Konica Minolta 4750, 4050 Service Manual

SERVICE MANUAL

Date: 2018/10/12

Table of Contents

Revision List...........................................................................................................................................1

Version 1.0...........................................................................................................................................................................1

Version 1.1...........................................................................................................................................................................2

Version 2.0...........................................................................................................................................................................5

Version 2.1...........................................................................................................................................................................8

Version 3.0...........................................................................................................................................................................9

Version 3.1.........................................................................................................................................................................10

Version 3.2.........................................................................................................................................................................11

Version 3.3.........................................................................................................................................................................12

Version 3.4.........................................................................................................................................................................13

Version 3.5.........................................................................................................................................................................14

Version 3.6.........................................................................................................................................................................15

Version 3.7.........................................................................................................................................................................16

A SAFETY AND IMPORTANT WARNING ITEMS............................................................................A-1

1. IMPORTANT NOTICE.................................................................................................................................................A-2

2. DESCRIPTION ITEMS FOR DANGER, WARNING AND CAUTION..........................................................................A-3

2.1 Description items in this Service Manual...................................................................................................................................A-3

2.2 Description items for safety and important warning items.........................................................................................................A-3

3. SAFETY WARNINGS..................................................................................................................................................A-4

3.1 MODIFICATIONS NOT AUTHORIZED BY KONICA MINOLTA, INC.......................................................................................A-4

3.1.1 Actions requiring special attention...................................................................................................................................A-4

3.2 POWER PLUG SELECTION

3.2.1 Power Cord Set or Power Plug.......................................................................................................................................A-5

3.3 CHECKPOINTS WHEN PERFORMING ON-SITE SERVICE...................................................................................................A-6

3.3.1 Power Supply..................................................................................................................................................................A-7

3.3.2 Installation Requirements..............................................................................................................................................A-11

3.3.3 After Service..................................................................................................................................................................A-13

3.4

FUSE.......................................................................................................................................................................................A-18

3.5 Used Batteries Precautions.....................................................................................................................................................A-19

3.5.1 ALL Areas......................................................................................................................................................................A-19

3.5.2 Germany........................................................................................................................................................................A-19

3.5.3 France...........................................................................................................................................................................A-19

3.5.4 Denmark........................................................................................................................................................................A-19

3.5.5 Finland, Sweden............................................................................................................................................................A-19

3.5.6 Norway..........................................................................................................................................................................A-19

3.6 Laser Safety............................................................................................................................................................................A-20

3.6.1 Laser Safety..................................................................................................................................................................A-20

3.6.2 Internal Laser Radiation................................................................................................................................................A-20

3.6.3 Laser Safety Label........................................................................................................................................................A-21

3.6.4 PRECAUTIONS FOR HANDLING THE LASER EQUIPMENT.....................................................................................A-22

4. WARNING INDICATIONS ON THE MACHINE.........................................................................................................A-23

4.1 Warning indications inside the machine..................................................................................................................................A-23

4.2 Warning indications on the boards..........................................................................................................................................A-24

5. MEASURES TO TAKE IN CASE OF AN ACCIDENT...............................................................................................A-25

.....................................................................................................................................................A-5

B NOTATION OF THE CONTENTS..................................................................................................B-1

1. NOTATION OF THE CONTENTS...............................................................................................................................B-1

1.1 Product name............................................................................................................................................................................B-1

1.2 Brand name...............................................................................................................................................................................B-1

1.3 Feeding direction.......................................................................................................................................................................B-1

C PRODUCT SPECIFICATIONS......................................................................................................C-1

1. bizhub 4750/4050........................................................................................................................................................C-1

1.1 Type..........................................................................................................................................................................................C-1

1.2 Functions...................................................................................................................................................................................C-1

Paper.........................................................................................................................................................................................C-1

1.3

1.4 Materials....................................................................................................................................................................................C-2

1.4.1 Conditions for defining the life value for the field standard yield.....................................................................................C-2

1.5 Print volume..............................................................................................................................................................................C-2

1.6 Machine specifications..............................................................................................................................................................C-2

1.7 Operating environment..............................................................................................................................................................C-3

1.8 Print functions............................................................................................................................................................................C-3

1.9 Scan Functions..........................................................................................................................................................................C-3

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2. PF-P11/PF-P12...........................................................................................................................................................C-5

2.1 Type..........................................................................................................................................................................................C-5

2.2 Media type.................................................................................................................................................................................C-5

2.3 Machine specifications..............................................................................................................................................................C-5

2.4 Operating environment..............................................................................................................................................................C-5

3. FS-P02........................................................................................................................................................................C-6

3.1 Type..........................................................................................................................................................................................C-6

3.2 Paper specifications..................................................................................................................................................................C-6

3.3 Machine specifications..............................................................................................................................................................C-6

3.4 Operating environment..............................................................................................................................................................C-6

4. FK-512........................................................................................................................................................................C-7

5. i-Option (LK-101 v3/106/107/108/111).......................................................................................................................C-8

5.1 Available function for i-Option...................................................................................................................................................C-8

5.1.1 List of advanced functions...............................................................................................................................................C-8

5.1.2 Activation procedures of i-Option....................................................................................................................................C-8

5.2 Web browser function................................................................................................................................................................C-8

D OVERALL COMPOSITION............................................................................................................D-1

1. SYSTEM CONFIGURATION......................................................................................................................................D-1

2. SECTION CONFIGURATION.....................................................................................................................................D-2

3. PAPER PATH.............................................................................................................................................................D-3

3.1 ADF Section..............................................................................................................................................................................D-3

3.2 Printer Section...........................................................................................................................................................................D-3

4. CONTROL BLOCK DIAGRAM....................................................................................................................................D-4

5. IMAGE CREATION PROCESS..................................................................................................................................D-5

E SERVICE TOOL.............................................................................................................................E-1

1. bizhub 4750/4050........................................................................................................................................................E-1

1.1 Service material list...................................................................................................................................................................E-1

1.2 CE tool list.................................................................................................................................................................................E-1

1.3 Utility tool...................................................................................................................................................................................E-1

1.3.1 IC card information setting tool of OMNIKEY 5427CK (AU-205H)..................................................................................E-1

F PERIODICAL MAINTENANCE.......................................................................................................F-1

1. Inspection guide..........................................................................................................................................................F-1

2. Scheduled maintenance..............................................................................................................................................F-2

2.1 Maintenance kit..........................................................................................................................................................................F-2

2.2 Resetting the maintenance counter...........................................................................................................................................F-2

3. Periodical maintenance procedure bizhub 4750/4050................................................................................................F-3

3.1 Fuser..........................................................................................................................................................................................F-3

3.1.1 Fuser removal..................................................................................................................................................................F-3

3.2 Redrive assembly......................................................................................................................................................................F-3

3.2.1 Redrive assembly removal..............................................................................................................................................F-3

3.3 ACM pick tire.............................................................................................................................................................................F-4

3.3.1 ACM pick tire removal.....................................................................................................................................................F-4

3.4 Transfer roll................................................................................................................................................................................F-4

3.4.1 Transfer roll removal........................................................................................................................................................F-4

3.5 Separator roll assembly removal...............................................................................................................................................F-5

3.6 MPF pick roll and separator pad................................................................................................................................................F-7

3.6.1 MPF pick roller removall..................................................................................................................................................F-7

3.6.2 Separator pad removal....................................................................................................................................................F-8

G DISASSEMBLING/REASSEMBLING............................................................................................G-1

1. Removal precautions..................................................................................................................................................G-1

1.1 Data security notice...................................................................................................................................................................G-1

1.2 Handling ESD-sensitive parts...................................................................................................................................................G-1

1.3 Lithium battery...........................................................................................................................................................................G-1

1.4 Ribbon cable connectors...........................................................................................................................................................G-1

1.4.1 Zero Insertion Force (ZIF) connectors............................................................................................................................G-1

1.4.2 Low Insertion Force (LIF) connector...............................................................................................................................G-9

1.5 Printhead unit adjustments......................................................................................................................................................G-10

1.5.1 Printhead unit mechanical adjustment..........................................................................................................................G-10

1.5.2 Printhead unit electronic adjustment.............................................................................................................................G-11

2. Removal procedures.................................................................................................................................................G-13

3. Left side removals.....................................................................................................................................................G-14

3.1 Left cover removal...................................................................................................................................................................G-14

3.2 Main drive gearbox removal....................................................................................................................................................G-15

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3.3 MPF gearbox removal.............................................................................................................................................................G-16

3.4 Reverse solenoid removal.......................................................................................................................................................G-19

3.5 Cartridge gearbox removal......................................................................................................................................................G-19

3.6 Duplex gear assembly removal...............................................................................................................................................G-20

4. Right side removals..................................................................................................................................................G-22

4.1 Right cover removal................................................................................................................................................................G-22

4.2 Memory access cover removal...............................................................................................................................................G-23

4.3 Tray present sensor removal..................................................................................................................................................G-24

4.4 Cooling fan removal................................................................................................................................................................G-24

4.5 Hard disk removal...................................................................................................................................................................G-25

4.6 FAX board assy removal.........................................................................................................................................................G-26

4.7 Controller board shield removal..............................................................................................................................................G-28

4.8 Controller board removal.........................................................................................................................................................G-30

4.9 Toner cartridge smart chip contact removal............................................................................................................................G-33

5. Front removals..........................................................................................................................................................G-36

5.1 Left front mount removal.........................................................................................................................................................G-36

5.2 Right front mount removal.......................................................................................................................................................G-36

5.3 Cartridge plunger removal.......................................................................................................................................................G-37

5.4 Name plate cover removal......................................................................................................................................................G-39

5.5 Front bin cover removal..........................................................................................................................................................G-40

5.6 Control panel assembly removal.............................................................................................................................................G-41

