Aficio B264, B265 Service Manual
B264/B265
SERVICE MANUAL
002527MIU
SERVICE MANUAL
B264/B265
B264/B265
SERVICE MANUAL
002527MIU
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affiliation with Ricoh products.
2005 RICOH Corporation. All rights reserved.
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WARNING
The Service Manual contains information
regarding service techniques, procedures,
rocesses and spare parts of office equipment
distributed by Ricoh Corporation. Users of this
manual should be either service trained o
certified by successfully completing a Ricoh
Technical Training Program.
Untrained and uncertified users utilizin
information contained in this service manual to
repair or modify Ricoh equipment risk persona
injury, damage to property or loss of warrant
rotection.
Ricoh Corporation
LEGEND
PRODUCT CODE COMPANY
B264 DSm735 LD 235 Aficio 3035 8035
B265 DSm745 LD 245 Aficio 3045 8045
GESTETNER LANIER RICOH SAVIN
DOCUMENTATION HISTORY
REV. NO. DATE COMMENTS
*
10/2005 Original Printing
B264/B265
TABLE OF CONTENTS
INSTALLATION
1. INSTALLATION PROCEDURE.................................................... 1-1
1.1 INSTALLATION REQUIREMENTS ...........................................................1-1
1.1.1 ENVIRONMENT ...............................................................................1-2
1.1.2 MACHINE LEVEL............................................................................. 1-2
1.1.3 MINIMUM SPACE REQUIREMENTS...............................................1-3
1.1.4 POWER REQUIREMENTS .............................................................. 1-5
1.2 INSTALLATION FLOW CHART ................................................................1-6
1.3 MAIN MACHINE INSTALLATION..............................................................1-7
1.3.1 ACCESSORY CHECK......................................................................1-7
1.3.2 INSTALLATION PROCEDURE ........................................................1-8
Development Unit and PCU................................................................1-10
Toner Bottle ........................................................................................1-13
Paper Trays ........................................................................................ 1-14
Initialize TD Sensor and Developer.....................................................1-16
Set Paper Size for Paper Trays .......................................................... 1-17
Electrical Total Counter.......................................................................1-18
HDD Caution Decal.............................................................................1-18
Exposure Glass Cleaner .....................................................................1-19
1.4 PAPER TRAY UNIT INSTALLATION (B542) ..........................................1-20
1.4.1 ACCESSORY CHECK....................................................................1-20
1.4.2 PAPER TRAY UNIT INSTALLATION PROCEDURE .....................1-21
1.5 1-BIN TRAY UNIT INSTALLATION (B544) .............................................1-25
1.5.1 ACCESSORY CHECK....................................................................1-25
1.5.2 1-BIN TRAY INSTALLATION PROCEDURE..................................1-26
1.6 BRIDGE UNIT INSTALLATION (B538) ...................................................1-32
1.6.1 ACCESSORY CHECK....................................................................1-32
1.6.2 BRIDGE UNIT INSTALLATION PROCEDURE .............................. 1-33
1.7 TWO-TRAY FINISHER INSTALLATION (B545)......................................1-35
1.7.1 ACCESSORY CHECK....................................................................1-35
1.7.2 TWO-TRAY FINISHER INSTALLATION PROCEDURE.................1-36
1.8 PUNCH UNIT INSTALLATION (B377) .................................................... 1-39
1.8.1 ACCESSORY CHECK....................................................................1-39
1.8.2 PUNCH UNIT INSTALLATION PROCEDURE ...............................1-40
1.9 ARDF INSTALLATION (B714).................................................................1-43
1.9.1 ACCESSORY CHECK....................................................................1-43
1.9.2 ARDF INSTALLATION PROCEDURE............................................1-44
1.9.3 ARDF SKEW ADJUSTMENT ......................................................... 1-48
1.10 LCT INSTALLATION (B543)..................................................................1-49
1.10.1 ACCESSORY CHECK..................................................................1-49
1.10.2 LCT INSTALLATION PROCEDURE.............................................1-50
SM i B264/B265
1.11 PLATEN COVER INSTALLATION (G329) ............................................1-52
1.12 BOOKLET FINISHER INSTALLATION (B546)......................................1-53
1.12.1 ACCESSORY CHECK..................................................................1-53
1.12.2 BOOKLET FINISHER INSTALLATION PROCEDURE.................1-54
1.13 1000 SHEET FINISHER (B408) ............................................................1-59
1.13.1 ACCESSORY CHECK..................................................................1-59
1.13.2 1000 SHEET FINISHER INSTALLATION PROCEDURE.............1-60
1.14 KEY COUNTER INSTALLATION ..........................................................1-63
1.15 ANTI-CONDENSATION HEATER.........................................................1-66
1.16 TRAY HEATER .....................................................................................1-68
1.17 TRAY HEATER (OPTIONAL PAPER TRAY UNIT) ...............................1-69
