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Make/Model Information:

  • Brand:   Xerox
  • Models included:
    • Xerox Phaser 7760

File Information:

  • Type:   Factory Service Manual (FSM)
  • Language:   English (EN)
  • Number of pages:   914
  • File size:  ∼ 83.30  MB
  • File Format:   PDF only
  • SME Watermarks:   None
  • Password lock:   No
  • Edit/copy/modify:   Yes
  • SKU:   BMXX-1063

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705P01119
March 2006
Phaser® 7760 Color Laser Printer
Service Manual
March 2006
i Phaser® 7760 Color Laser Printer
Introduction Launch
Introduction
About this Manual
Organization
How to Use this Documentation
Power Safety Precautions
Service Safety Summary
Electrostatic Discharge (ESD) Precautions
Symbology and Nomenclature
Regulatory Specifications
Phaser 7760 Printer Introduction and Overview
Phaser 7760 Printer Configurations
Parts of the Printer
Phaser 7760 Control Panel Configuration
Image Processor Board and Rear Panel Host Interface
Printer Options
Routine Maintenance Items and Consumables
Specifications
Prohibited Media
Glossary of Terms
March 2006
1-1 Phaser® 7760 Color Laser Printer
Service Call Procedures Launch
1 Service Call Procedures
Service Call Procedures
Detailed Maintenance Activities (High Frequency Service Items - HFSI)
Cleaning Procedures
Cleaning Materials
Common Tools
March 2006
2-1 Phaser® 7760 Color Laser Printer
Status Indicator RAPs Launch
2 Chain 1
01.300, 01-516 Left Cover (Door A) Open
01.301, 01-511 Left Lower Cover (Door B) Open
01.302, 01-510 Front Cover Door Open
01.303, 01-509 Tray Module Left Door (Door C) Open
01.306, 01-514 Duplex Door
01-540.01 Tray 1 (MPT) Paper Size Changed
01-540.2 Tray 3 Paper Size
01-540.3 Tray 4 Paper Size
01-540.04 Tray 5 Paper Size
01-540.05 Tray 1 (MPT) Paper Size
01-545.01 Tray 2 Paper Size Sensor
01-545.02 Tray 3 Paper Size Sensor
01-545.03 Tray 4 (HCF) Paper Size Sensor
01-545.04 Tray 5 (HCF) Paper Size Sensor
2 Chain 2
02-707, 02-585 Control Panel Button Fail
2 Chain 3
03-578 Paper Tray Error
03-587 Paper Tray 2 Not Available
03-588 Paper Tray 3 Not Available
03-589 Paper Tray 4 not Available
03-590 Paper Tray 5 not Available
03-594 Tray 1 (MPT) Broken
03.777, 03-546 Power Loss Detected
03.946, 07-514.01 Tray 2 Out Of Place
03.947, 07-514.02 Tray 3 Out Of Place
03.948, 07-514.03 Tray 4 Out Of Place
03.949, 07-514.04 Tray 5 Out Of Place
03.950, 07-544 Tray 2 No Paper
03.951, 07-545 Tray 3 No Paper
03.952, 07-533 Tray 4 No Paper
03.953, 07-534 Tray 5 No Paper
03.954, 07-535 Bypass Tray 1 (MPT) No Paper
03.958 Tray 1 (MPT) Size Mismatch
03.959, 01-545.01 Tray 2 Size Mismatch
03.960, 01-545.02 Tray 3 Size Mismatch
03.961, 01-545.03 Tray 4 Size Mismatch
03.962, 01-545.04 Tray 5 Size Mismatch
03.985, 01-540.01 Tray 1 (MPT) Paper Size
2 Chain 4
04.322 Main Motor Failure
04.340, 04-561 Printer RAM Failure or Flash ROM Limit Failure
04.341, 04-561 Printer Logic Failure or Flash ROM Read Write
04.344, 04-561 Printer Micro Pitch
04.345, 04-561 MCU/HVPS Communication
04.346, 04-562 Accumulator Belt Home Position Fail Too Long or Out of Position
04.348, 04-562 IBT Belt Edge
