Ricoh B129, B168, B169, B130, B044 Service Manual

B129/B130/B168/B169/B044/B045/B046

SERVICE MANUAL

001960MIU

RICOH GROUP COMPANIES

SM i B129 Series/B044 Series

B129/B130/B168/B169/B044/B045/B046

TABLE OF CONTENTS

INSTALLATION

1. INSTALLATION............................................................................ 1-1

1.1 INSTALLATION REQUIREMENTS ...........................................................1-1

1.1.1 ENVIRONMENT ...............................................................................1-1

1.1.2 MACHINE LEVEL.............................................................................1-2

1.1.3 MINIMUM OPERATIONAL SPACE REQUIREMENTS ....................1-2

1.1.4 POWER REQUIREMENTS ..............................................................1-3

1.2 COPIER.....................................................................................................1-4

1.2.1 ACCESSORY CHECK......................................................................1-4

B129 Basic Model.................................................................................1-4

B130 MFP Model ..................................................................................1-4

B168 Copier/Facsimile Model ...............................................................1-5

B169 Copier/Printer/Scanner Model .....................................................1-5

1.2.2 INSTALLATION PROCEDURE ........................................................1-6

1.3 PAPER TRAY UNIT ................................................................................1-13

1.3.1 ACCESSORY CHECK....................................................................1-13

1.3.2 INSTALLATION PROCEDURE ......................................................1-14

1.4 PAPER TRAY UNIT HEATER ................................................................. 1-16

1.4.1 ACCESSORY CHECK....................................................................1-16

1.4.2 INSTALLATION PROCEDURE ......................................................1-17

1.5 DOCUMENT FEEDER (B696 AND B444)............................................... 1-22

1.5.1 ACCESSORY CHECK....................................................................1-22

1.5.2 INSTALLATION PROCEDURE ......................................................1-23

1.6 PRINTER SCANNER UNIT B683............................................................1-28

1.6.1 ACCESSORY CHECK....................................................................1-28

1.6.2 INSTALLATION PROCEDURE ......................................................1-29

1.7 POSTSCRIPT 3.......................................................................................1-34

1.8 IEEE 1284/IEEE 1394/BLUETOOTH INTERFACE .................................1-35

1.9 WIRELESS LAN ......................................................................................1-36

1.9.1 ACCESSORY CHECK....................................................................1-36

1.9.2 INSTALLATION PROCEDURE ......................................................1-36

1.10 BLUETOOTH.........................................................................................1-39

1.10.1 ACCESSORY CHECK..................................................................1-39

1.10.2 INSTALLATION PROCEDURE ....................................................1-39

1.11 DIMM (B044/B045/B046 MODELS ONLY)............................................ 1-40

1.11.1 INSTALLATION PROCEDURE ....................................................1-40

PREVENTIVE MAINTENANCE

2. PREVENTIVE MAINTENANCE.................................................... 2-1

2.1 PM TABLES ..............................................................................................2-1

B129 Series/B044 Series ii SM

2.2 HOW TO CLEAR THE PM COUNTER......................................................2-2

REPLACEMENT AND ADJUSTMENT

3. REPLACEMENT AND ADJUSTMENT ........................................ 3-1

3.1 PRECAUTIONS.........................................................................................3-1

3.1.1 GENERAL ........................................................................................3-1

3.1.2 LITHIUM BATTERIES ......................................................................3-1

3.1.3 HALOGEN-FREE CABLE.................................................................3-1

3.1.4 PCU (PHOTOCONDUCTOR UNIT) .................................................3-1

3.1.5 TRANSFER ROLLER ....................................................................... 3-2

3.1.6 SCANNER UNIT............................................................................... 3-2

3.1.7 LASER UNIT ....................................................................................3-2

3.1.8 FUSING UNIT...................................................................................3-2

3.1.9 PAPER FEED...................................................................................3-3

3.2 SPECIAL TOOLS AND LUBRICANTS ......................................................3-3

3.3 EXTERIOR COVER AND OPERATION PANEL ....................................... 3-4

3.3.1 PLATEN COVER..............................................................................3-4

3.3.2 REAR COVER..................................................................................3-4