5.7 USB cable bracket removal.....................................................................................................................................................G-42

5.8 Speaker removal.....................................................................................................................................................................G-43

5.9 Control panel cover removal...................................................................................................................................................G-44

5.10 MPF tray removal..................................................................................................................................................................G-44

5.11 MPF pick roller cover removal...............................................................................................................................................G-46

5.12 Bail removal..........................................................................................................................................................................G-47

5.13 Jam access cover removal....................................................................................................................................................G-47

5.14 Front access cover removal

5.15 Front door sensor removal....................................................................................................................................................G-49

5.16 Front input guide removal.....................................................................................................................................................G-49

..................................................................................................................................................G-47

6. Bottom removals.......................................................................................................................................................G-52

6.1 Power supply removal.............................................................................................................................................................G-52

6.2 Power supply shield removal..................................................................................................................................................G-52

6.3 Duplex removal.......................................................................................................................................................................G-53

6.4 Duplex sensor and input sensor removal................................................................................................................................G-54

6.5 Index sensor removal..............................................................................................................................................................G-55

6.6 Media present sensor removal................................................................................................................................................G-56

6.7 Toner density sensor removal.................................................................................................................................................G-57

6.8 Trailing edge sensor removal..................................................................................................................................................G-57

6.9 Media present flag removal.....................................................................................................................................................G-58

6.10 ACM assembly removal......................................................................................................................................................G-62

6.11 Pick/lift motor gearbox removal.............................................................................................................................................G-62

6.12 Tray guide removal...............................................................................................................................................................G-63

7. Rear side removals...................................................................................................................................................G-65

7.1 Rear exit door removal............................................................................................................................................................G-65

7.2 Rear cover removal.................................................................................................................................................................G-65

7.3 Stapler cable removal.............................................................................................................................................................G-66

7.4 Diverter spring removal...........................................................................................................................................................G-67

7.5 Diverter cover removal............................................................................................................................................................G-68

8. Top side removals.....................................................................................................................................................G-69

8.1 Top cover removal..................................................................................................................................................................G-69

8.2 Printhead unit removal............................................................................................................................................................G-69

8.3 Bin full sensor/lens removal....................................................................................................................................................G-70

8.4 Bin full sensor cable removal..................................................................................................................................................G-72

9. ADF/scanner removals.............................................................................................................................................G-74

9.1 ADF separator roll removal.....................................................................................................................................................G-74

9.2 Flatbed cushion removal.........................................................................................................................................................G-74

9.3 Scanner front cover removal...................................................................................................................................................G-75

9.4 ADF input tray removal...........................................................................................................................................................G-76

9.5 ADF unit removal....................................................................................................................................................................G-76

9.6 Scanner assembly removal.....................................................................................................................................................G-78

9.7 ADF top cover assembly.........................................................................................................................................................G-80

9.8 ADF cable removal..................................................................................................................................................................G-81

9.9 USB cable removal.................................................................................................................................................................G-82

9.10 USB wireless cable removal.................................................................................................................................................G-83

9.11 ADF hinge removal...............................................................................................................................................................G-84

9.12 Flatbed assembly removal....................................................................................................................................................G-84

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9.13 Control panel ribbon cable removal......................................................................................................................................G-84

9.14 Speaker cable removal.........................................................................................................................................................G-84

9.15 Restraint pad removal...........................................................................................................................................................G-86

10. 250/550-sheet option tray removals........................................................................................................................G-87

10.1 Pick roller removal.................................................................................................................................................................G-87

10.2 Separator roll assembly removal...........................................................................................................................................G-87

10.3 ACM assembly removal........................................................................................................................................................G-88

11. Staple finisher option removals...............................................................................................................................G-92

11.1 Staple finisher option removal...............................................................................................................................................G-92

11.2 Stapler cartridge access door removal..................................................................................................................................G-92

11.3 Staple roll holder removal.....................................................................................................................................................G-93

11.4 Stapler right cover removal...................................................................................................................................................G-94

11.5 Stapler left cover removal.....................................................................................................................................................G-94

11.6 Stapler rear door removal.....................................................................................................................................................G-95

11.7 Sensor (stapler access door) removal..................................................................................................................................G-96

11.8 Stapler carriage assembly removal.......................................................................................................................................G-96

11.9 Stapler door close limit switch removal.................................................................................................................................G-97

11.10 Stapler paddle motor removal.............................................................................................................................................G-98

11.11 Stapler rear cover removal..................................................................................................................................................G-99

11.12 Sensor (stapler rear cover) removal....................................................................................................................................G-99

11.13 Trapped staple access door removal................................................................................................................................G-100

11.14 Stapler service cover removal...........................................................................................................................................G-101

11.15 Stapler controller board removal.......................................................................................................................................G-101

11.16 Stapler left tamper motor removal.....................................................................................................................................G-101

11.17 Stapler right tamper motor removal...................................................................................................................................G-102

11.18 Stapler rear cover close limit switch removal....................................................................................................................G-102

11.19 Stapler cooling fan removal...............................................................................................................................................G-103

11.20 Stapler power supply unit removal....................................................................................................................................G-104

11.21 Stapler interface cable removal.........................................................................................................................................G-105

11.22 Stapler top cover removal.................................................................................................................................................G-107

11.23 Sensor (stapler bin full receive) removal...........................................................................................................................G-109

11.24 Sensor (stapler bin full send) removal...............................................................................................................................G-111

11.25 Sensor (stapler pass through) removal.............................................................................................................................G-113

11.26 Tamper main assembly removal.......................................................................................................................................G-115

11.27 Tamper sub-assembly removal.........................................................................................................................................G-115

11.28 Tamper drive belt removal................................................................................................................................................G-116

11.29 Diverter gearbox removal..................................................................................................................................................G-117

11.30 Stapler accumulator assembly removal............................................................................................................................G-118

11.31 Sensor (stapler right tamper HP) removal.........................................................................................................................G-119

11.32 Sensor (stapler left tamper HP) removal...........................................................................................................................G-119

11.33 Sensor (stapler paddle HP) removal.................................................................................................................................G-120

H CLEANING/LUBRICATION...........................................................................................................H-1

1. Lubrication specification..............................................................................................................................................H-1

2. Cleaning the printer.....................................................................................................................................................H-2

3. Cleaning the scanner glass.........................................................................................................................................H-3

I ADJUSTMENT/SETTING.................................................................................................................I-1

1. HOW TO USE THE ADJUSTMENT SECTION............................................................................................................I-1

1.1 Advance checks..........................................................................................................................................................................I-1

2. Utility.............................................................................................................................................................................I-2

2.1 List of utility mode.......................................................................................................................................................................I-2

List of utility mode - outline.........................................................................................................................................................I-2

2.1.1 Accessibility......................................................................................................................................................................I-2

2.1.2 One-Touch/User Box Registration....................................................................................................................................I-2

2.1.3 User Settings....................................................................................................................................................................I-2

2.1.4 Administrator Settings - System Settings.........................................................................................................................I-4

2.1.5 Administrator Settings - Administrator/Machine Settings..................................................................................................I-5

2.1.6 Administrator Settings - Address Registration List...........................................................................................................I-5

2.1.7 Administrator Settings - User Authentication/Account Track............................................................................................I-6

2.1.8 Administrator Settings - Network Settings........................................................................................................................I-6

2.1.9 Administrator Settings - Copier Settings...........................................................................................................................I-8

2.1.10 Administrator Settings - Printer Settings.........................................................................................................................I-8

2.1.11 Administrator Settings - Fax Settings.............................................................................................................................I-9

2.1.12 Administrator Settings - System Connection................................................................................................................I-10

2.1.13 Administrator Settings - Security Settings....................................................................................................................I-10

2.1.14 Administrator Settings - Paper Empty Alert Display Setting.........................................................................................I-11

2.1.15 Administrator Settings - License Management.............................................................................................................I-11

2.1.16 Administrator Settings - OpenAPI Certification Management Setting...........................................................................I-11

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2.1.17 Administrator Settings - External Memory Backup.......................................................................................................I-11

2.1.18 Administrator Settings - Delete Authenticated Documents...........................................................................................I-12

2.1.19 Check Consumable Life................................................................................................................................................I-12

2.2 Starting/Exiting..........................................................................................................................................................................I-12

2.2.1 Starting procedure..........................................................................................................................................................I-12

2.2.2 Exiting procedure............................................................................................................................................................I-12

2.3 Restore Defaults.......................................................................................................................................................................I-12

Restore Defaults - outline.........................................................................................................................................................I-12

2.3.1 Accessibility....................................................................................................................................................................I-12

2.3.2 One-Touch/User Box Registration..................................................................................................................................I-13

2.3.3 User Settings..................................................................................................................................................................I-13

2.3.4 Administrator Settings - System Settings.......................................................................................................................I-15

2.3.5 Administrator Settings - Administrator/Machine Settings................................................................................................I-18

2.3.6 Administrator Settings - Address Registration List.........................................................................................................I-18

2.3.7 Administrator Settings - User Authentication/Account Track..........................................................................................I-19

2.3.8 Administrator Settings - Network Settings......................................................................................................................I-19

2.3.9 Administrator Settings - Copier Settings.........................................................................................................................I-21

2.3.10 Administrator Settings - Printer Settings.......................................................................................................................I-21

2.3.11 Administrator Settings - Fax Settings...........................................................................................................................I-22

2.3.12 Administrator Settings - System Connection................................................................................................................I-23

2.3.13 Administrator Settings - Security Settings....................................................................................................................I-24

2.3.14 Administrator Settings - Paper Empty Alert Display Setting.........................................................................................I-25

2.3.15 Administrator Settings - License Management.............................................................................................................I-25