04.349, 04-561 Marking Software Logic
04.350 Printer Video Failure
04.351 Printer Xerographics Failure
04.352, 04.354, 04.358 Printer Communications Failure
04.353 Printer Paper Handling Failure
04.358 Printer Communication Failure
04.361, 04-560 Imaging Unit Motor
04.362, 04-561 Printer NVM Read Write
04.363, 04-560 K Imaging Unit Motor Failure
04.371, 04-561 Printer Controller Timing Failure
04.376 Zero Crossing Signal Not Detected
04.414, 04-516 IBT Belt Cleaner
04.415, 04-517 2nd BTR Unit
04.417 Transfer Belt Assembly
04.420 Transfer Belt Assembly
04.421, 04-515 IBT Belt Cleaner Life End
04.435 HVPS Comm. Fail
04.605 Printer NVRAM Corrupt
04.640 Belt Tracking
04.641 Belt Edge Not Detected
04.642 Belt Edge Not in Position
04.650 Printer Cycle Down Time Out
2 Chain 6
06.372, 06-515 ROS Polygon Motor
06.380, 06-515 ROS SOS Y, M, C, K Length Failure
06.385, 06-515 ROS ASIC
2 Chain 7
07.104, 07-502 Tray 2 Feed Out Sensor
07.105, 07-503 Tray 2 Misfeed
07.110, 07-504 Tray 3 Misfeed
07.115, 07-501 Tray 4 Misfeed (TTM)
07.117, 07-506 Tray 4 Misfeed (3TM)
07.119, 07-507 Tray 5 Misfeed (TTM)
07.120, 07-508 Tray 5 Misfeed (3TM)
07.122, 07-509 Tray 5 Opened (TTM)
07.250, 07-542 Tray Module Communication Fail
07.270, 03-587 Tray 2 Size Sensor
07.271, 03-588 Tray 3 Size Sensor
07.272, 03-589 Tray 4 Size Sensor (3TM)
07.273, 03-590 Tray 5 Size Sensor (3TM)
07.274, 03-594 Tray 1 (MPT) Size Sensor
07.276, 03-589 Tray 4 Size Sensor (TTM)
07.277, 03-590 Tray 5 Size Sensor (TTM)
07.281, 03-587 Tray 2, 3, 4, 5 Lift Failure
07.293, 03-590 Tray 5 Lift (TTM)
07.401 - 07.409 Tray 1, 2, 3, 4 Feed Roller Near Life or Feed Roller Life End
07.930 Tray 2 Paper Size Mismatch
07.931 Tray 3 Paper Size Mismatch
07.932 Tray 4 Paper Size Mismatch
07.933 Tray 5 Paper Size Mismatch
07.935, 03-578 Job Continue Not Available
March 2006
2-2 Phaser® 7760 Color Laser Printer
Launch Status Indicator RAPs
07.954, 01-540.05 Tray 1 (MPT) Size Mismatch (Slow Scan Direction)
07.959, 07-513, 07-517 Tray 1 Paper Mismatch 1
07.960, 1-540.05 Tray 1 (MPT) Paper Mismatch 2
07.969, 07-511 Full Paper Stack
2 Chain 8
08.149, 07-543 (3TM) Tray 4 Takeaway Sensor On
08.150, 07-543 (3TM) Tray 5 Takeaway Sensor On
08.151, 07-543 Tray 4 Takeaway Sensor On
08.152, 07-543 Tray 5 Takeaway Sensor On
08.164, 07-529, 07-536 POB Sensor
08.175, 07-513, 05-517 Registration Sensor On Jam Tray 1
08.176, 07-531, 07-536 Registration Sensor On Jam Tray 1-4
08.180, 07-526 Registration Sensor On Duplex
08.181, 07-527 Registration Sensor On Wait Sensor
08.184, 07-532, 07-536 Registration Sensor Off
08.620 RegiCon Temp Sensor
08.622 RegiCon Data Overflow (A1 Patch X)
08.623 Regicon Data Overflow (A2 Patch Y)
08.624 Regicon Data Overflow (Patch Magnification)
08.625 Regicon Sample Block (A1 Patch-rear)
08.626 Regicon Sample Block (A1 Patch-front)
08.627 Regicon Sample Lateral (A1 Patch-rear)
08.628 Regicon Sample Lateral (A1 Patch-front)
08.629 Regicon Skew (Patch Y)
08.630 Regicon Skew (Patch M)
08.631 Regicon Skew (Patch K)
08.900, 07-528 Static Jam
2 Chain 9
09.330 Developer Drive Motor Fail
09.342, 09-548 2nd BTR Contact or Retract Failure
09.348, 09-548 1st BTR Contact