3.3.3 COPY TRAY.....................................................................................3-5

3.3.4 SCALE PLATE .................................................................................3-5

3.3.5 OPERATION PANEL AND UPPER COVERS..................................3-6

3.3.6 RIGHT DOOR...................................................................................3-7

3.3.7 BYPASS TRAY................................................................................. 3-7

3.3.8 PLATEN COVER SENSOR..............................................................3-8

3.4 SCANNER UNIT........................................................................................3-9

3.4.1 EXPOSURE GLASS.........................................................................3-9

Non-ADF machines...............................................................................3-9

ADF-equipped machines ......................................................................3-9

3.4.2 LENS BLOCK .................................................................................3-10

3.4.3 EXPOSURE LAMP, LAMP STABILIZER BOARD ..........................3-10

3.4.4 SCANNER MOTOR........................................................................3-11

3.4.5 SCANNER HP SENSOR ................................................................3-11

3.4.6 SCANNER ALIGNMENT ADJUSTMENT .......................................3-12

3.5 FUSING...................................................................................................3-13

3.5.1 FUSING UNIT................................................................................. 3-13

3.5.2 EXIT SENSOR ...............................................................................3-13

3.5.3 HOT ROLLER STRIPPER PAWLS ................................................3-14

3.5.4 HOT ROLLER & FUSING LAMP ....................................................3-15

3.5.5 THERMO-SWITCH AND THERMISTOR........................................3-16

3.5.6 PRESSURE ROLLER.....................................................................3-17

3.5.7 ADJUSTING NIP BAND .................................................................3-18

3.5.8 DUPLEX MOTOR...........................................................................3-19

3.5.9 CONTACT-RELEASE SOLENOID .................................................3-19

3.6 PCU AND QUENCHING LAMP...............................................................3-20

3.6.1 PCU ................................................................................................ 3-20

3.6.2 QUENCHING LAMP ....................................................................... 3-21

3.7 TONER SUPPLY CLUTCH .....................................................................3-22

SM iii B129 Series/B044 Series

3.8 HIGH-VOLTAGE POWER SUPPLY BOARD ..........................................3-22

3.9 EXHAUST FAN AND MAIN MOTOR.......................................................3-23

3.9.1 EXHAUST FAN ..............................................................................3-23

3.9.2 MAIN MOTOR ................................................................................3-23

3.10 PAPER FEED........................................................................................3-24

3.10.1 PAPER FEED ROLLER AND FRICTION PAD.............................3-24

3.10.2 PAPER END SENSOR.................................................................3-24

3.10.3 REGISTRATION SENSOR...........................................................3-25

3.10.4 BYPASS PAPER END SENSOR..................................................3-25

3.10.5 BYPASS FEED ROLLER .............................................................3-26

3.10.6 BYPASS FEED CLUTCH AND FRICTION PAD ..........................3-27

3.10.7 PAPER FEED AND REGISTRATION CLUTCHES ......................3-28

3.11 IMAGE TRANSFER...............................................................................3-29

3.11.1 TRANSFER ROLLER ................................................................... 3-29

3.11.2 ID SENSOR AND DUPLEX ROLLER...........................................3-29

3.11.3 DISCHARGE PLATE ....................................................................3-30

3.12 CONTROLLER BOX AND BICU (B129/B130/B168/B169).................... 3-31

3.13 FUNCTION CONTROL UNIT (B044/B045/B046)..................................3-33

3.14 LASER UNIT .........................................................................................3-34

3.14.1 LOCATION OF CAUTION DECAL ...............................................3-34

3.14.2 PSU .............................................................................................. 3-35

3.14.3 LASER UNIT ................................................................................3-36

3.14.4 LD UNIT AND POLYGON MIRROR MOTOR...............................3-36

3.15 ADJUSTING COPY IMAGE AREA........................................................3-37

3.15.1 PRINTING ....................................................................................3-37

Adjusting Registration ......................................................................... 3-37

Adjusting Blank Margin ....................................................................... 3-38