2.3.16 Administrator Settings - OpenAPI Certification Management Setting...........................................................................I-25

2.3.17 Administrator Settings - External Memory Backup.......................................................................................................I-25

2.3.18 Administrator Settings - Delete Authenticated Documents...........................................................................................I-25

2.3.19 Check Consumable Life................................................................................................................................................I-25

3. LIST OF SERVICE MODE..........................................................................................................................................I-26

3.1 List of service mode (outline)....................................................................................................................................................I-26

3.2 List of service mode (detail)......................................................................................................................................................I-27

3.2.1 Machine..........................................................................................................................................................................I-27

3.2.2 Imaging Process Adjustment..........................................................................................................................................I-28

3.2.3 CS Remote Care............................................................................................................................................................I-29

3.2.4 System 1.........................................................................................................................................................................I-31

3.2.5 System 2.........................................................................................................................................................................I-31

3.2.6 Counter...........................................................................................................................................................................I-32

3.2.7 List Output......................................................................................................................................................................I-33

3.2.8 State Confirmation..........................................................................................................................................................I-34

3.2.9 Test Mode.......................................................................................................................................................................I-35

3.2.10 ADF Adjustment............................................................................................................................................................I-36

3.2.11 Fax Settings..................................................................................................................................................................I-36

3.2.12 Firmware Update..........................................................................................................................................................I-39

3.2.13 Internet ISW Settings....................................................................................................................................................I-39

4. SERVICE MODE........................................................................................................................................................I-41

4.1 Starting/Exiting..........................................................................................................................................................................I-41

4.1.1 Starting procedure..........................................................................................................................................................I-41

4.1.2 Exiting procedure............................................................................................................................................................I-42

4.1.3 Procedure for releasing access lock...............................................................................................................................I-42

4.2 Machine....................................................................................................................................................................................I-42

4.2.1 Printer Adjustment..........................................................................................................................................................I-42

4.2.2 Scanner Area..................................................................................................................................................................I-48

4.3 Firmware Version......................................................................................................................................................................I-50

4.3.1 Use.................................................................................................................................................................................I-50

4.3.2 Procedure.......................................................................................................................................................................I-50

4.4 Imaging Process Adjustment....................................................................................................................................................I-50

4.4.1 Fusing Temperature.......................................................................................................................................................I-50

4.4.2 Transfer Voltage Fine Adj...............................................................................................................................................I-51

4.4.3 Thick Paper/1200dpi.......................................................................................................................................................I-51

4.4.4 Engine Density Adjustment.............................................................................................................................................I-51

4.4.5 Monochrome Density Adj................................................................................................................................................I-51

4.4.6 Paper separation adjustment..........................................................................................................................................I-52

4.4.7 Grad/Dev AC Bias V Selection.......................................................................................................................................I-52

4.5 CS Remote Care (Outlines)......................................................................................................................................................I-52

4.6 Setting up the CS Remote Care...............................................................................................................................................I-53

4.6.1 Using the telephone line modem....................................................................................................................................I-53

4.6.2 Using the Fax line modem..............................................................................................................................................I-54

4.6.3 Using E-mail...................................................................................................................................................................I-55

4.6.4 When using a WebDAV server in http communication...................................................................................................I-56

4.7 Calling the maintenance...........................................................................................................................................................I-58

4.7.1 When starting the maintenance......................................................................................................................................I-58

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4.7.2 When finishing the maintenance.....................................................................................................................................I-58

4.8 Calling the center from the administrator..................................................................................................................................I-58

4.9 Checking the transmission log..................................................................................................................................................I-58

4.10 Detail on settings for CS Remote Care...................................................................................................................................I-58

4.10.1 Maintenance/Default Settings - System Selection........................................................................................................I-58

4.10.2 Maintenance/Default Settings - ID Code......................................................................................................................I-59

4.10.3 Maintenance/Default Settings - Initial Transmission.....................................................................................................I-59

4.10.4 Detail Settings - Basic Settings.....................................................................................................................................I-59

4.10.5 Detail Settings - Date & Time Setting...........................................................................................................................I-60

4.10.6 Detail Settings - RAM Clear..........................................................................................................................................I-61

4.10.7 Detail Settings - Communication Log Print...................................................................................................................I-61

4.10.8 Detail Settings - Response Timeout.............................................................................................................................I-61

4.10.9 Detail Settings - Notification Setting.............................................................................................................................I-61

4.10.10 Server Settings - Email Settings.................................................................................................................................I-62

4.10.11 Server Settings - HTTP Settings.................................................................................................................................I-64

4.10.12 Server Settings - Data Initialize..................................................................................................................................I-65

4.10.13 Software Switch Setting..............................................................................................................................................I-65

4.11 System 1.................................................................................................................................................................................I-66

4.11.1 Marketing area..............................................................................................................................................................I-66

4.11.2 Tel/Fax Number............................................................................................................................................................I-66

4.11.3 Serial Number Display..................................................................................................................................................I-67

4.11.4 Sleep ON/OFF Choice Setting......................................................................................................................................I-67

4.11.5 Install Date....................................................................................................................................................................I-67

4.11.6 Machine State LED Setting...........................................................................................................................................I-67

4.11.7 TP Level........................................................................................................................................................................I-67

4.11.8 Initialize - Server Cache Data.......................................................................................................................................I-68

4.12 System 2.................................................................................................................................................................................I-68

4.12.1 Unit Change..................................................................................................................................................................I-68

4.12.2 Warning Detection........................................................................................................................................................I-69

4.12.3 Software Switch Setting................................................................................................................................................I-69

4.12.4 Network Fax Settings - Internet Fax.............................................................................................................................I-78

4.12.5 Coverage Rate Confirmation Screen............................................................................................................................I-79

4.12.6 Change Application Settings.........................................................................................................................................I-79

4.12.7 Eco counter settings.....................................................................................................................................................I-79

4.12.8 Internal Error. Auto Cancel...........................................................................................................................................I-79

4.13 Counter...................................................................................................................................................................................I-80

4.13.1 Life - New Release.......................................................................................................................................................I-80

4.13.2 Service Call...................................................................................................................................................................I-80

4.13.3 Section Service Call......................................................................................................................................................I-80

4.13.4 Warning........................................................................................................................................................................I-81

4.13.5 Service Total.................................................................................................................................................................I-81

4.13.6 Counter of Each Mode..................................................................................................................................................I-81

4.13.7 Service Call History......................................................................................................................................................I-81

4.13.8 ADF Paper Feed Count................................................................................................................................................I-81

4.13.9 Paper Jam History........................................................................................................................................................I-81

4.13.10 Fax Connection Error..................................................................................................................................................I-81

4.13.11 Jam.............................................................................................................................................................................I-82

4.13.12 Section Jam................................................................................................................................................................I-82

4.13.13 Non Genuine Toner....................................................................................................................................................I-82

4.13.14 Detail Code History.....................................................................................................................................................I-82

4.14 List Output...............................................................................................................................................................................I-83

4.14.1 Management List..........................................................................................................................................................I-83

4.14.2 Adjustments List...........................................................................................................................................................I-83

4.14.3 Parameter List..............................................................................................................................................................I-83

4.14.4 Service Parameter........................................................................................................................................................I-84

4.14.5 Protocol Trace..............................................................................................................................................................I-84

4.14.6 Fax Analysis List...........................................................................................................................................................I-84

4.14.7 Halftone 64...................................................................................................................................................................I-84

4.14.8 Halftone 128.................................................................................................................................................................I-84

4.14.9 Halftone 256.................................................................................................................................................................I-84

4.14.10 Gradation....................................................................................................................................................................I-85

4.15 State Confirmation..................................................................................................................................................................I-85

4.15.1 Sensor Check...............................................................................................................................................................I-85

4.15.2 Paper Passage Test.....................................................................................................................................................I-91

4.15.3 Memory/HDD State.......................................................................................................................................................I-91

4.15.4 Load Check...................................................................................................................................................................I-92

4.15.5 Component Check........................................................................................................................................................I-92

4.16 Test Mode...............................................................................................................................................................................I-92

4.16.1 Fax Test-Signal Send Test...........................................................................................................................................I-92

4.16.2 Fax Test-Signal Receive Test.......................................................................................................................................I-93

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4.16.3 Fax Test-NCU TEST.....................................................................................................................................................I-94

4.16.4 Fax Test - Dial Test......................................................................................................................................................I-94

4.17 ADF Adjustment......................................................................................................................................................................I-95

4.17.1 Original Stop Position - Sub Scanning Direction 1-Side...............................................................................................I-95

4.17.2 Original Stop Position - Sub Scanning Direction 2-Side...............................................................................................I-96

4.17.3 Original Stop Position - Main Scanning Direction 1-side..............................................................................................I-96

4.17.4 Original Stop Position - Main Scanning Direction 2-side..............................................................................................I-97

4.17.5 Feed Zoom...................................................................................................................................................................I-97

4.17.6 FD-Mag. Adj. (B)...........................................................................................................................................................I-98

4.17.7 Main Scanning Direction Zoom.....................................................................................................................................I-98

4.17.8 Main Scanning Direction Zoom(B)................................................................................................................................I-98

4.18 FAX Setting.............................................................................................................................................................................I-99

4.18.1 Modem/NCU...............................................................................................................................................................I-100

4.18.2 Network.......................................................................................................................................................................I-103

4.18.3 System........................................................................................................................................................................I-105

4.18.4 Fax File Format...........................................................................................................................................................I-107

4.18.5 Communication...........................................................................................................................................................I-107

4.18.6 List Output..................................................................................................................................................................I-111

4.18.7 Function Parameter....................................................................................................................................................I-112

4.18.8 Initialization.................................................................................................................................................................I-112

4.18.9 Line Standard Setting.................................................................................................................................................I-112