09.350, 09-548 IBT Home Sensor
09.351, 09-548 Accumulator Belt Drive Logic Failure
09.358, 09-552 Waste Cartridge Full Toner Sensor Failure
09.360, 09-556 Y, M, C, K Imaging Units Communication Failure
09.380, 09-548 Y, M, C, K ATC Sensor Failure
09.390, 09-549 New Black Toner Cartridge
09.391, 09-549 New Cyan Toner Cartridge
09.392, 09-549 New Magenta Toner Cartridge
09.393, 09-549 New Yellow Toner Cartridge
09.408, 09-508 Waste Toner Cartridge Near Full
09.409 Waste Toner Cartridge
09.410, 09-565 Yellow Toner Cartridge Near Empty
09.411, 09-566 Magenta Toner Cartridge Near Empty
09.412, 09-567 Cyan Toner Cartridge Near Empty
09.413, 09-568 Black Toner Cartridge Near Empty
09.428, 09-594 Change Black Imaging Unit Soon
09.429, 09-591 Change Yellow Imaging Unit Soon
09.430, 09-592 Change Magenta Imaging Unit Soon
09.431, 09-593 Change Cyan Imaging Unit Soon
09.432 Yellow Imaging Unit Replaced
09.433 Magenta Imaging Unit Replaced
09.434 Cyan Imaging Unit Replaced
09.435 Black Imaging Unit Replaced
09.446 Black Imaging Unit End of Life
09.447 Cyan Imaging Unit End of Life
09.448 Magenta Imaging Unit End of Life
09.449 Yellow Imaging Unit End of Life
09.451-09.459 C, M, Y, K Dev Near Life or Dev Near Life End
09.654 ADC Sensor
09.660 Environment Sensor Temperature
09.661 Environment Sensor Temperature
09.670 New Black Toner Cartridge Detected
09.671 New Cyan Toner Cartridge Detected
09.672 New Magenta Toner Cartridge Detected
09.673 New Yellow Toner Cartridge Detected
09.684 ADC Shutter
09.695 Failure Position Judgement
09.910, 09-503 Black Imaging Unit Type Mismatch
09.911, 09-504 Cyan Imaging Unit Type Mismatch
09.912, 09-505 Magenta Imaging Unit Type Mismatch
09.913, 09-5065 Yellow Imaging Unit Type Mismatch
09.920, 09-596 Yellow Toner Cartridge Empty
09.921, 09-586 Magenta Toner Cartridge Empty
09.922, 09-587 Cyan Toner Cartridge Empty
09.923, 09-588 Black Toner Cartridge Empty
09.924, 09-589 Waste Toner Cartridge Full
09.925, 09-590 Waste Toner Cartridge Installation
09.930, 09-553 Black Imaging Unit Not Detected
09.931, 09-554 Cyan Imaging Unit Not Detected
09.932, 09-555 Magenta Imaging Unit Not Detected
09.933, 09-556 Yellow Imaging Unit Not Detected
2 Chain 10
10.105, 07-532 Fuser Exit Switch On
10.106, 07-532 Fuser Exit Switch Off
10.110, 07-532, 07-536 Printer Exit Sensor On
10.111, 07-532, 07-536 Printer Exit Sensor Off
10.125, 07-527 Duplex Wait Sensor On
10.348, 10-527 Fuser Main Lamp Failure
10.349, 10-527 Front Thermistor Open
10.350, 10-527 Fuser Sub Lamp Heat Failure
10.351, 10-527 Rear Thermistor Open
10.352, 10-527 Front Time Warm Up Failure or SSR1 On Time Failure
10.354, 10-527 Fuser STS (Rear) Warm Time Failure or Fuser SSR2 On Time Failure 2-177
10.391 LVPS Fan Fail
10.392 Rear Cooling Fan Fail
10.398, 10-527 Fuser Fan Failure
10.420, 10-524 Fuser Near End Of Life
10.421, 10-523 Fuser End Of Life
10-505 Fuser Warm Up
10.600 Bottom, Developer Fan Fail
March 2006
2-3 Phaser® 7760 Color Laser Printer
Status Indicator RAPs Launch
2 Chain 12 A/P Finisher
12-112, 12-576, 12-577 H-Transport Entrance Sensor On Jam
12-113 Booklet In Sensor On Jam
12-114 Booklet In Sensor OFF Jam