1.18 DATA OVERWRITE SECURITY UNIT (B735) ......................................1-71
1.18.1 SEAL CHECK AND REMOVAL ....................................................1-71
1.18.2 INSTALLATION ............................................................................1-72
1.19 COPY DATA SECURITY UNIT (B770).................................................. 1-74
1.19.1 ACCESSORIES............................................................................ 1-74
1.19.2 INSTALLATION ............................................................................1-75
1.20 SCANNER ACCESSIBILITY OPTION (B815).......................................1-76
1.20.1 ACCESSORIES............................................................................ 1-76
1.20.2 INSTALLATION ............................................................................1-77
Pre-installation ....................................................................................1-78
On-Site Installation..............................................................................1-84
1.21 CABINET INSTALLATION.....................................................................1-88
PREVENTIVE MAINTENANCE
2. PREVENTIVE MAINTENANCE SCHEDULE ............................... 2-1
2.1 PM TABLE................................................................................................. 2-1
REPLACEMENT AND ADJUSTMENT
3. REPLACEMENT AND ADJUSTMENT ........................................ 3-1
3.1 GENERAL CAUTIONS..............................................................................3-1
3.1.1 LASER UNIT ....................................................................................3-1
3.1.2 USED TONER ..................................................................................3-1
3.2 SPECIAL TOOLS AND LUBRICANTS ................................................3-2
3.2.1 SPECIAL TOOLS .............................................................................3-2
3.2.2 LUBRICANTS...................................................................................3-2
3.3 FRONT DOOR ..........................................................................................3-3
3.4 DUPLEX UNIT...........................................................................................3-4
3.5 RIGHT UPPER COVER ............................................................................3-5
3.6 BY-PASS TRAY UNIT ...............................................................................3-6
3.7 REAR COVERS ........................................................................................3-7
3.7.1 REAR UPPER COVER.....................................................................3-7
3.7.2 REAR LOWER COVER....................................................................3-7
3.8 LEFT COVER ............................................................................................3-8
3.9 SCANNER UNIT........................................................................................3-9
B264/B265 ii SM
3.9.1 ARDF................................................................................................3-9
3.9.2 EXPOSURE GLASS.......................................................................3-10
3.9.3 SCANNER EXTERIOR PANELS, OPERATION PANEL ................3-11
3.9.4 LENS BLOCK, SBU ASSEMBLY ...................................................3-12
3.9.5 ORIGINAL SIZE SENSORS ...........................................................3-13
3.9.6 EXPOSURE LAMP.........................................................................3-14
3.9.7 SCANNER HP SENSOR/PLATEN COVER SENSOR ...................3-15
3.9.8 SCANNER MOTOR........................................................................3-16
3.9.9 LAMP STABILIZER AND SCANNER MOTOR DRIVE BOARD .....3-17
3.9.10 SCANNER WIRE..........................................................................3-18
3.10 LASER UNIT .........................................................................................3-22
3.10.1 CAUTION DECAL LOCATIONS................................................... 3-22
3.10.2 LASER UNIT ................................................................................3-23
3.10.3 POLYGON MIRROR MOTOR ......................................................3-25
3.10.4 LASER SYNCHRONIZATION DETECTOR..................................3-26
3.10.5 LD UNIT........................................................................................3-27
Laser beam pitch adjustment..............................................................3-28
3.11 PHOTOCONDUCTOR UNIT (PCU) ...................................................... 3-30
3.11.1 PCU ..............................................................................................3-30
3.11.2 DRUM...........................................................................................3-31
3.11.3 PICK-OFF PAWLS .......................................................................3-33
Pick-off pawl position adjustment........................................................3-33
3.11.4 CHARGE ROLLER AND CLEANING ROLLER............................ 3-34
3.11.5 DRUM CLEANING BLADE 2........................................................3-35
3.11.6 DRUM CLEANING BLADE 1........................................................3-36
3.11.7 ID SENSOR.................................................................................. 3-37
3.12 DEVELOPMENT ...................................................................................3-38
3.12.1 DEVELOPMENT UNIT .................................................................3-38
3.12.2 DEVELOPMENT FILTER ............................................................. 3-39
3.12.3 DEVELOPMENT ROLLER ........................................................... 3-40