4.19 FAX setting (Address parameter list)....................................................................................................................................I-113

4.19.1 0b00##........................................................................................................................................................................I-113

4.19.2 0e000#........................................................................................................................................................................I-114

4.19.3 0e001#........................................................................................................................................................................I-117

4.19.4 0e002#........................................................................................................................................................................I-119

4.19.5 0e003#........................................................................................................................................................................I-119

4.19.6 0e004#........................................................................................................................................................................I-119

4.19.7 0e005#........................................................................................................................................................................I-121

4.19.8 0e009#........................................................................................................................................................................I-123

4.19.9 0e00a#........................................................................................................................................................................I-126

4.19.10 0e00b#......................................................................................................................................................................I-128

4.19.11 0e00c#......................................................................................................................................................................I-131

4.19.12 0e00d#......................................................................................................................................................................I-134

4.19.13 0e00e#......................................................................................................................................................................I-137

4.19.14 0e00f#.......................................................................................................................................................................I-139

4.19.15 0e010#......................................................................................................................................................................I-142

4.19.16 0e011#......................................................................................................................................................................I-143

4.19.17 0e012#......................................................................................................................................................................I-144

4.19.18 0f000#.......................................................................................................................................................................I-145

4.19.19 0f001#.......................................................................................................................................................................I-147

4.19.20 10000#......................................................................................................................................................................I-148

4.19.21 10001#......................................................................................................................................................................I-150

4.19.22 12000#......................................................................................................................................................................I-151

4.19.23 13000#, 13001#, 13002#, 13003#, 13004#, 13005#, 13006#..................................................................................I-154

4.19.24 13007#, 13008#, 13009#, 1300a#, 1300b#..............................................................................................................I-155

4.20 2nd network card settings.....................................................................................................................................................I-158

4.20.1 Use.............................................................................................................................................................................I-158

4.20.2 Default setting.............................................................................................................................................................I-158

4.20.3 Setting item.................................................................................................................................................................I-158

4.21 Firmware Update..................................................................................................................................................................I-158

4.21.1 Check Settings............................................................................................................................................................I-158

4.21.2 Execute.......................................................................................................................................................................I-159

4.22 Loadable Drive Information...................................................................................................................................................I-159

4.22.1 Use.............................................................................................................................................................................I-159

4.22.2 Procedure...................................................................................................................................................................I-159

4.23 Loadable Driver Download....................................................................................................................................................I-159

4.23.1 Use.............................................................................................................................................................................I-159

4.23.2 Required systems.......................................................................................................................................................I-159

4.23.3 Authentication units (Loadable driver)........................................................................................................................I-159

4.23.4 Writing data to USB memory device...........................................................................................................................I-160

4.23.5 Procedure...................................................................................................................................................................I-160

4.24 Internet ISW Settings............................................................................................................................................................I-160

4.24.1 Enable Settings...........................................................................................................................................................I-160

4.24.2 HTTP Server Settings.................................................................................................................................................I-161

4.24.3 Forwarding Access Setting.........................................................................................................................................I-161

4.24.4 Download....................................................................................................................................................................I-162

4.25 External Memory Backup......................................................................................................................................................I-162

4.25.1 Import..........................................................................................................................................................................I-162

4.25.2 Export.........................................................................................................................................................................I-163

vii

4.25.3 Possible Backup Setting Item.....................................................................................................................................I-165

4.26 Verify Firmware.....................................................................................................................................................................I-170

4.26.1 Use.............................................................................................................................................................................I-170

4.26.2 Procedure...................................................................................................................................................................I-170

4.27 BootUp Screen......................................................................................................................................................................I-170

4.27.1 Use.............................................................................................................................................................................I-171

4.27.2 Procedure...................................................................................................................................................................I-171

5. Security Service Mode..............................................................................................................................................I-172

5.1 List of Security Service Mode.................................................................................................................................................I-172

5.2 Starting/Exiting........................................................................................................................................................................I-172

Starting procedure..................................................................................................................................................................I-172

Exiting procedure....................................................................................................................................................................I-172

5.3 Billing Setting..........................................................................................................................................................................I-172

5.3.1 Counter Setting.............................................................................................................................................................I-172

5.3.2 OpenAPI Certification Management Setting – Restriction Code Settings....................................................................I-173

5.3.3 License Management - Activation.................................................................................................................................I-173

5.3.4 License Management - Deactivation............................................................................................................................I-176

5.3.5 License Management - Repair......................................................................................................................................I-179

5.3.6 License Management - Initialize...................................................................................................................................I-182

5.3.7 License Management - Get Request Code..................................................................................................................I-183

5.3.8 License Management - List...........................................................................................................................................I-183

5.3.9 License Management - List of Enabled Functions........................................................................................................I-183

5.3.10 License Management - List Output.............................................................................................................................I-183

5.3.11 Management Function - Management Function Choice.............................................................................................I-183

5.3.12 Management Function - Message..............................................................................................................................I-183

5.4 Administrator Password..........................................................................................................................................................I-184

5.4.1 Use...............................................................................................................................................................................I-184

5.4.2 Default setting...............................................................................................................................................................I-184

5.4.3 Procedure.....................................................................................................................................................................I-184

5.5 CE Password..........................................................................................................................................................................I-184

5.5.1 Use...............................................................................................................................................................................I-184

5.5.2 Default setting...............................................................................................................................................................I-184

5.5.3 Procedure.....................................................................................................................................................................I-184

5.6 Life Stop..................................................................................................................................................................................I-184

5.6.1 Use...............................................................................................................................................................................I-184

5.6.2 Default setting...............................................................................................................................................................I-184

5.6.3 Setting item...................................................................................................................................................................I-184

5.7 Engine Data Backup...............................................................................................................................................................I-184

5.7.1 Use...............................................................................................................................................................................I-184

5.7.2 Procedure.....................................................................................................................................................................I-184

5.8 Administrator unlocking...........................................................................................................................................................I-185

5.8.1 Use...............................................................................................................................................................................I-185

5.8.2 Procedure.....................................................................................................................................................................I-185

6. Extra Service Mode..................................................................................................................................................I-186

6.1 List of Extra Service Mode......................................................................................................................................................I-186

6.2 Starting/Exiting........................................................................................................................................................................I-186

6.2.1 Starting procedure........................................................................................................................................................I-186

6.2.2 Exiting procedure..........................................................................................................................................................I-186

7. Control Panel Calibration..........................................................................................................................................I-187

7.1 Use..........................................................................................................................................................................................I-187

7.2 Procedure...............................................................................................................................................................................I-187

8. FAX PROTOCOLS...................................................................................................................................................I-188

8.1 G3 ECM (G3 Error Correction Mode).....................................................................................................................................I-188

8.2 Line control.............................................................................................................................................................................I-188

8.2.1 Procedure of G3 mode communication........................................................................................................................I-188

8.3 Table of reference code..........................................................................................................................................................I-189

8.4 How to analyze the T30 protocol monitor...............................................................................................................................I-190

J REWRITING OF FIRMWARE.........................................................................................................J-1

1. Checking the current firmware version........................................................................................................................J-1

2. Firmware upgrading procedure by USB memory device.............................................................................................J-2

2.1 Preparations for firmware upgrading..........................................................................................................................................J-2

2.1.1 System requirements.......................................................................................................................................................J-2

2.1.2 Saving the firmware data into the USB memory device...................................................................................................J-2

2.2 How to write controller firmware data.........................................................................................................................................J-2

2.3 How to write other firmware data...............................................................................................................................................J-5

3. Internet ISW.................................................................................................................................................................J-7

3.1 Preparations for firmware rewriting............................................................................................................................................J-7

3.1.1 Outline..............................................................................................................................................................................J-7

viii

3.1.2 Service environment........................................................................................................................................................J-7

3.1.3 Preparations for firmware rewriting..................................................................................................................................J-7

3.2 Preparing the firmware data.......................................................................................................................................................J-8

3.2.1 Outline..............................................................................................................................................................................J-8

3.2.2 Procedure........................................................................................................................................................................J-8

3.3 Firmware rewriting from the control panel..................................................................................................................................J-8

3.3.1 Firmware rewriting from the control panel........................................................................................................................J-8

4. CS Remote Care........................................................................................................................................................J-10

4.1 Firmware rewriting from the CS Remote Care.........................................................................................................................J-10

5. How to reinstall the i-Option data...............................................................................................................................J-11

5.1 Available function for i-Option..................................................................................................................................................J-11

5.2 LK-107/LK-108 font data reinstallation procedure....................................................................................................................J-11

5.2.1 When the font data is ***.pdf format file.........................................................................................................................J-11

K TROUBLESHOOTING...................................................................................................................K-1

1. JAM DISPLAY.............................................................................................................................................................K-1

1.1 JAM display...............................................................................................................................................................................K-1

1.2 List of JAM display.....................................................................................................................................................................K-1

1.2.1 JAM display resetting procedure.....................................................................................................................................K-1

1.3 Sensor layout.............................................................................................................................................................................K-1

1.3.1 Main Unit.........................................................................................................................................................................K-1

1.3.2 ADF.................................................................................................................................................................................K-2

1.4 Solution......................................................................................................................................................................................K-3

1.4.1 Initial check items............................................................................................................................................................K-3

1.4.2 Misfeed at manual bypass feed section..........................................................................................................................K-3

1.4.3 Misfeed at tray 1 feed section.........................................................................................................................................K-4

1.4.4 Misfeed at tray 2 feed section.........................................................................................................................................K-5

1.4.5 Misfeed at tray 3 feed section.........................................................................................................................................K-6

1.4.6 Misfeed at tray 4 feed section.........................................................................................................................................K-8

1.4.7 Misfeed at image transfer section...................................................................................................................................K-9