12-115 Booklet Folder Roll Exit Sensor On Jam
12-123 H-Transport Tray Exit Sensor On Jam
12-124 H-Transport Top Tray Exit Sensor Off Jam
12-125 Gate Sensor On Jam
12-132 Xport Entrance Sensor On Jam
12-142 Buffer Path Sensor On Jam
12-151 Compile Exit Sensor OFF Jam
12-152 Compile Exit Sensor ON Jam
12-161 Set Eject Jam
12-162 H-Transport Exit Sensor On Jam
12-171 Top Tray Exit Sensor ON Jam
12-172 Top Tray Exit Sensor Off Jam
12-180 Booklet Folder Roll Exit Sensor Off Jam
12-211, 12-576, 12-577 Stacker Tray Fail
12-212, 12-576, 12-577 Stacker Upper Limit Fail
12-213, 12-576, 12-577 Stacker Lower Limit Fail
12-221, 12-576, 12-577 Front Tamper Home Sensor On Fail
12-223, 12-576, 12-577 Front Tamper Home Sensor Off Fail
12-224, 12-576, 12-577 Rear Tamper Home Sensor Off Fail
12-225, 12-518 Booklet Tamper F Home Sensor ON Fail
12-226, 12-518 Booklet Tamper F Home Sensor OFF Fail
12-227, 12-518 Booklet End Guide Home Sensor OFF Fail
12-228, 12-518 Booklet End Guide Home Sensor ON Fail
12-229, 12-518 Booklet Tamper R Home Sensor ON Fail
12-230, 12-518 Booklet Tamper R Home Sensor OFF Fail
12-231, 12-521 Puncher Home Sensor ON Fail
12-232, 12-521 Puncher Home Sensor OFF Fail
12-233, 12-521 Puncher Move Home Sensor ON Fail
12-234, 12-521 Puncher Move Home Sensor OFF Fail
12-243, 12-518 Booklet Knife Home Sensor ON Fail
12-246, 12-518 Booklet Stapler FAIL
12-247, 12-579 Side Regi Sensor OFF Fail
12-258, 12-581 Booklet Broken
12-260, 12-576, 12-577 Eject Clamp Home Sensor On Fail
12-261, 12-518 Booklet Knife Folding Sensor Fail
12-263, 12-576, 12-577 Rear Tamper Home Sensor On Fail
12-264, 12-518 Booklet Drawer Broken Fail
12-265, 12-518 Booklet Knife Home Sensor OFF Fail
12-266, 12-518 Booklet Compiler No Paper Sensor Fail
12-269, 12-518 Booklet Sub-CPU Communications Fail
12-282, 12-576, 12-577 Eject Clamp Home Sensor Off Fail
12-283 Set Clamp Home Sensor On Fail
12-284, 12-576, 12-577 Set Clamp Home Sensor Off Fail
12-286, 12-521 Decurler Home Sensor On Fail
12-287, 12-521 Decurler Home Sensor Off Fail
12-291, 12-576, 12-577 Stapler FAIL
12-295, 12-576, 12-577 Stapler Move Position Sensor On Fail
12-296, 12-576, 12-577 Stapler Move Position Sensor Off Fail
12-300, 12-560 Eject Cover Open
12-302, 12-564 Finisher Front Door Interlock OPEN (A/P Finisher)
12-303, 12-566 H-Transport Cover Open
12-307, 12-562 Booklet Drawer Set Fail
12-350, 12-521 Finisher Communication Fail
12-900 Paper at Buffer Path Sensor
12-901 Paper at H-Transport Entrance Sensor (A/P Finisher)
12-902 Paper at H-Transport Exit Sensor
12-903 Paper at Compiler Exit Sensor (Finisher)
12-905 Paper Remains at Compiler Tray Paper Sensor
12-906 Paper at H-Transport Tray Exit Sensor
12-907 Paper at Top Tray Exit Sensor
12-910, 12-537 Staple Ready Sensor Fail
12-916 Stapler NG
12-920 Paper at Gate Sensor (Top Tray Job)
12-921 Paper at Gate Sensor (Compiler Path Job)
12-922 Paper at Gate Sensor (Buffer Path Job)
12-925, 12-533, 12-574 Stacker Lower Safety Warning
12-936 Jam at Booklet In Sensor
12-935 Paper at Xport Entrance Sensor
12-936 Paper Remains at Booklet Sensor A
12-944, 12-533, 12-574 Stacker Set Over Full