3.12.4 DEVELOPER................................................................................ 3-41
3.12.5 TD SENSOR................................................................................. 3-43
3.13 TRANSFER UNIT..................................................................................3-44
3.13.1 TRANSFER BELT UNIT ...............................................................3-44
3.13.2 TRANSFER BELT ........................................................................3-45
3.13.3 TRANSFER BELT CLEANING BLADE AND TONER
OVERFLOW SENSOR .................................................................3-46
3.14 PAPER FEED........................................................................................3-47
3.14.1 PICK-UP, SEPARATION, AND FEED ROLLERS ........................3-47
3.14.2 RIGHT LOWER COVER...............................................................3-48
3.14.3 RELAY/UPPER PAPER FEED AND LOWER
PAPER FEED CLUTCHES...........................................................3-49
3.14.4 UPPER PAPER FEED UNIT FOR TRAY 1 ..................................3-50
3.14.5 LOWER PAPER FEED UNIT FOR TRAY 2 .................................3-51
3.14.6 PAPER END/PAPER HEIGHT/RELAY SENSORS ......................3-52
3.14.7 REGISTRATION SENSOR...........................................................3-53
3.14.8 TRAY LIFT MOTOR .....................................................................3-55
3.14.9 FEED/DEVELOPMENT MOTOR.................................................. 3-56
3.14.10 IDLE ROLLER DUST BLADE..................................................... 3-57
SM iii B264/B265
3.14.11 REGISTRATION ROLLER DUST BLADE ..................................3-58
3.15 FUSING UNIT........................................................................................3-59
3.15.1 FUSING UNIT REMOVAL ............................................................ 3-59
3.15.2 FUSING UNIT EXIT GUIDE .........................................................3-60
3.15.3 HOT ROLLER STRIPPERS .........................................................3-61
3.15.4 FUSING LAMPS...........................................................................3-62
3.15.5 THERMISTORS AND THERMOSTATS .......................................3-64
3.15.6 HOT ROLLER/PRESSURE ROLLER...........................................3-65
3.15.7 FUSING UNIT SIDE FAN ............................................................. 3-67
3.15.8 FUSING UNIT CORNER FAN ......................................................3-69
3.16 BY-PASS TRAY ....................................................................................3-70
3.16.1 COVER REPLACEMENT .............................................................3-70
3.16.2 BY-PASS PAPER FEED AND PICK-UP
ROLLER REPLACEMENT ...........................................................3-71
3.16.3 BY-PASS SEPARATION ROLLER...............................................3-72
3.16.4 PAPER END SENSOR, PICK-UP SOLENOID.............................3-73
3.16.5 PAPER SIZE SENSOR BOARD REPLACEMENT .......................3-74
3.16.6 BY-PASS TABLE REMOVAL .......................................................3-75
3.16.7 PAPER FEED CLUTCH REPLACEMENT....................................3-76
3.17 DUPLEX UNIT.......................................................................................3-77
3.17.1 DUPLEX COVER REMOVAL .......................................................3-77
3.17.2 DUPLEX ENTRANCE SENSOR REPLACEMENT.......................3-78
3.17.3 DUPLEX EXIT SENSOR REPLACEMENT ..................................3-79
3.18 DRIVE AREA.........................................................................................3-80
3.18.1 REGISTRATION CLUTCH,
TRANSFER BELT CONTACT CLUTCH.......................................3-80
3.18.2 MAIN MOTOR .............................................................................. 3-81
3.18.3 FUSING/EXIT MOTOR.................................................................3-82
3.18.4 TONER SUPPLY MOTOR............................................................3-83
3.19 PRINTED CIRCUIT BOARDS ...............................................................3-84
3.19.1 NVRAM.........................................................................................3-84
3.19.2 HIGH VOLTAGE POWER SUPPLY .............................................3-86
3.19.3 IOB ...............................................................................................3-87
IOB DIP Switch Settings (SW101) ......................................................3-88
3.19.4 BICU BOARD ...............................................................................3-89
3.19.5 PSU ..............................................................................................3-90
3.20 HDD, CONTROLLER BOARD...............................................................3-91
3.21 COPY ADJUSTMENTS: PRINTING/SCANNING ..................................3-92
3.21.1 PRINTING ....................................................................................3-92
Registration - Leading Edge/Side-to-Side...........................................3-92
Blank Margin.......................................................................................3-93
Main Scan Magnification.....................................................................3-93
Parallelogram Image Adjustment........................................................ 3-94
3.21.2 SCANNING...................................................................................3-95
Registration: Platen Mode...................................................................3-95