1.4.8 Misfeed at exit section...................................................................................................................................................K-12

1.4.9 Misfeed at ADF section.................................................................................................................................................K-13

1.4.10 Misfeed at finisher section...........................................................................................................................................K-15

1.4.11 Misfeed at staple finisher section................................................................................................................................K-18

1.4.12 Misfeed at duplex pre-registration section...................................................................................................................K-21

2. PROCESS CAUTION INFROMATION.....................................................................................................................K-22

2.1 Display procedure....................................................................................................................................................................K-22

2.2 List...........................................................................................................................................................................................K-22

2.3 Solution....................................................................................................................................................................................K-22

2.3.1 LD error.........................................................................................................................................................................K-22

2.3.2 IDC sensor error............................................................................................................................................................K-22

2.3.3 K IU error.......................................................................................................................................................................K-22

2.3.4 CCD clamp gain error....................................................................................................................................................K-23

3. TROUBLE CODE......................................................................................................................................................K-24

3.1 Trouble code (Service Call).....................................................................................................................................................K-24

3.2 Trouble resetting procedure....................................................................................................................................................K-24

3.2.1 Trouble resetting procedure by Trouble Reset key.......................................................................................................K-24

3.2.2 Trouble resetting procedure by the auto cancel function..............................................................................................K-24

3.2.3 Trouble resetting procedure by remote operation.........................................................................................................K-25

3.3 List of the trouble code............................................................................................................................................................K-25

3.4 Solution....................................................................................................................................................................................K-27

3.4.1 0202..............................................................................................................................................................................K-27

3.4.2 0204..............................................................................................................................................................................K-28

3.4.3 0206..............................................................................................................................................................................K-30

3.4.4 0208..............................................................................................................................................................................K-32

3.4.5 1109..............................................................................................................................................................................K-33

3.4.6 2201..............................................................................................................................................................................K-34

3.4.7 2350..............................................................................................................................................................................K-34

3.4.8 2564..............................................................................................................................................................................K-35

3.4.9 2A94..............................................................................................................................................................................K-35

3.4.10 3423............................................................................................................................................................................K-36

3.4.11 4091............................................................................................................................................................................K-37

3.4.12 4501............................................................................................................................................................................K-37

3.4.13 4901............................................................................................................................................................................K-38

3.4.14 5102............................................................................................................................................................................K-38

3.4.15 5501............................................................................................................................................................................K-39

3.4.16 5601............................................................................................................................................................................K-39

3.4.17 6751............................................................................................................................................................................K-40

3.4.18 679#............................................................................................................................................................................K-41

ix

3.4.19 7A00............................................................................................................................................................................K-41

3.4.20 9401............................................................................................................................................................................K-42

3.4.21 C151............................................................................................................................................................................K-42

3.4.22 C164............................................................................................................................................................................K-42

3.4.23 C180............................................................................................................................................................................K-43

3.4.24 D004............................................................................................................................................................................K-43

3.4.25 D091............................................................................................................................................................................K-43

3.4.26 D092............................................................................................................................................................................K-44

3.4.27 D093............................................................................................................................................................................K-44

3.4.28 D094............................................................................................................................................................................K-44

3.4.29 D095............................................................................................................................................................................K-44

3.4.30 D096............................................................................................................................................................................K-45

3.4.31 D097............................................................................................................................................................................K-45

3.4.32 D110............................................................................................................................................................................K-45

3.4.33 D262............................................................................................................................................................................K-46

3.4.34 D2B0...........................................................................................................................................................................K-46

3.4.35 D3F1............................................................................................................................................................................K-46

3.4.36 D3F2............................................................................................................................................................................K-46

3.4.37 D3F4............................................................................................................................................................................K-47

3.4.38 D3F5............................................................................................................................................................................K-47

3.4.39 D501............................................................................................................................................................................K-47

3.4.40 E101............................................................................................................................................................................K-48

3.4.41 E30#............................................................................................................................................................................K-48

4. ABORT CODE...........................................................................................................................................................K-49

4.1 Troubleshooting of the abort code...........................................................................................................................................K-49

4.1.1 Contents........................................................................................................................................................................K-49

4.1.2 Procedure......................................................................................................................................................................K-49

4.2 F00#........................................................................................................................................................................................K-49

4.3 FB0#........................................................................................................................................................................................K-49

4.4 FB1#........................................................................................................................................................................................K-50

5. FAX TROUBLE CODE..............................................................................................................................................K-51

5.1 The error in the transmission/reception system.......................................................................................................................K-51

5.2 B0##........................................................................................................................................................................................K-51

5.3 B11#........................................................................................................................................................................................K-51

5.4 B12#........................................................................................................................................................................................K-51

5.5 B13#........................................................................................................................................................................................K-51

5.6 B14#........................................................................................................................................................................................K-52

5.7 B15#........................................................................................................................................................................................K-52

5.8 B16#........................................................................................................................................................................................K-52

5.9 B17#........................................................................................................................................................................................K-52

5.10 B18#......................................................................................................................................................................................K-52

5.11 B19#......................................................................................................................................................................................K-53

5.12 T0#........................................................................................................................................................................................K-53

5.13 T1#........................................................................................................................................................................................K-53

5.14 T2#........................................................................................................................................................................................K-54

5.15 T3#........................................................................................................................................................................................K-54

5.16 T4#........................................................................................................................................................................................K-54

5.17 T5#........................................................................................................................................................................................K-54

5.18 T6#........................................................................................................................................................................................K-55

5.19 T7#........................................................................................................................................................................................K-55

5.20 T8#........................................................................................................................................................................................K-55

5.21 T9#........................................................................................................................................................................................K-55

5.22 R0#........................................................................................................................................................................................K-56

5.23 R1#........................................................................................................................................................................................K-56

5.24 R2#........................................................................................................................................................................................K-56

5.25 R3#........................................................................................................................................................................................K-57

5.26 R4#........................................................................................................................................................................................K-57

5.27 R5#........................................................................................................................................................................................K-57

5.28 R6#........................................................................................................................................................................................K-58

5.29 R7#........................................................................................................................................................................................K-58

5.30 R8#........................................................................................................................................................................................K-58

5.31 R9#........................................................................................................................................................................................K-58

6. CONSUMABLE ERROR...........................................................................................................................................K-60

6.1 List of the error display............................................................................................................................................................K-60

6.2 Solution....................................................................................................................................................................................K-60

6.2.1 Imaging unit installation error........................................................................................................................................K-60

6.2.2 Toner cartridge set error................................................................................................................................................K-60

6.2.3 Incorrect imaging unit detected.....................................................................................................................................K-61

6.2.4 Incorrect toner cartridge detected.................................................................................................................................K-61

x

7. OTHER TROUBLE....................................................................................................................................................K-62

7.1 Machine is not energized at all (PU operation check).............................................................................................................K-62

7.2 Operation panel indicators do not light....................................................................................................................................K-62

7.3 Operation panel (touch panel) do not respond........................................................................................................................K-62

8. IMAGE QUALITY PROBLEM....................................................................................................................................K-63

8.1 How to identify problematic part..............................................................................................................................................K-63

8.1.1 Initial check items..........................................................................................................................................................K-63

8.2 Solution....................................................................................................................................................................................K-63

8.2.1 Scanner system: white lines, white bands, black lines and black bands in sub scan direction.....................................K-63

8.2.2 Scanner system: white lines, white bands, black lines and black bands in main scan direction...................................K-63

8.2.3 Scanner system: black spots.........................................................................................................................................K-64

8.2.4 Scanner system: fog......................................................................................................................................................K-64

8.2.5 Scanner system: blurred image, blotchy image............................................................................................................K-64

8.2.6 Scanner system: moire..................................................................................................................................................K-65

8.2.7 Scanner system: skewed image....................................................................................................................................K-65

8.2.8 Scanner system: distorted image..................................................................................................................................K-66

8.2.9 Scanner system: low image density, rough image........................................................................................................K-66

8.2.10 Scanner system: blank copy, black copy....................................................................................................................K-66

8.2.11 Printer: white lines and white bands in sub scan direction..........................................................................................K-67

8.2.12 Printer: white lines and white bands in main scan direction........................................................................................K-67

8.2.13 Printer: uneven density in sub scan direction..............................................................................................................K-67

8.2.14 Printer: uneven density in main scan direction............................................................................................................K-68

8.2.15 Printer: low image density...........................................................................................................................................K-68

8.2.16 Printer: gradation reproduction failure.........................................................................................................................K-69

8.2.17 Printer: foggy background...........................................................................................................................................K-69

8.2.18 Printer: void areas, white spots...................................................................................................................................K-69

8.2.19 Printer: black spots......................................................................................................................................................K-70

8.2.20 Printer: blurred image..................................................................................................................................................K-70

8.2.21 Printer: blank copy, black copy....................................................................................................................................K-71

8.2.22 Printer: uneven image.................................................................................................................................................K-71

L PARTS/CONNECTOR LAYOUT DRAWING..................................................................................L-1

1. PARTS LAYOUT DRAWING.......................................................................................................................................L-1

1.1 bizhub 4750/4050......................................................................................................................................................................L-1

1.2 FS-P02 (Option).........................................................................................................................................................................L-2

N WIRING DIAGRAM........................................................................................................................N-1

1. bizhub 4750/4050........................................................................................................................................................N-1

1.1 Bizhub 4750/4050.....................................................................................................................................................................N-1

O THEORY OF OPERATION bizhub 4750/4050..............................................................................O-1

1. Paper path information................................................................................................................................................O-1

1.1 Input tray...................................................................................................................................................................................O-1

1.2 Multipurpose feeder (MPF).......................................................................................................................................................O-1

1.3 Simplex printing.........................................................................................................................................................................O-1

