Ricoh B089, B093 Service Manual
B089/B093
SERVICE MANUAL
001783MIU
RICOH GROUP COMPANIES
B089/B093
TABLE OF CONTENTS
OVERALL INFORMATION
1. OVERALL MACHINE INFORMATION......................................... 1-1
1.1 SPECIFICATIONS............................................................................... 1-1
1.2 MACHINE CONFIGURATION ...................................................................1-4
1.2.1 SYSTEM COMPONENTS ................................................................1-4
1.2.2 INSTALLABLE OPTIONAL TABLE...................................................1-6
Copier options.......................................................................................1-6
Fax option .............................................................................................1-6
Printer/scanner options .........................................................................1-6
1.3 PAPER PATH............................................................................................1-7
1.4 MECHANICAL COMPONENT LAYOUT ...................................................1-8
1.5 ELECTRICAL COMPONENT DESCRIPTIONS ......................................1-10
1.6 DRIVE LAYOUT ......................................................................................1-13
1.7 COPY PROCESS....................................................................................1-14
1.7.1 OVERVIEW ....................................................................................1-14
1.8 BOARD STRUCTURE.............................................................................1-16
1.8.1 OVERVIEW ....................................................................................1-16
1.8.2 CONTROLLER ...............................................................................1-18
DETAILED DESCRIPTIONS
2. DETAILED SECTION DESCRIPTIONS ....................................... 2-1
2.1 SUMMARY ................................................................................................ 2-1
2.2 SCANNING................................................................................................2-2
2.2.1 OVERVIEW ......................................................................................2-2
2.2.2 SCANNER DRIVE ............................................................................2-3
2.2.3 ORIGINAL SIZE DETECTION IN PLATEN MODE...........................2-4
2.3 IMAGE PROCESSING ..............................................................................2-6
2.3.1 OVERVIEW ......................................................................................2-6
2.3.2 SBU (SENSOR BOARD UNIT).........................................................2-7
2.3.3 AUTO IMAGE DENSITY...................................................................2-8
2.3.4 IPU (IMAGE PROCESSING UNIT)...................................................2-9
2.3.5 VIDEO CONTROL UNIT (VCU)...................................................... 2-21
2.4 LASER EXPOSURE................................................................................2-22
2.4.1 OVERVIEW ....................................................................................2-22
2.4.2 AUTO POWER CONTROL (APC)..................................................2-23
2.4.3 LD SAFETY SWITCH .....................................................................2-24
2.5 PHOTOCONDUCTOR UNIT (PCU) ........................................................2-25
2.5.1 OVERVIEW ....................................................................................2-25
2.5.2 DRIVE.............................................................................................2-26
2.5.3 NEW PCU DETECTION .................................................................2-27
SM i B089/B093
2.6 DRUM CHARGE .....................................................................................2-28
2.6.1 OVERVIEW ....................................................................................2-28
2.6.1 CHARGE ROLLER VOLTAGE CORRECTION .............................. 2-29
2.6.2 ID SENSOR PATTERN PRODUCTION TIMING............................ 2-30
2.6.3 DRUM CHARGE ROLLER CLEANING ..........................................2-31
2.7 DEVELOPMENT .....................................................................................2-32
2.7.1 OVERVIEW ....................................................................................2-32
2.7.2 DRIVE.............................................................................................2-33
2.7.3 DEVELOPER MIXING ....................................................................2-34
2.7.4 DEVELOPMENT BIAS ...................................................................2-35
2.7.5 TONER SUPPLY............................................................................2-36
2.7.6 TONER DENSITY CONTROL ........................................................2-38
2.7.7 TONER SUPPLY IN ABNORMAL SENSOR CONDITIONS...........2-42
2.7.8 TONER NEAR END/END DETECTION AND RECOVERY............2-42
2.8 DRUM CLEANING AND TONER RECYCLING.......................................2-44