Magnification.......................................................................................3-95
3.21.3 ADF IMAGE ADJUSTMENT......................................................... 3-96
Registration.........................................................................................3-96
3.21.4 TOUCH SCREEN CALIBRATION ................................................3-97
B264/B265 iv SM
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
4.1.3 SC CODE DESCRIPTIONS .............................................................4-3
4.2 ELECTRICAL COMPONENT DEFECTS ................................................4-30
4.2.1 SENSORS ......................................................................................4-30
4.2.2 SWITCHES.....................................................................................4-32
4.3 BLOWN FUSE CONDITIONS .................................................................4-32
4.4 LEDS .......................................................................................................4-33
4.5 TEST POINTS .........................................................................................4-33
SERVICE TABLES
5. SERVICE TABLES....................................................................... 5-1
5.1.1 SERVICE PROGRAM MODE OPERATION.....................................5-1
Service Mode Lock/Unlock ...................................................................5-1
5.2 SERVICE PROGRAM MODE TABLES.....................................................5-2
5.2.1 SERVICE TABLE KEY .....................................................................5-2
5.2.2 SERVICE MODE LOCK/UNLOCK....................................................5-2
5.2.3 SERVICE TABLES ...........................................................................5-3
SP1-xxx: Feed ...................................................................................... 5-3
SP2-xxx: Drum......................................................................................5-7
SP3-xxx: Process................................................................................5-17
SP4-xxx: Scanner ...............................................................................5-19
SP5-xxx: Mode ...................................................................................5-35
SP6-xxx: Peripherals ..........................................................................5-74
SP7-xxx: Data Log.............................................................................. 5-76
SP8-xxx: Data Log2............................................................................5-82
5.2.4 TEST PATTERN PRINTING: SP2-902.........................................5-117
Test Pattern Table (SP2-902-2: IPU Test Print)................................5-117
Test Pattern Table: SP2-902-3 Printing Test Patterns...................... 5-118
5.2.5 INPUT CHECK .............................................................................5-119
Main Machine Input Check: SP5-803................................................5-119
ARDF Input Check: SP6-007 ............................................................5-123
5.2.6 OUTPUT CHECK .........................................................................5-124
Main Machine Output Check: SP5-804.............................................5-124
ARDF Output Check: SP6-008) ........................................................5-126
5.2.7 SMC PRINT OUT LISTS: SP5-990...............................................5-126
5.2.8 NIP BAND WIDTH ADJUSTMENT: SP1-109 ...............................5-127
5.2.9 MEMORY CLEAR: SP5-801.........................................................5-128
5.2.10 SOFTWARE RESET ..................................................................5-130
5.2.11 SYSTEM SETTINGS AND COPY SETTING RESET .................5-130
System Setting Reset .......................................................................5-130
Copier Setting Reset.........................................................................5-131
SM v B264/B265
5.3 UPDATING THE FIRMWARE ...............................................................5-132
5.4 UPLOADING/DOWNLOADING NVRAM DATA.....................................5-133
5.4.1 UPLOADING NVRAM DATA (SP5-824).......................................5-133
5.4.2 DOWNLOADING NVRAM DATA (SP5-825) ................................5-134
5.5 SELF-DIAGNOSTIC MODE ..................................................................5-135
5.5.1 SELF-DIAGNOSTIC MODE AT POWER ON ...............................5-135
5.5.2 DETAILED SELF-DIAGNOSTIC MODE .......................................5-136
Executing Detailed Self-Diagnosis....................................................5-136
5.6 USER PROGRAM MODE .....................................................................5-138
5.6.1 HOW TO USE UP MODE.............................................................5-138
UP Mode Initial Screen: User Tools/Counter Display........................5-138
System Settings................................................................................ 5-138
Copier/Document Server Features ...................................................5-139
Printer, Facsimile, Scanner Settings................................................. 5-139
Counter .............................................................................................5-140
5.7 DIP SWITCHES.....................................................................................5-141
5.8 USING THE DEBUG LOG..................................................................... 5-142
5.8.1 SWITCHING ON AND SETTING UP SAVE DEBUG LOG ...........5-142
5.8.2 RETRIEVING THE DEBUG LOG FROM THE HDD....................5-146