1.4 Duplex printing..........................................................................................................................................................................O-2

2. Media handling components.......................................................................................................................................O-3

2.1 Main drive gearbox....................................................................................................................................................................O-3

2.2 Autocompensator mechanism (ACM).......................................................................................................................................O-3

3. Key components.........................................................................................................................................................O-4

3.1 Sensors.....................................................................................................................................................................................O-4

3.2 Other key components..............................................................................................................................................................O-4

4. Electrophotographic process (EP process).................................................................................................................O-6

4.1 Printhead...................................................................................................................................................................................O-6

4.2 Step 1: Charge..........................................................................................................................................................................O-6

4.3 Step 2: Expose..........................................................................................................................................................................O-6

4.4 Step 3: Develop.........................................................................................................................................................................O-7

4.5 Step 4: Transfer........................................................................................................................................................................O-7

4.6 Step 5: Clean............................................................................................................................................................................O-8

5. ADF theory..................................................................................................................................................................O-9

5.1 ADF theory of operation............................................................................................................................................................O-9

Q PARTS GUIDE MANUAL (1st Edition)..........................................................................................Q-1

INFORMATION FOR PARTS GUIDE MANUAL..............................................................................................................Q-1

HOW TO MAKE THE BEST USE OF THIS MANUAL.....................................................................................................Q-2

SYSTEM OUTLINE..........................................................................................................................................................Q-3

1. Printer B/W (bizhub 4050/bizhub 4750)......................................................................................................................Q-4

DIAGRAMS OF MAIN PARTS SECTION........................................................................................................................................Q-4

xi

1.1 EXTERNAL PARTS/CASSETTE SECTION.............................................................................................................................Q-5

1.1.1 P1....................................................................................................................................................................................Q-5

1.2 ADF SECTION..........................................................................................................................................................................Q-6

1.2.1 P2....................................................................................................................................................................................Q-6

1.3 PH/FUSING SECTION..............................................................................................................................................................Q-7

1.3.1 P3....................................................................................................................................................................................Q-7

1.4 MAIN POWER SUPPLY SECTION..........................................................................................................................................Q-8

1.4.1 P4....................................................................................................................................................................................Q-8

1.5 REVERSAL/MAIN DRIVE SECTION........................................................................................................................................Q-9

1.5.1 P5....................................................................................................................................................................................Q-9

1.6 OPERATION PANEL SECTION.............................................................................................................................................Q-10

1.6.1 P6..................................................................................................................................................................................Q-10

1.7 ACCESSORY PARTS.............................................................................................................................................................Q-11

1.7.1 P7..................................................................................................................................................................................Q-11

1.8 MAINTENANCE KIT...............................................................................................................................................................Q-12

1.8.1 P8..................................................................................................................................................................................Q-12

1.9 MAINTENANCE LIST.............................................................................................................................................................Q-12

1.10 DESTINATION......................................................................................................................................................................Q-13

2. Paper Feeder (PF-P11)............................................................................................................................................Q-14

2.1 PAPER FEEDER UNIT...........................................................................................................................................................Q-14

2.1.1 P1..................................................................................................................................................................................Q-14

2.2 DESTINATION........................................................................................................................................................................Q-14

3. Paper Feeder (PF-P12)............................................................................................................................................Q-16

3.1 CASSETTE UNIT....................................................................................................................................................................Q-16

3.1.1 P1..................................................................................................................................................................................Q-16

3.2 DESTINATION........................................................................................................................................................................Q-16

4. Other Option (KP-P01)..............................................................................................................................................Q-18

4.1 KP-P01....................................................................................................................................................................................Q-18

4.1.1 P1..................................................................................................................................................................................Q-18

4.2 DESTINATION........................................................................................................................................................................Q-18

5. Finisher/Sorter (FS-P02)...........................................................................................................................................Q-20

5.1 STAPLER SECTION...............................................................................................................................................................Q-20

5.1.1 P1..................................................................................................................................................................................Q-20

5.2 ELECRICAL COMPONENTS.................................................................................................................................................Q-21

5.2.1 P2..................................................................................................................................................................................Q-21

5.3 MAIN POWER SUPPLY SECTION........................................................................................................................................Q-22

5.3.1 P3..................................................................................................................................................................................Q-22

5.4 TRANSPORT SECTION.........................................................................................................................................................Q-23

5.4.1 P4..................................................................................................................................................................................Q-23

5.5 ALIGNMENT UNIT..................................................................................................................................................................Q-24

5.5.1 P5..................................................................................................................................................................................Q-24

5.6 DRIVE SECTION....................................................................................................................................................................Q-25

5.6.1 P6..................................................................................................................................................................................Q-25

5.7 DESTINATION........................................................................................................................................................................Q-25

6. Mount Kit (MK-P03)..................................................................................................................................................Q-27

6.1 MK-P03...................................................................................................................................................................................Q-27

6.1.1 P1..................................................................................................................................................................................Q-27

6.2 DESTINATION........................................................................................................................................................................Q-27

xii

bizhub 4750/4050 Revision List > Version 1.0

Revision List

Version 1.0

No. ID Title Ver. Descriptions of revision Date

1 - Issue of the first edition 1.0 - 2013/12/20

1

bizhub 4750/4050 Revision List > Version 1.1

Version 1.1

NOTE

• The main reason for the revision is to correspond to the new firmware (STEP 1.5).

No. ID Title Ver. Descriptions of revision Date

D0001219156B.1. NOTATION OF THE CONTENTS

1

The explanation was modified.

2

2014/05/30

D0001219164C.1.8 Print functions

2

D0001219165C.1.9 Scan Functions

3

D0001217561E.1.2 Utility tool

4

D0001217610I.1. HOW TO USE THE ADJUSTMENT

5

D0001217612I.2.1.1 Accessibility

6

D0001217613I.2.1.2 One-Touch/User Box Registration

7

D0001217614I.2.1.3 User Settings

8

D0001217615I.2.1.4 Administrator Settings - System

9

D0001217619I.2.1.8 Administrator Settings - Network

10

D0001217621I.2.1.10 Administrator Settings - Printer

11

D0001217624I.2.1.13 Administrator Settings - Security

12

D0001217626I.2.1.15 Administrator Settings - License

13

D0001217631I.2.3.1 Accessibility

14

D0001217632I.2.3.2 One-Touch/User Box Registration

15

SECTION

Settings

Settings

Settings

Settings

Management

The explanation was modified.

2

The explanation was modified.

2

The explanation was modified.

2

The explanation was modified.

2

The new function was added.

2

The new function was added.

2

The new function was added.

2

The new function was added.

2

The new function was added.

2

The new function was added.

2

The new function was added.

2

The new function was added.

2

The new function was added.

2

The new function was added.

2

2014/05/30

2014/05/30

2014/05/30

2014/05/30

2014/06/04

2014/06/04

2014/06/04

2014/06/04

2014/06/04

2014/06/04

2014/06/04

2014/06/04

2014/06/04

2014/06/04

D0001217633I.2.3.3 User Settings

16

D0001217634I.2.3.4 Administrator Settings - System

17

D0001217638I.2.3.8 Administrator Settings - Network

18

D0001217640I.2.3.10 Administrator Settings - Printer

19

D0001217643I.2.3.13 Administrator Settings - Security

20

D0001217645I.2.3.15 Administrator Settings - License

21

D0001218770I.3.1 List of service mode (outline)

22

D0001218774I.3.2.4 System 1

23

D0001218775I.3.2.5 System 2

24

D0001218782I.3.2.12 Firmware Update

25

D0001277818I.3.2.13 Internet ISW Settings

26

D0001218783I.4.1 Starting/Exiting

27

D0001278035I.4.6.1 Using the telephone line modem

28

D0001218817I.4.10.4 Detail Settings - Basic Settings

29

Settings

Settings

Settings

Settings

Management

The new function was added.

2

The new function was added.

2

The new function was added.

2

The new function was added.

2

The new function was added.

2

The new function was added.

2

The new function was added.

6

The explanation was modified.

6

The explanation was modified.

6

The explanation was modified.

7

The new function was added

1

The explanation was modified.

6

The new function was added

1

The explanation was modified.

2

2014/06/04

2014/06/04

2014/06/04

2014/06/04

2014/06/04

2014/06/04

2014/05/30

2014/05/30

2014/05/30

2014/05/30

2014/05/30

2014/05/30

2014/06/04

2014/06/04

D0001218827I.4.11 System 1

30

D0001277819I.4.11.8 Initialize - Server Cache Data

31

The explanation was modified.

5

The new function was added

1

2

2014/05/30

2014/05/30

bizhub 4750/4050 Revision List > Version 1.1

No. ID Title Ver. Descriptions of revision Date

D0001218838I.4.12.1 Unit Change

32

The explanation was modified.

8

2014/05/30

D0001218841I.4.12.4 Network Fax Settings - Internet

33

D0001277987I.4.12.7 Eco counter settings

34

D0001218886I.4.18.3 System

35

D0001218918I.4.21 Loadable Drive Information

36

D0001218919I.4.22 Loadable Driver Download

37

D0001277820I.4.23 Internet ISW Settings

38

D0001277821I.4.23.1 Enable Settings

39

D0001277822I.4.23.2 HTTP Server Settings

40

D0001277823I.4.23.3 Forwarding Access Setting

41

D0001277824I.4.23.4 Download

42

D0001277825I.7. Control Panel Calibration

43

D0001277626J.3.1 Preparations for firmware rewriting

44

D0001277627J.3.2 Preparing the firmware data

45

D0001277628J.3.3 Firmware rewriting from the control

46

D0001277985J.4. CS Remote Care

47

Fax

panel

The explanation was modified.

5

The new function was added

1

The explanation was modified.

4

The explanation was modified.

2

The explanation was modified.