2.8.1 DRUM CLEANING..........................................................................2-44
2.8.2 TONER RECYCLING .....................................................................2-45
2.9 PAPER FEED..........................................................................................2-46
2.9.1 OVERVIEW ....................................................................................2-46
2.9.2 PAPER FEED DRIVE MECHANISM ..............................................2-47
2.9.3 PAPER FEED AND SEPARATION MECHANISM..........................2-48
2.9.4 PAPER LIFT MECHANISM ............................................................2-49
2.9.5 PAPER END DETECTION .............................................................2-50
2.9.6 PAPER HEIGHT DETECTION .......................................................2-51
2.9.7 FEED PRESSURE ADJUSTMENT FOR PAPER SIZE..................2-52
2.9.8 PAPER SIZE DETECTION.............................................................2-55
2.9.9 SPECIAL PAPER SETTING...........................................................2-56
2.9.10 SIDE AND END FENCES.............................................................2-57
2.9.11 PAPER REGISTRATION..............................................................2-58
2.10 IMAGE TRANSFER AND PAPER SEPARATION .................................2-59
2.10.1 OVERVIEW ..................................................................................2-59
2.10.2 IMAGE TRANSFER CURRENT TIMING......................................2-60
2.10.3 TRANSFER ROLLER CLEANING................................................2-61
2.10.4 PAPER SEPARATION MECHANISM...........................................2-61
2.11 IMAGE FUSING AND PAPER EXIT......................................................2-62
2.11.1 OVERVIEW ..................................................................................2-62
2.11.2 FUSING DRIVE AND RELEASE MECHANISM ...........................2-63
2.11.3 FUSING ENTRANCE GUIDE SHIFT MECHANISM ..................... 2-64
2.11.4 PRESSURE ROLLER...................................................................2-65
2.11.5 CLEANING MECHANISM ............................................................2-65
2.11.6 FUSING TEMPERATURE CONTROL..........................................2-66
2.11.7 OVERHEAT PROTECTION .........................................................2-68
2.11.8 PAPER EXIT ................................................................................2-68
2.12 ENERGY SAVER MODES ....................................................................2-69
2.12.1 OVERVIEW ..................................................................................2-69
2.12.2 ENERGY SAVER MODE..............................................................2-70
2.12.3 AUTO OFF MODE........................................................................ 2-71
B089/B093 ii SM
INSTALLATION
3. INSTALLATION PROCEDURE.................................................... 3-1
3.1 INSTALLATION REQUIREMENTS ...........................................................3-1
3.1.1 ENVIRONMENT ............................................................................... 3-1
3.1.2 MACHINE LEVEL.............................................................................3-1
3.1.3 MINIMUM SPACE REQUIREMENTS...............................................3-2
3.1.4 POWER REQUIREMENTS ..............................................................3-3
3.2 COPIER INSTALLATION ..........................................................................3-4
3.2.1 POWER SOCKETS FOR PERIPHERALS .......................................3-4
3.2.2 INSTALLATION FLOW CHART .......................................................3-5
3.2.3 ACCESSORY CHECK......................................................................3-6
3.2.4 INSTALLATION PROCEDURE ........................................................3-7
3.3 PAPER TRAY UNIT INSTALLATION ......................................................3-11
3.3.1 ACCESSORY CHECK....................................................................3-11
3.3.2 INSTALLATION PROCEDURE ......................................................3-11
3.4 LCT INSTALLATION ...............................................................................3-14
3.4.1 ACCESSORY CHECK....................................................................3-14
3.4.2 INSTALLATION PROCEDURE ......................................................3-14
3.5 AUTO REVERSE DOCUMENT FEEDER INSTALLATION..................... 3-17
3.5.1 ACCESSORY CHECK....................................................................3-17
3.5.2 INSTALLATION PROCEDURE ......................................................3-18
3.6 INTERCHANGE UNIT INSTALLATION................................................... 3-22
3.6.1 COMPONENT CHECK...................................................................3-22
3.6.2 INSTALLATION PROCEDURE ......................................................3-23
3.7 1-BIN TRAY UNIT INSTALLATION .........................................................3-25
3.7.1 COMPONENT CHECK...................................................................3-25