5.8.3 RECORDING ERRORS MANUALLY ...........................................5-146
5.8.4 NEW DEBUG LOG CODES .........................................................5-147
SP5857-015 Copy SD Card-to-SD Card: Any Desired Key ..............5-147
SP5857-016 Create a File on HDD to Store a Log ...........................5-147
SP5857-017 Create a File on SD Card to Store a Log .....................5-147
DETAILED SECTION DESCRIPTIONS
6. DETAILED SECTION DESCRIPTIONS ....................................... 6-1
6.1 OVERVIEW ...............................................................................................6-1
6.1.1 COMPONENT LAYOUT ...................................................................6-1
6.1.2 PAPER PATH...................................................................................6-3
6.1.3 DRIVE LAYOUT ...............................................................................6-4
6.2 BOARD STRUCTURE............................................................................... 6-5
6.2.1 BLOCK DIAGRAM............................................................................6-5
6.2.2 CONTROLLER .................................................................................6-7
6.3 COPY PROCESS OVERVIEW................................................................6-11
Exposure.............................................................................................6-11
Drum charge .......................................................................................6-11
Laser exposure ...................................................................................6-11
Development....................................................................................... 6-11
Image transfer.....................................................................................6-12
Separation ..........................................................................................6-12
ID sensor ............................................................................................6-12
Cleaning..............................................................................................6-12
Quenching ..........................................................................................6-12
Cleaning..............................................................................................6-12
6.4 SCANNING..............................................................................................6-13
6.4.1 OVERVIEW .................................................................................... 6-13
B264/B265 vi SM
6.4.2 SCANNER DRIVE ..........................................................................6-14
Book Mode..........................................................................................6-14
ADF mode...........................................................................................6-14
6.4.3 ORIGINAL SIZE DETECTION IN PLATEN MODE......................... 6-15
6.5 IMAGE PROCESSING ............................................................................6-17
6.5.1 OVERVIEW .................................................................................... 6-17
6.5.2 SBU (SENSOR BOARD UNIT)....................................................... 6-18
6.5.3 AUTO IMAGE DENSITY (ADS)...................................................... 6-19
6.5.4 IPU (IMAGE PROCESSING UNIT).................................................6-20
Overview.............................................................................................6-20
6.5.5 IMAGE PROCESSING MODES .....................................................6-21
6.5.6 SUMMARY OF IMAGE PROCESSING FUNCTIONS ....................6-23
6.5.7 IMAGE PROCESSING STEPS AND RELATED SP MODES.........6-24
Text Mode...........................................................................................6-24
Text/Photo Mode ................................................................................6-25
Photo Mode ........................................................................................6-26
Pale (Low-Density Mode)....................................................................6-27
Generation Copy Mode.......................................................................6-28
6.5.8 PRE-FILTERING ............................................................................6-29
6.5.9 BACKGROUND ERASE.................................................................6-30
6.5.10 INDEPENDENT DOT ERASE ......................................................6-31
6.5.11 LINE WIDTH CORRECTION........................................................6-32
6.5.12 FILTERING...................................................................................6-33
Interactive SP Codes ..........................................................................6-33
Text Mode MTF Filter..........................................................................6-38
Text/Photo, Photo Mode Filter ............................................................6-39
Pale, Generation Mode Filter ..............................................................6-40
Photo Mode Smoothing for Dithering..................................................6-41
Photo Mode Grayscale .......................................................................6-41
Photo Mode Image Quality .................................................................6-42
6.5.13 OTHERS.......................................................................................6-43
Vertical Black Line Correction.............................................................6-43
Density Settings..................................................................................6-43