2

The new function was added

1

The new function was added

1

The new function was added

1

The new function was added

1

The new function was added

1

The new function was added

1

The new function was added

1

The new function was added

1

The new function was added

1

The new function was added

1

2014/05/30

2014/05/30

2014/06/04

2014/05/30

2014/05/30

2014/05/30

2014/05/30

2014/05/30

2014/05/30

2014/05/30

2014/05/30

2014/05/30

2014/05/30

2014/05/30

2014/05/30

D0001217531J.5. How to reinstall the i-Option data

48

D0001208399K.1.1 JAM display

49

D0001208400K.1.2 List of JAM display

50

D0001208401K.1.3 Sensor layout

51

D0001208412K.1.4.10 Misfeed at finisher section

52

D0001208413K.1.4.11 Misfeed at staple finisher

53

D0001208410K.1.4.9 Misfeed at ADF section

54

D0001208855K.3.3 List of the trouble code

55

D0001277632K.3.4.22 C180

56

D0001208890K.3.4.27 D094

57

D0001208891K.3.4.28 D095

58

D0001208892K.3.4.29 D096

59

D0001277647K.3.4.30 D2B0

60

D0001277643K.3.4.31 D3F1

61

section

The explanation was modified.

2

The explanation was modified.

2

The explanation was modified.

2

The explanation was modified.

2

The explanation was modified.

2

The explanation was modified.

2

The explanation was modified.

2

The explanation was modified.

2

The new function was added

1

The explanation was modified.

2

The explanation was modified.

2

The explanation was modified.

2

The item was added.

1

The item was added.

1

2014/05/30

2014/05/30

2014/05/30

2014/05/30

2014/05/30

2014/05/30

2014/05/30

2014/05/30

2014/05/30

2014/05/30

2014/05/30

2014/05/30

2014/05/30

2014/05/30

D0001277644K.3.4.32 D3F2

62

D0001277645K.3.4.33 D3F4

63

D0001277646K.3.4.34 D3F5

64

The item was added.

1

The item was added.

1

The item was added.

1

3

2014/05/30

2014/05/30

2014/05/30

bizhub 4750/4050 Revision List > Version 1.1

No. ID Title Ver. Descriptions of revision Date

D0001208488K.4.1 Troubleshooting of the abort code

65

The explanation was modified.

2

2014/05/30

D0001277621K.4.2 F00#

66

D0001277622K.4.3 F81#

67

D0001277623K.4.4 F91#

68

D0001208489K.4.5 FB0#

69

D0001277988K.6.3 Operation panel (touch panel) do

70

not respond

The item was added.

1

The item was added.

1

The item was added.

1

The explanation was modified.

2

The new function was added

1

2014/05/30

2014/05/30

2014/05/30

2014/05/30

2014/05/30

4

bizhub 4750/4050 Revision List > Version 2.0

Version 2.0

NOTE

• The main reason for the revision is to correspond to the new firmware (STEP 2.0).

No. ID Title Ver. Descriptions of revision Date

D0001297745K.3.4.22 C164

1

The new trouble code was added.

1

2014/08/21

D0001219142A.1. IMPORTANT NOTICE

2

D0001219159C.1.3 Paper

3

D0001217612I.2.1.1 Accessibility

4

D0001219169C.5.1 Available function for i-Option

5

D0001309609C.5.2 Web browser function

6

D0001217614I.2.1.3 User Settings

7

D0001217615I.2.1.4 Administrator Settings - System

8

D0001217619I.2.1.8 Administrator Settings - Network

9

D0001217622I.2.1.11 Administrator Settings - Fax

10

D0001217624I.2.1.13 Administrator Settings - Security

11

D0001309711I.2.1.17 Administrator Settings - External

12

D0001309712I.2.1.18 Administrator Settings - Delete

13

D0001217629I.2.2 Starting/Exiting

14

D0001217630I.2.3 Restore Defaults - outline

15

Settings

Settings

Settings

Settings

Memory Backup

Authenticated Documents

The explanation was modified.

4

The explanation was modified.

2

The new function was added.

3

The new function was added.

2

The new function was added.

1

The new function was added.

3

The new function was added.

3

The new function was added.

3

The new function was added.

2

The new function was added.

3

The new function was added.

1

The new function was added.

1

The screen image was modified.

2

The explanation was modified.

6

2014/10/06

2014/10/23

2014/10/23

2014/10/23

2014/10/23

2014/10/23

2014/10/23

2014/10/23

2014/10/23

2014/10/23

2014/10/23

2014/10/23

2014/10/23

2014/10/23

D0001217631I.2.3.1 Accessibility

16

D0001217633I.2.3.3 User Settings

17

D0001217634I.2.3.4 Administrator Settings - System

18

D0001217635I.2.3.5 Administrator Settings -

19

D0001217636I.2.3.6 Administrator Settings - Address

20

D0001217637I.2.3.7 Administrator Settings - User

21

D0001217638I.2.3.8 Administrator Settings - Network

22

D0001217639I.2.3.9 Administrator Settings - Copier

23

D0001217640I.2.3.10 Administrator Settings - Printer

24

D0001217641I.2.3.11 Administrator Settings - Fax

25

D0001217642I.2.3.12 Administrator Settings - System

26

D0001217643I.2.3.13 Administrator Settings - Security

27

D0001217644I.2.3.14 Administrator Settings - Paper

28

D0001217645I.2.3.15 Administrator Settings - License

29

D0001217646I.2.3.16 Administrator Settings - OpenAPI

30

D0001309719I.2.3.17 Administrator Settings - External

31

Settings

Administrator/Machine Settings

Registration List

Authentication/Account Track

Settings

Settings

Settings

Settings

Connection

Settings

Empty Alert Display Setting

Management

Certification Management Setting

Memory Backup

The new function was added.

3

The new function was added.

3

The new function was added.

3

The new function was added.

2

The new function was added.

2

The new function was added.

2

The new function was added.

3

The new function was added.

2

The new function was added.

3

The new function was added.

2

The new function was added.

2

The new function was added.

3

The new function was added.

2

The new function was added.

3

The new function was added.

2

The new function was added.

1

2014/10/23

2014/10/23

2014/10/23

2014/10/23

2014/10/23

2014/10/23

2014/10/23

2014/10/23

2014/10/23

2014/10/23

2014/10/23

2014/10/23

2014/10/23

2014/10/23

2014/10/23

2014/10/23

5

bizhub 4750/4050 Revision List > Version 2.0

No. ID Title Ver. Descriptions of revision Date

D0001309720I.2.3.18 Administrator Settings - Delete

32

D0001218770I.3.1 List of service mode (outline)

33

Authenticated Documents

The new function was added.

1

The new function was added.

7

2014/10/23

2014/10/23

D0001218780I.3.2.10 ADF Adjustment

34

D0001218781I.3.2.11 Fax Settings

35

D0001218773I.3.2.3 CS Remote Care

36

D0001218774I.3.2.4 System 1

37

D0001218775I.3.2.5 System 2

38

D0001218776I.3.2.6 Counter

39

D0001218779I.3.2.9 Test Mode

40

D0001218783I.4.1 Starting/Exiting

41

D0001218806I.4.5 CS Remote Care (Outlines)

42

D0001218827I.4.11 System 1

43

D0001218828I.4.11.1 Marketing area

44

D0001218837I.4.12 System 2

45

D0001218840I.4.12.3 Software Switch Setting

46

D0001309725I.4.12.8 Internal Error. Auto Cancel

47

Error correction.

6

The new function was added.

6

Error correction.

6

The new function was added.

7

The new function was added.

7

The new function was added.

6

Error correction.

6

The explanation was modified.

7

The new function was added.

6

The new function was added.

6

The new function was added.

5

The new function was added.

5

The new function was added.

8

The new function was added.

1

2014/10/23

2014/10/23

2014/10/23

2014/10/23

2014/10/23

2014/10/23

2014/10/23

2014/10/23

2014/10/23

2014/10/23

2014/10/23

2014/10/23

2014/10/23

2014/10/23

D0001218846I.4.13 Counter

48

D0001309735I.4.13.10 Fax Connection Error

49

D0001309736I.4.13.11 Jam

50

D0001309737I.4.13.12 Section Jam

51

D0001309727I.4.13.2 Service Call

52

D0001309728I.4.13.3 Section Service Call

53

D0001309729I.4.13.4 Warning

54

D0001309730I.4.13.5 Service Total

55

D0001309731I.4.13.6 Counter of Each Mode

56

D0001309732I.4.13.7 Service Call History

57

D0001309733I.4.13.8 ADF Paper Feed Count

58

D0001309734I.4.13.9 Paper Jam History

59

D0001218869I.4.16.1 Fax Test-Signal Send Test

60

D0001218870I.4.16.2 Fax Test-Signal Receive Test

61

The new function was added.

5

The new function was added.

1

The new function was added.

1

The new function was added.

1

The new function was added.

1

The new function was added.

1

The new function was added.

1

The new function was added.

1

The new function was added.

1

The new function was added.

1

The new function was added.

1

The new function was added.

1

Error correction.

6

Error correction.

6

2014/10/23

2014/10/23

2014/10/23

2014/10/23

2014/10/23

2014/10/23

2014/10/23

2014/10/23

2014/10/23

2014/10/23

2014/10/23

2014/10/23

2014/10/23

2014/10/23

D0001218871I.4.16.3 Fax Test-NCU TEST

62

D0001218884I.4.18.1 Modem/NCU

63

D0001218888I.4.18.5 Communication

64

Error correction.

4

Error correction.

4

Error correction.

4

6

2014/10/23

2014/10/23

2014/10/23

bizhub 4750/4050 Revision List > Version 2.0

No. ID Title Ver. Descriptions of revision Date

D0001218902I.4.19.10 0e00b#

65

Error correction.