Adjusting Main-Scan Magnification ..................................................... 3-38

3.15.2 SCANNING...................................................................................3-39

Adjusting Registration ......................................................................... 3-39

Adjusting Magnification ....................................................................... 3-39

Standard White Density Adjustment ...................................................3-40

3.15.3 ADF IMAGE ADJUSTMENT.........................................................3-41

TROUBLESHOOTING

4. TROUBLESHOOTING ................................................................. 4-1

4.1 SERVICE CALL CONDITIONS .................................................................4-1

4.1.1 SUMMARY .......................................................................................4-1

4.1.2 SC CODE DESCRIPTIONS .............................................................4-2

B129/B130/B168/B169 UNIQUE ..........................................................4-2

B044/B045/B046 UNIQUE..................................................................4-11

ALL OTHER CODES FOR: (B129/B130/B168/B044/B045/B046) ......4-10

4.2 ELECTRICAL COMPONENT DEFECTS ................................................4-17

4.2.1 SENSOR/SWITCH OPEN ERRORS (B129/B130/B168/B169) ......4-17

4.2.2 SENSOR/SWITCH OPEN ERRORS (B044/B045/B046)................4-18

4.2.3 BLOWN FUSE CONDITIONS ........................................................4-19

B129 Series/B044 Series iv SM

4.3 LED DISPLAY .........................................................................................4-19

4.3.1 BICU (B129/B130/B168/B169) .......................................................4-19

4.4 DUMPING THE FUSER TEMPERATURE LOG......................................4-19

SERVICE TABLES

5. SERVICE TABLES....................................................................... 5-1

5.1 SERVICE PROGRAM ...............................................................................5-1

5.1.1 USING SP AND SSP MODES.......................................................... 5-1

Starting SP Mode..................................................................................5-1

Starting SSP Mode(B130/B168/B169) .................................................. 5-2

Selecting Programs...............................................................................5-2

Specifying Values .................................................................................5-2

Activating Copy Mode ........................................................................... 5-2

Quitting Programs/Ending (S)SP Mode ................................................5-2

5.1.2 SP MODE TABLES (B129)...............................................................5-3

SP1-XXX (Feed) ...................................................................................5-3

SP2-XXX (Drum)...................................................................................5-5

SP4-XXX (Scanner) ..............................................................................5-9

SP5-XXX (Mode) ................................................................................5-13

SP6-XXX (Peripherals) .......................................................................5-16

SP7-XXX (Data Log)...........................................................................5-17

SP8-XXX (History) ..............................................................................5-20

5.1.3 SP MODE TABLES (B130/B168/B169) ..........................................5-22

SP1-XXX (Feed) .................................................................................5-22

SP2-XXX (Drum).................................................................................5-24

SP4-XXX (Scanner) ............................................................................5-28

SP5-XXX (Mode) ................................................................................5-33

SP6-XXX (Peripherals) .......................................................................5-46

SP7-XXX (Data Log)...........................................................................5-47

SP8-XXX (History) ..............................................................................5-51

5.1.4 SP MODE TABLES (B044/B045/B046) ..........................................5-61

SP1-XXX (Feed) .................................................................................5-61

SP2-XXX (Drum).................................................................................5-62

SP4-XXX (Scanner) ............................................................................5-67

SP5-XXX (Mode) ................................................................................5-72

SP6-XXX (Peripherals) .......................................................................5-76

SP7-XXX (Data Log)...........................................................................5-77

5.1.5 ID SENSOR ERROR ANALYSIS (SP2-221) ..................................5-81

5.1.6 MEMORY CLEAR B129/B130/B168/B169 .....................................5-83

Exceptions ..........................................................................................5-83

Initializing Memory Data......................................................................5-83

Executing Memory Clear on B129 ......................................................5-84

Executing Memory Clear on B130/B168/B169....................................5-84

Memory Clear B044/B045/B046 .........................................................5-85

5.1.7 INPUT CHECK (SP5-803) ..............................................................5-86

B129/B130/B168/B169 Models...........................................................5-86

Input Check Table............................................................................... 5-86