ADS Level...........................................................................................6-44
6.5.14 PRACTICAL APPLICATION OF SP MODES ...............................6-45
Solving Problems................................................................................ 6-45
Recommended Settings for MTF Filters .............................................6-46
6.6 LASER EXPOSURE................................................................................6-48
6.6.1 OVERVIEW .................................................................................... 6-48
6.6.2 AUTO POWER CONTROL (APC).................................................. 6-49
6.6.3 DUAL BEAM WRITING ..................................................................6-50
6.6.4 LASER BEAM PITCH CHANGE MECHANISM.............................. 6-51
6.6.5 LD SAFETY SWITCHES ................................................................6-52
6.7 PHOTOCONDUCTOR UNIT (PCU) ........................................................6-53
6.7.1 OVERVIEW .................................................................................... 6-53
6.7.2 DRUM CLEANING..........................................................................6-54
6.7.3 DRIVE MECHANISM......................................................................6-55
6.7.4 DRUM PAWLS ...............................................................................6-55
6.7.5 DRUM TONER SEALS...................................................................6-55
SM vii B264/B265
6.8 DRUM CHARGE .....................................................................................6-56
6.8.1 OVERVIEW .................................................................................... 6-56
6.8.2 CHARGE ROLLER VOLTAGE CORRECTION ..............................6-57
Correction for Environmental Conditions ............................................6-57
6.8.3 CORRECTION FOR PAPER WIDTH AND THICKNESS ...............6-58
6.8.4 ID SENSOR PATTERN PRODUCTION TIMING............................ 6-59
6.8.5 DRUM CHARGE ROLLER CLEANING ..........................................6-59
6.9 DEVELOPMENT .....................................................................................6-60
6.9.1 OVERVIEW .................................................................................... 6-60
6.9.2 DRIVE MECHANISM......................................................................6-61
6.9.3 DEVELOPER MIXING ....................................................................6-61
6.9.4 DEVELOPMENT BIAS ...................................................................6-62
Mechanism .........................................................................................6-62
Correction for paper width and thickness (by-pass tray only) .............6-62
6.9.5 TONER SUPPLY............................................................................ 6-63
Toner bottle replenishment mechanism ..............................................6-63
Toner supply mechanism....................................................................6-64
Toner Scatter Prevention ....................................................................6-65
Sensor Control Mode..........................................................................6-66
Image Pixel Count Mode.....................................................................6-67
6.9.6 TONER NEAR END/END DETECTION .........................................6-67
Toner Near End ..................................................................................6-67
Toner End ...........................................................................................6-67
6.9.7 TONER END RECOVERY .............................................................6-68
6.9.8 TONER SUPPLY WITH ABNORMAL SENSORS ..........................6-68
6.10 DRUM CLEANING AND TONER RECYCLING.....................................6-69
6.10.1 DRUM CLEANING........................................................................6-69
6.10.2 TONER RECYCLING ...................................................................6-69
6.11 PAPER FEED........................................................................................6-70
6.11.1 OVERVIEW ..................................................................................6-70
6.11.2 PAPER FEED DRIVE ...................................................................6-71
6.11.3 PICK-UP AND SEPARATION ROLLER
RELEASE MECHANISM .............................................................6-71
6.11.4 PAPER LIFT .................................................................................6-72
6.11.5 PAPER END DETECTION ........................................................... 6-73
6.11.6 PAPER REGISTRATION..............................................................6-74
6.11.7 PAPER SIZE DETECTION...........................................................6-75
6.12 BY-PASS TRAY ....................................................................................6-76
6.12.1 OVERVIEW ..................................................................................6-76
6.12.2 BY-PASS TRAY OPERATION .....................................................6-77
6.12.3 BY-PASS PAPER SIZE DETECTION ..........................................6-78
6.13 DUPLEX UNIT.......................................................................................6-79
6.13.1 OVERVIEW ..................................................................................6-79
6.13.2 DUPLEX DRIVE LAYOUT ............................................................6-80
6.13.3 DUPLEX BASIC OPERATION .....................................................6-81