3.7.2 INSTALLATION PROCEDURE ......................................................3-26
3.8 SHIFT TRAY............................................................................................3-29
3.8.1 COMPONENT CHECK...................................................................3-29
3.8.2 INSTALLATION PROCEDURE ......................................................3-30
3.9 BY-PASS FEED UNIT INSTALLATION...................................................3-32
3.9.1 COMPONENTS CHECK ................................................................3-32
3.9.2 INSTALLATION PROCEDURE ......................................................3-33
3.10 DUPLEX UNIT INSTALLATION ............................................................3-35
3.10.1 ACCESSORY CHECK..................................................................3-35
3.10.2 INSTALLATION PROCEDURE ....................................................3-36
3.11 BRIDGE UNIT INSTALLATION .............................................................3-38
3.11.1 ACCESSORY CHECK..................................................................3-38
3.11.2 INSTALLATION PROCEDURE ....................................................3-39
3.12 1000-SHEET FINISHER INSTALLATION .............................................3-41
3.12.1 ACCESSORY CHECK..................................................................3-41
3.12.2 INSTALLATION PROCEDURE ....................................................3-42
3.13 500-SHEET FINISHER INSTALLATION ...............................................3-45
3.13.1 ACCESSORY CHECK..................................................................3-45
3.13.2 INSTALLATION PROCEDURE ....................................................3-46
3.14 PLATEN COVER INSTALLATION ........................................................3-48
3.15 KEY COUNTER INSTALLATION ..........................................................3-49
SM iii B089/B093
B089/B093 iv SM
3.16 OPTICS ANTI-CONDENSATION HEATER...........................................3-51
3.17 TRAY HEATER .....................................................................................3-52
3.18 TRAY HEATER (OPTIONAL PAPER TRAY UNIT) ...............................3-54
3.19 TRAY HEATER (OPTIONAL LCT) ........................................................3-57
3.20 OPTIONAL BOARDS AND DIMMS.......................................................3-60
3.20.1 REMOVING THE COVERS..........................................................3-60
3.20.2 PRINTER/SCANNER MODULE (B577) .......................................3-61
Printer/Scanner Module ROM DIMM Installation ................................3-62
3.20.3 128 MB MEMORY (G331) ............................................................3-63
3.20.4 HDD (B592) ..................................................................................3-64
3.20.5 NIB (B525-17)...............................................................................3-66
3.20.6 IEEE 1394 INTERFACE KIT (G336).............................................3-67
3.20.7 IEEE 802.11B INTERFACE KIT (B515)........................................3-69
3.20.8 USB 2.0 BOARD (B525-01).......................................................... 3-73
3.20.9 BLUETOOTH UNIT 2045 (G354) .................................................3-75
3.20.10 POSTSCRIPT 3 UNIT (G354-05) ............................................... 3-77
3.20.11 FILE FORMAT CONVERTER (B519).........................................3-78
3.20.12 CHECK ALL CONNECTIONS ....................................................3-79
3.20.12 USER ACCOUNT ENHANCEMENT UNIT (B443) .....................3-80
SERVICE TABLES
4. SERVICE TABLES....................................................................... 4-1
4.1 GENERAL CAUTION ................................................................................4-1
4.1.1 PCU (PHOTOCONDUCTOR UNIT) .................................................4-1
4.1.2 TRANSFER ROLLER UNIT..............................................................4-1
4.1.3 SCANNER UNIT...............................................................................4-1
4.1.4 LASER UNIT ....................................................................................4-2
4.1.5 FUSING UNIT...................................................................................4-2
4.1.6 PAPER FEED...................................................................................4-2
4.1.7 OTHERS...........................................................................................4-2
4.2 SERVICE PROGRAM MODE....................................................................4-3
4.2.1 SERVICE PROGRAM MODE OPERATION.....................................4-3
Entering and Exiting SP mode ..............................................................4-3
SP Mode Button Summary ...................................................................4-4
Switching Between SP Mode and Copy Mode for Test Printing ...........4-5
Selecting the Program Number.............................................................4-5
4.2.2 SERVICE PROGRAM MODE TABLES............................................ 4-6