12-945, 12-525 Low Staples
12-946, 12-530 Top Tray Full
12-948 Puncher Waste Bin Nearly Full
12-949, 12-529 Puncher Waste Bin Open/Reseat Punch Box
12-959, 12-533, 12-574 Full Stack was Detected
12-960, 12-533, 12-574 Full Stack was detected (Finisher)
12-961, 12-533, 12-574 Mix Stack was Detected
12-978, 12-518 Booklet Stapler NG
12-983, 12-582 Booklet Tray Full was detected
12-984, 12-583 Booklet Low Staple F
12-989, 12-584 Booklet Low Staple R
2 Chain 13 A/P Finisher
13-902 Paper remains at Booklet Compiler No Paper Sensor
13-903 Paper remain at Booklet Folder Roll Exit Sensor
2 Other Faults
OF 1-4 AC Input Power
OF 7-1 Paper Trays
OF 10-1 No Printer Top Tray Offset
OF 10-16 Noise/Odor RAP
OF 12-1 Finisher Problem
OF 99-3 Switch
OF 99-4 Generic Solenoid/Clutch
OF 99-6 2 Wire Motor Open
OF 99-7 2 Wire Motor On
OF 99-8 Set Gate Solenoid Open
OF 99-9 Multiple Wire Motor
March 2006
3-1 Phaser® 7760 Color Laser Printer
Image Quality Launch
3 Image Quality
Print-Quality Problems Overview
Control Panel Test Prints
Engine Test Prints
Initial Actions Before Troubleshooting
March 2006
2-266 Phaser® 7760 Color Laser Printer 12-261, 12-518 Booklet Knife Folding Sensor Fail
Launch Status Indicator RAPs
Figure 1 Booklet Knife
March 2006
4-2 Phaser® 7760 Color Laser Printer
Launch Repairs and Adjustments
REP 12.64 Finisher Buffer Roll
REP 12.65 Finisher Bottom Buffer Chute Assembly
REP 12.66 Finisher H-Transport Drive Belt
REP 12.67 Finisher Eject Chute Assembly
REP 12.68 Finisher PWB
REP 12.69 Gear Replacement
4 Covers
REP 14.1 Top Cover
REP 14.2 Rear Cover
REP 14.3 Right Cover
REP 14.4 Rear Left Middle Cover
REP 14.5 Rear Left Upper Cover
REP 14.6 Left Lower Cover Assembly (Left-Hand Door B)
REP 14.7 Front Cover Assembly
REP 14.8 Fuser Cover
REP 14.9 Rear Cover (Tray Module)
REP 14.10 Inner Cover
REP 14.11 Left Cover Assembly (Left-Hand Door C)
REP 14.12 Left Lower Cover (Left-Hand Door C)
4 Adjustments - Xerographic/Registration
ADJ 9.1 Belt Edge Learn
ADJ 9.2 ATC Sensor Setup
ADJ 9.3 TRC Adjust
ADJ 9.4 ADC Output Check
ADJ 9.5 Tone Up/Down
ADJ 9.6 Laser Power Check
ADJ 9.7 PWM Mapping Data Read
ADJ 9.8 Coarse RegiCon Initialization
ADJ 9.9 Registration Control (RegiCon) Adjustment Overview
ADJ 9.10 RegiCon Adjustment
ADJ 9.11 RegiCon #1 Fine Skew Adjustment
ADJ 9.12 RegiCon #2 In/Out Skew Adjustment
ADJ 9.13 RegiCon #3 Center Skew Adjustment
ADJ 9.14 RegiCon #4 Coarse Skew Adjustment
ADJ 9.15 Finisher Folder Position
4 Adjustments - Finisher
ADJ 12.2 Finisher Leveling
ADJ 12.4 Booklet Fold Skew
ADJ 12.5 Booklet Fold Position
ADJ 12.6 Booklet Staple Position (Staple on Fold)
ADJ 12.7 Booklet Staple Alignment
ADJ 12.8 Finisher Booklet Wrinkle
ADJ 12.9 Booklet Fold Position (Fine Adjustment)
ADJ 12.10 Booklet Staple Position (Staple on Fold Fine Adjustment)
March 2006
5-1 Phaser® 7760 Color Laser Printer
Parts List Launch
5 Overview
Introduction
Subsystem Information
Parts Lists
Drives
PL 1.1 Drive Unit
PL 1.2 Main Drive Motor Assembly
PL 1.3 IBT Steering Motor and MOB Sensor
Paper Transportation
PL 2.1 Tray 2
PL 2.3 Tray 2 Feeder and Left Lower Cover Assembly (Left Hand Door B Assembly) .. 5-9
PL 2.4 Tray 2 Feeder: 1 of 2