Longer than A4 lengthwise/LT lengthwise ..........................................6-81
Up to A4 lengthwise/LT lengthwise.....................................................6-81
6.13.4 DUPLEX UNIT FEED IN AND EXIT MECHANISM.......................6-82
Feed-in................................................................................................6-82
B264/B265 viii SM
Inversion and Exit ...............................................................................6-82
6.14 IMAGE TRANSFER AND PAPER SEPARATION .................................6-83
6.14.1 OVERVIEW ..................................................................................6-83
6.14.2 BELT DRIVE MECHANISM.......................................................... 6-84
6.14.3 TRANSFER BELT UNIT CONTACT MECHANISM ......................6-84
6.14.4 IMAGE TRANSFER AND PAPER
SEPARATION MECHANISM........................................................ 6-85
6.14.5 TRANSFER BELT CHARGE ........................................................6-86
Mechanism .........................................................................................6-86
Correction for paper width and thickness............................................6-87
Currents applied to leading edge, image areas - by-pass feed...........6-88
6.14.6 TRANSFER BELT CLEANING MECHANISM .............................. 6-89
6.15 IMAGE FUSING AND PAPER EXIT......................................................6-90
6.15.1 OVERVIEW ..................................................................................6-90
6.15.2 FUSING DRIVE ............................................................................6-91
6.15.3 FUSING DRIVE RELEASE MECHANISM....................................6-91
6.15.4 FUSING ENTRANCE GUIDE SHIFT MECHANISM .....................6-92
6.15.5 EXIT GUIDE PLATE AND DE-CURLER ROLLERS.....................6-92
6.15.6 PRESSURE ROLLER...................................................................6-93
6.15.7 CLEANING MECHANISM ............................................................6-94
6.15.8 HOT ROLLER STRIPPER CLEANING.........................................6-95
Small Jobs .......................................................................................... 6-95
Medium Jobs ......................................................................................6-96
Large Jobs ..........................................................................................6-96
SP Settings for Post-Job Cleaning...................................................... 6-97
6.15.9 FUSING TEMPERATURE CONTROL..........................................6-98
Temperature Control...........................................................................6-99
Fusing Idling Temperature ................................................................6-100
6.15.10 CPM DOWN FOR THICK PAPER ............................................6-101
6.15.11 COOLING AND OVERHEAT PROTECTION ...........................6-102
6.15.12 OVERHEAT PROTECTION .....................................................6-103
6.16 ENERGY SAVER MODES ..................................................................6-104
6.16.1 OVERVIEW ................................................................................6-104
6.16.2 ENERGY SAVER MODE............................................................6-105
Entering the energy saver mode....................................................... 6-105
What happens in energy saver mode ...............................................6-105
Return to stand-by mode ..................................................................6-105
6.16.3 AUTO OFF MODE...................................................................... 6-106
Entering off stand-by and off modes .................................................6-106
Off Stand-by mode............................................................................6-106
Off Mode ...........................................................................................6-107
Returning to stand-by mode.............................................................. 6-107
SPECIFICATIONS
SPECIFICATIONS............................................................................. 7-1
1. GENERAL SPECIFICATIONS.....................................................................7-1
2. MACHINE CONFIGURATION.....................................................................7-3
SM ix B264/B265
3. OPTIONAL EQUIPMENT ...........................................................................7-5
PUNCH UNIT B377
SEE SECTION B377 FOR DETAILED TABLE OF CONTENTS
1000-SHEET FINISHER B408
SEE SECTION B408 FOR DETAILED TABLE OF CONTENTS
BRIDGE UNIT B538
SEE SECTION B538 FOR DETAILED TABLE OF CONTENTS
PAPER TRAY UNIT B542
SEE SECTION B542 FOR DETAILED TABLE OF CONTENTS
LARGE CAPACITY TRAY B543
SEE SECTION B543 FOR DETAILED TABLE OF CONTENTS
1-BIN TRAY B544
SEE SECTION B544 FOR DETAILED TABLE OF CONTENTS
TWO-TRAY FINISHER B545
SEE SECTION B545 FOR DETAILED TABLE OF CONTENTS
BOOKLET FINISHER B546
SEE SECTION B546 FOR DETAILED TABLE OF CONTENTS
AUTO REVERSE DOCUMENT FEEDER B714
SEE SECTION B714 FOR DETAILED TABLE OF CONTENTS
FAX OPTION B779
SEE SECTION B779 FOR DETAILED TABLE OF CONTENTS
PRINTER/SCANNER OPTION B783
SEE SECTION B783 FOR DETAILED TABLE OF CONTENTS
B264/B265 x SM
IIMPORTANT SAFETY NOTICES
PREVENTION OF PHYSICAL INJURY
1. Before disassembling or assembling parts of the copier and peripherals,
make sure that the copier power cord is unplugged.
2. The wall outlet should be near the copier and easily accessible.
3. Note that some components of the copier and the paper tray unit are
supplied with electrical voltage even if the main power switch is turned off.