3

2014/10/23

D0001218903I.4.19.11 0e00c#

66

D0001218906I.4.19.14 0e00f#

67

D0001218907I.4.19.15 0e010#

68

D0001218901I.4.19.9 0e00a#

69

D0001309738I.4.20 2nd network card settings

70

D0001309739I.4.25 External Memory Backup

71

D0001309740I.4.26 Verify Firmware

72

D0001218933I.5.1 List of Security Service Mode

73

D0001218935I.5.3 Billing Setting

74

D0001309741I.5.8 Administrator unlocking

75

D0001234392I.6.1 List of Extra Service Mode

76

D0001208425K.3.2 Trouble resetting procedure

77

D0001208855K.3.3 List of the trouble code

78

D0001309715K.3.4.31 D097

79

Error correction.

4

Error correction.

4

Error correction.

3

Error correction.

3

The new function was added.

1

The new function was added.

1

The new function was added.

1

The new function was added.

3

The new function was added.

3

The new function was added.

1

The new function was added.

2

The item was added.

2

The item was added.

3

The item was added.

1

2014/10/23

2014/10/23

2014/10/23

2014/10/23

2014/10/23

2014/10/23

2014/10/23

2014/10/23

2014/10/23

2014/10/23

2014/10/23

2014/10/23

2014/10/23

2014/10/23

D0001309716K.3.4.32 D110

80

D0001309717K.3.4.33 D262

81

D0001309718K.3.4.40 E101

82

D0001208870K.3.4.8 2564

83

D0001208871K.3.4.9 2A94

84

D0001208505K.5.9 B17#

85

D0001208516K.5.20 T8#

86

The item was added.

1

The item was added.

1

The item was added.

1

The explanation was modified.

2

The explanation was modified.

2

The explanation was modified.

2

The explanation was modified.

2

2014/10/23

2014/10/23

2014/10/23

2014/10/23

2014/10/23

2014/10/23

2014/10/23

7

bizhub 4750/4050 Revision List > Version 2.1

Version 2.1

No. ID Title Ver. Descriptions of revision Date

D0001218840I.4.12.3 Software Switch Setting

1

The new function was added

9

2014/12/23

D0001208516K.5.20 T8#

2

The explanation was modified.

3

2014/12/23

8

bizhub 4750/4050 Revision List > Version 3.0

Version 3.0

NOTE

The main reason for the revision is to correspond to the new firmware (STEP 3.0).

•

No. ID Title Ver. Descriptions of revision Date

D0001200963J.1. Checking the current firmware

1

D0001217623I.2.1.12 Administrator Settings - System

2

D0001217613I.2.1.2 One-Touch/User Box Registration

3

version

Connection

The screen was modified.

2

The item was added.

3

The item was added.

3

2015/01/28

2015/02/13

2015/02/13

D0001217614I.2.1.3 User Settings

4

D0001217615I.2.1.4 Administrator Settings - System

5

D0001217619I.2.1.8 Administrator Settings - Network

6

D0001217620I.2.1.9 Administrator Settings - Copier

7

D0001217642I.2.3.12 Administrator Settings - System

8

D0001217632I.2.3.2 One-Touch/User Box Registration

9

D0001217633I.2.3.3 User Settings

10

D0001217634I.2.3.4 Administrator Settings - System

11

D0001217638I.2.3.8 Administrator Settings - Network

12

D0001217639I.2.3.9 Administrator Settings - Copier

13

D0001218776I.3.2.6 Counter

14

D0001218783I.4.1 Starting/Exiting

15

D0001218840I.4.12.3 Software Switch Setting

16

D0001218846I.4.13 Counter

17

Settings

Settings

Settings

Connection

Settings

Settings

Settings

The item was added.

4

The item was added.

4

The item was added.

4

The item was added.

2

The item was added.

3

The item was added.

4

The item was added.

4

The item was added.

4

The item was added.

4

The item was added.

3

The item was added.

7

The explanation was modified.

8

The switch functions were added.

10

The item was added.

6

2015/02/13

2015/02/13

2015/02/13

2015/02/13

2015/02/13

2015/02/13

2015/02/13

2015/02/13

2015/02/13

2015/02/13

2015/02/13

2015/02/13

2015/02/13

2015/02/13

D0001408028I.4.13.14 Detail Code History

18

D0001309739I.4.25 External Memory Backup

19

D0001309741I.5.8 Administrator unlocking

20

D0001200964J.2. Firmware upgrading procedure by

21

USB memory device

The detail code history function was added.

1

The item was added.

2

The explanation was modified.

2

The upgrade procedure was modified.

2

2015/02/13

2015/02/13

2015/02/13

2015/02/13

9

bizhub 4750/4050 Revision List > Version 3.1

Version 3.1

NOTE

The main reason for the revision is to correspond to the new firmware (STEP 3.5).

•

No. ID Title Ver. Descriptions of revision Date

D0001208404K.1.4.3 Misfeed at tray 1 feed section

1

The sub error code was added.

2

2015/09/03

D0001197378L.1.1 bizhub 4750/4050

2

D0001218840I.4.12.3 Software Switch Setting

3

D0001309609C.5.2 Web browser function

4

D0001219170D.1. SYSTEM CONFIGURATION

5

D0001217561E.1.2 Utility tool

6

D0001408028I.4.13.14 Detail Code History

7

D0001218915I.4.19.23 13000#, 13001#, 13002#,

8

D0001218919I.4.23 Loadable Driver Download

9

D0001309739I.4.25 External Memory Backup

10

D0001208425K.3.2 Trouble resetting procedure

11

13003#, 13004#, 13005#, 13006#

Error correction.

2

The corresponded to the new firmware (STEP 3.5).

11

The switch functions were added.

The corresponded to the new firmware (STEP 3.5).

2

The Supported TLS versions were modified.

The AU-201S was added.

2

The corresponded to the new firmware (STEP 3.5).

3

Error correction.

The corresponded to the new firmware (STEP 3.5).

2

The explanation was modified.

The corresponded to the new firmware (STEP 3.5).

3

The Dial number check function was added.

The explanation was modified.

3

The corresponded to the new firmware (STEP 3.5).

3

The backup items were modified.

Error correction.

3

2015/09/03

2015/10/05

2015/10/06

2015/10/06

2015/10/06

2015/10/06

2015/10/06

2015/10/06

2015/10/06

2015/10/06

10

bizhub 4750/4050 Revision List > Version 3.2

Version 3.2

NOTE

The main reason for the revision is to correspond to the new firmware (STEP 3.5 Maintenance Release).

•

No. ID Title Ver. Descriptions of revision Date

D0001626064E.1.2 CE tool list

1

The explanation was added.

1

2016/03/25

D0001218770I.3.1 List of service mode (outline)

2

D0001626069I.4.27 BootUp Screen

3

D0001234393I.6.2 Starting/Exiting

4

D0001208425K.3.2 Trouble resetting procedure

5

D0001218840I.4.12.3 Software Switch Setting

6

D0001198603G.3.5 Cartridge gearbox removal

7

D0001197362O.4.5 Step 4: Transfer

8

The explanation was modified.

8

The explanation was added.

1

The explanation was modified.

2

The explanation was modified.

4

The corresponded to the new firmware.

12

The switch functions were added.

Error correction.

2

Error correction.

2

2016/03/30

2016/03/30

2016/03/30

2016/03/30

2016/04/01

2016/04/07

2016/04/08

11

bizhub 4750/4050 Revision List > Version 3.3

Version 3.3

No. ID Title Ver. Descriptions of revision Date

D0001219142A.1. IMPORTANT NOTICE

1

The explanation was modified.

5

2017/05/01

D0001219153A.3.6 Laser Safety

2

D0001219156B.1. NOTATION OF THE CONTENTS

3

D0001219164C.1.8 Print functions

4

D0001219165C.1.9 Scan Functions

5

D0001217560E.1.1 Service material list

6

D0001198608G.4.4 Cooling fan removal

7

The explanation was modified.

4

The supported OS was modified.

3

The supported OS was modified.

3

The supported OS was modified.

3

The explanation was modified.

2

The explanation was modified.

2

2017/05/01

2017/05/01

2017/05/01

2017/05/01

2017/05/01

2017/05/01

12

bizhub 4750/4050 Revision List > Version 3.4

Version 3.4

No. ID Title Ver. Descriptions of revision Date

D0001218840I.4.12.3 Software Switch Setting

1

13

Correction

2017/06/01

13

bizhub 4750/4050 Revision List > Version 3.5

Version 3.5

No. ID Title Ver. Descriptions of revision Date

D0001926258K.6.1 List of the error display

1

The explanation was added.

1

2017/08/19

D0001926257K.6.2.1 Imaging unit installation error

2

D0001926252K.6.2.2 Toner cartridge set error

3

D0001926255K.6.2.3 Incorrect imaging unit detected

4

D0001926253K.6.2.4 Incorrect toner cartridge detected

5

The explanation was added.

1

The explanation was added.

1

The explanation was added.

1

The explanation was added.

1

2017/08/19

2017/08/19

2017/08/19

2017/08/19

14

bizhub 4750/4050 Revision List > Version 3.6

Version 3.6

No. ID Title Ver. Descriptions of revision Date

D0001208875K.3.4.12 4501

1

The explanation was modified.

2 2018/01/17

15

bizhub 4750/4050 Revision List > Version 3.7

Version 3.7

No. ID Title Ver. Descriptions of revision Date

1

-

G.6.10 ACM assembly removal

The explanation was added.

1 2018/10/12

15

bizhub 4750/4050

A SAFETY AND IMPORTANT WARNING ITEMS

Read carefully the safety and important warning items described below to understand them
before doing service work.

A-1