PL 2.5 Tray 2 Feeder: 2 of 2
PL 2.6 Registration Transport
PL 2.7 Left Cover Unit (Left Hand Door A)
PL 2.8 Left Cover Assembly (Left Hand Door A): 1 of 2
PL 2.9 Left Cover Assembly: 2 of 2
PL 2.10 Exit Transport Assembly
PL 2.11 Tray 1 (MPT): 1 of 2
PL 2.12 Tray 1: 2 of 2
PL 2.13 Tray 1 (MPT) Feed Assembly
PL 3.1 ROS Assembly
Xerographics
PL 4.1 Xerographic Module: 1 of 2
PL 4.2 Xerographic Module: 2 of 2
Transfer
PL 5.1 Lift Unit
PL 5.2 IBT Unit
PL 5.3 IBT Belt Assembly (Accumulator Belt Assembly)
PL 5.6 IBT Elevator
Development
PL 6.1 Developer Unit: 1 of 2
PL 6.2 Developer Unit: 2 of 2
Fuser
PL 7.1 Fuser Assembly
Air System
PL 8.1 Air System
Electrical Components
PL 9.1 Electrical Components: 1 of 3
PL 9.2 Electrical Components: 2 of 3
PL 9.3 Electrical Components: 3 of 3
Covers
PL 10.1 Front Cover
PL 10.2 Top Covers and Inner Covers
PL 10.3 Rear Cover
Inverter
PL 11.1 Inverter Transport
Duplex Transport
PL 12.1 Duplex Transport Assembly: 1 of 2
IOT Control Chassis
PL 13.1 IOT Control Chassis Assembly
1T 3T Modules
PL 15.1 Tray 3/4/5 Feeders & Paper Trays
PL 15.3 Tray 3 Feeder: 1 of 2
PL 15.4 Tray 3 Feeder: 2 of 2
PL 15.5 Tray 4 Feeder: 1 of 2
PL 15.6 Tray 4 Feeder: 2 of 2
PL 15.7 Tray 5 Feeder: 1 of 2
PL 15.8 Tray 5 Feeder: 2 of 2
PL 15.9 Electrical Components and Casters
PL 15.10 Left Cover Assembly
PL 15.11 Covers
Tray Module - TT
PL 16.1 Tray 3/4/5 Assembly
PL 16.3 Tray 4
PL 16.4 Tray 5
PL 16.5 Paper Feeder: 1 of 2
PL 16.6 Paper Feeder: 2 of 2
PL 16.7 Tray 3 Feeder
PL 16.11 Tray 5 Feeder
PL 16.13 Left Cover Assembly (Left Hand Door C)
PL 16.14 Tray 4/5 Lift Gear Assembly
PL 16.15 Electrical Components and Casters
PL 16.16 Covers
A/P Finisher
PL 21.1 A/P Finisher
PL 21.2 Finisher Cover: 1 of 2
PL 21.3 Finisher Cover: 2 of 2
PL 21.4 Finisher Stack
PL 21.5 Finisher Punch
PL 21.6 Finisher Stapler
PL 21.7 Finisher Eject: 1 of 3
PL 21.8 Finisher Eject: 2 of 3
PL 21.9 Finisher Eject: 3 of 3
PL 21.10 Finisher Transport: 1 of 2
PL 21.11 Finisher Transport: 2 of 2
PL 21.12 Finisher Electrical
PL 21.13 Finisher Harness
PL 21.15 Booklet Accessory
PL 21.16 Booklet Component - 1
March 2006
5-2 Phaser® 7760 Color Laser Printer
Launch Parts List
PL 21.17 Booklet Component -2 (End Guide)
PL 21.18 Booklet Component -3
PL 21.19 Booklet Component -4
PL 21.20 Booklet Component -5
PL 21.21 Booklet Component -6 (Chute)
PL 21.22 Booklet Component -7
PL 21.23 Booklet Tray Component
PL 21.24 H - Transport: 1 of 4
PL 21.25 H - Transport: 2 of 4
PL 21.26 H - Transport: 3 of 4
PL 21.27 H - Transport: 4 of 4
Common Hardware
Common Hardware
Kit Part Number
Part Number Index
March 2006
6-1 Phaser® 7760 Color Laser Printer
General Troubleshooting Procedures Launch
6 Control Panel Diagnostics
Introduction
Diagnostic Fault History
Control Panel Diagnostics
Control Panel Troubleshooting
Inoperable Printer
Power Supplies and Interlocks
Media Jams and the Paper Path
Operating System and Application Problems
6 Diagnostics Procedures
Date and Time
Supplies Usage
Resetting NVRAM
Store Engine NVRAM
Clear Tech Rep Faults
Printer Status Page
Configuration Page
Printer Configuration
Engine ROM Version
Test Prints