4. If any adjustment or operation check has to be made with exterior covers off
or open while the main switch is turned on, keep hands away from electrified
or mechanically driven components.
5. If the Start key is pressed before the copier completes the warm-up period
(the Start key starts blinking red and green alternatively), keep hands away
from the mechanical and the electrical components as the copier starts
making copies as soon as the warm-up period is completed.
6. The inside and the metal parts of the fusing unit become extremely hot while
the copier is operating. Be careful to avoid touching those components with
your bare hands.
HEALTH SAFETY CONDITIONS
1. Toner and developer are non-toxic, but if you get either of them in your eyes
by accident, it may cause temporary eye discomfort. Try to remove with eye
drops or flush with water as first aid. If unsuccessful, get medical attention.
OBSERVANCE OF ELECTRICAL SAFETY STANDARDS
1. The copier and its peripherals must be installed and maintained by a
customer service representative who has completed the training course on
those models.
2. The NVRAM on the system control board has a lithium battery which can
explode if replaced incorrectly. Replace the NVRAM only with an identical
one. The manufacturer recommends replacing the entire NVRAM. Do not
recharge or burn this battery. Used NVRAM must be handled in accordance
with local regulations.
1. SAFETY AND ECOLOGICAL NOTES FOR DISPOSAL
Do not incinerate toner bottles or used toner. Toner dust may ignite
suddenly when exposed to an open flame.
2. Dispose of used toner, developer, and organic photoconductors in
accordance with local regulations. (These are non-toxic supplies.)
3. Dispose of replaced parts in accordance with local regulations.
4. When keeping used lithium batteries in order to dispose of them later, do not
put more than 100 batteries per sealed box. Storing larger numbers or not
sealing them apart may lead to chemical reactions and heat build-up.
LASER SAFETY
The Center for Devices and Radiological Health (CDRH) prohibits the repair of
laser-based optical units in the field. The optical housing unit can only be repaired
in a factory or at a location with the requisite equipment. The laser subsystem is
replaceable in the field by a qualified Customer Engineer. The laser chassis is not
repairable in the field. Customer engineers are therefore directed to return all
chassis and laser subsystems to the factory or service depot when replacement of
the optical subsystem is required.
WARNING
Use of controls, or adjustment, or performance of procedures other than
those specified in this manual may result in hazardous radiation exposure.
WARNING
WARNING: Turn off the main switch before attempting any of the
procedures in the Laser Unit section. Laser beams can seriously damage
your eyes.
CAUTION MARKING:
CAUTION
VORSICHT
>PS<
CATION-CLASS 3B LASER RADIATION
WHEN OPEN
AVOID EXPOSURE TO THE BEAM
VORSICHT-LASERSTRAHLUNG KLASSE 3B
WENN ABDECKUN G GEOFFNET
NICHT DEM STRAHL AUSSETZEN
3BLASERCAUTION.WMF
Conventions Used in this Manual
This manual uses several symbols.
Symbol What it means
Refer to section number
See Core Tech Manual for
details
Screw
Connector
E-ring
Clip ring
Clamp
Lengthwise, SEF
(Short Edge Feed)
Sideways, LEF
(Long Edge Feed)
Cautions, Notes, etc.
The following headings provide special information:
WARNING
FAILURE TO OBEY WARNING INFORMATION COULD RESULT IN SERIOUS INJURY OR
DEATH
.
CAUTION
Obey these guidelines to ensure safe operation and prevent minor injuries.
NOTE: This information provides tips and advice about how to best service the
machine.
INSTALLATION
AUTO REVERSE DOCUMENT FEEDER B714
FAX OPT ION B 7 79
PREVENTIVE MAINTENANCE
PAPER TRAY UNIT B542
REPLACEMENT AND ADJUSTMENT
LARGE CAPACITY TRAY B543
TROUBLESHOOTING
PUNCH UNIT B377
1000-SHEET FINISHER B408
TWO-TRAY FINISHER B545
BOOKLET FINISHER B546
PRINTER/SCANNER OPTION B783
TAB
POSITION 1
TAB
POSITION 2
TAB
POSITION 3
TAB
POSITION 4
SERVICE TABLES
DETAILED DESCRIPTIONS
SPECIFICATIONS
1-BIN TRAY B544
BRIDGE UNIT B538
TAB
POSITION 5
TAB
POSITION 6
TAB
POSITION 7
TAB
POSITION 8
INSTALLATION
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