SP1XXX: Feed......................................................................................4-7
SP2XXX: Drum ...................................................................................4-16
SP4-XXX: Scanner .............................................................................4-27
SP5XXX: Mode...................................................................................4-34
SP6XXX: Peripherals..........................................................................4-57
SP7XXX: Data Log ...........................................................................4-59
SP8-xxx: Data Log2............................................................................ 4-66
4.2.3 TEST PATTERN PRINTING (SP2902-3) .......................................4-99
4.2.4 INPUT CHECK .............................................................................4-100
Main Machine Input Check (SP5803) ...............................................4-100
ARDF Input Check (SP6007)............................................................4-103
Rev. 12/2003
Finisher Input Check (SP6117).........................................................4-104
4.2.5 OUTPUT CHECK .........................................................................4-106
Main Machine Output Check (SP5804).............................................4-106
ARDF Output Check (SP6008) .........................................................4-108
Finisher Output Check (SP6118) ...................................................... 4-108
4.2.6 SMC DATA LISTS (SP5990) ........................................................4-109
4.2.7 MEMORY ALL CLEAR (SP5801) ................................................. 4-109
Using a Flash Memory Card .............................................................4-109
Without Using a Flash Memory Card ................................................ 4-111
4.2.8 UPLOADING/DOWNLOADING NVRAM DATA............................4-112
Uploading NVRAM Data (SP5824) ................................................... 4-112
Downloading NVRAM Data (SP5825)...............................................4-113
4.2.9 APS OUTPUT DISPLAY (SP4301)...............................................4-114
4.2.10 DF APS SENSOR OUTPUT DISPLAY (SP6901)....................... 4-115
4.2.11 NIP BAND WIDTH MEASUREMENT (SP1109) ......................... 4-116
4.3 PROGRAM DOWNLOAD...................................................................... 4-117
4.4 SOFTWARE RESET .............................................................................4-118
4.5 SYSTEM SETTINGS AND COPY SETTING RESET............................4-119
4.5.1 SYSTEM SETTING RESET .........................................................4-119
4.5.2 COPIER SETTING RESET ..........................................................4-120
4.6 USER TOOLS .......................................................................................4-121
4.6.1 HOW TO USE UP MODE.............................................................4-121
UP Mode Initial Screen: User Tools/Counter Display........................4-121
System Settings................................................................................4-121
Copier/Document Server Features ...................................................4-121
Printer, Facsimile, Scanner Settings................................................. 4-122
Inquiry ...............................................................................................4-122
Counter .............................................................................................4-123
4.7 LEDS .....................................................................................................4-124
Controller ..........................................................................................4-124
SBCU................................................................................................4-124
IPU....................................................................................................4-124
4.8 DIP SWITCHES.....................................................................................4-124
Controller: DIP SW2..........................................................................4-124
SBCU: DIP SW102 ........................................................................... 4-124
4.9 SPECIAL TOOLS AND LUBRICANTS ............................................4-125
4.9.1 SPECIAL TOOLS .........................................................................4-125
4.9.2 LUBRICANTS...............................................................................4-125
4.10 USING THE DEBUG LOG................................................................... 4-126
4.10.1 SWITCHING ON AND SETTING UP SAVE DEBUG LOG .........4-126
4.10.2 RETRIEVING THE DEBUG LOG FROM THE HDD.................. 4-129
4.10.3 RECORDING ERRORS MANUALLY ......................................... 4-130
PREVENTIVE MAINTENANCE
5. PREVENTIVE MAINTENANCE.................................................... 5-1
5.1 PM TABLE................................................................................................. 5-1
SM v B089/B093
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