Reflective Sensor Procedure
Transmissive Sensor Procedure
Developer BIAS
Enable Metered Toner
6 General Procedures
System Startup and POST
Power On Self Test (POST)
POST Faults
Network Diagnostics
Intermittent Problem
Back Channel Traces
6 Change Tag Information
Finisher (F) Tags
March 2006
7-1 Phaser® 7760 Color Laser Printer
Wiring Data Launch
7 Printer Plug/Jack Locations
Printer Plug/Jack Locations
7 Finisher Plug/Jack Locations
Finisher Plug/Jack Locations
7 Wirenets
AC Wirenets
+3.3 VDC / +3.3 VDC Wirenets
+5 VDC Wirenets
+5 VDC RTN Wirenets
+24 VDC Wirenets
+24 VDC RTN Wirenets
Finisher Wirenets
7 BSDs
Chain 01 Main Power
Chain 03 Printer Communication
Chain 04 Print Power
Chain 06 Imaging
Chain 07 Paper Supply
Chain 08 Paper Registration
Chain 09 Xerographics
Chain 10 Fusing and Output
Chain 12 Finishers
Chain 13 References - Block Schematics and Wiring Schematics
March 2006
8-1 Phaser® 7760 Color Laser Printer
Theory of Operation Launch
8 Theory of Operation
Phaser 7760 Print Process
Operational Overview
EAHG Toner
Technology Overview
ROS and Regicon Technology Overview
RegiCon Overview
Sensors
Advanced Finisher
Professional Finisher
1 of 1
Date Issued: 11 Jan 2007
SF 224
Product: Phaser 7760
Operational Groups: All
PROBLEM: The Phaser 7760 no longer recognizes the Imaging Units as the correct
ones for the product after the Engine NVRAM board (MCU-MF NVM
PWB, P/N 160K76652) is changed.
If the Store Engine NVRAM function is not performed before replacing
the Engine NVRAM Board, the correct parameter for recognizing Phaser
7760 Imaging Units will be lost.
CAUSE: The Engine NVRAM Board is a common part used in many different
products. In order to function correctly in a particular product, a
number of parameters must be programmed. One of these parameters is
the unique code that recognizes the Imaging Units specifically
designated for that product. These codes are programmed to the Engine
NVRAM Board during production. In order to be written correctly to a
replacement NVRAM board, the Store Engine NVRAM and Resetting
NVRAM procedures within diagnostics should be followed.
SOLUTION: If the Phaser 7760 Image Unit are no longer correctly recognized after
replacing the Engine NVRAM Board and the Resetting NVRAM
procedure within diagnostics does not restore this functionality;
1. Send the Image Unit ID postscript snippet to the printer.
a. This snippet can be downloaded from:
http://www.office.xerox.com/
b. Select Drivers and Utilities and enter 7760 in the product
name field.
c. If necessary, instructions for Downloading Firmware
Update Files can be obtained on the same web page.
2. Verify that the printer recognizes the Image Units correctly after
the snippet has been downloaded.
3. Perform the Store Engine NVRAM procedure in diagnostics.
Complete the part’s green card and include it with each part returned.
North America: Return replaced parts to the logistics center named on
the shipping box’s pre-printed return shipping label.
Outside North America: Return parts as per your normal channels.
PART INVENTORY STRATEGY N/A.
JAB
ERVICE


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