Xerox Phaser 7760 Service Manual

January 2010
4-1
Phaser 7760 Color Laser Printer
Repairs and Adjustments
Revised
4 Repairs and Adjustments
Electrical
REP 1.1 5 V LVPS Bracket............................................................................................. 4-3
REP 1.2 Engine Control Board (PWBA MCU) ................................................................ 4-3
REP 1.3 Electrical Chassis Assembly............................................................................. 4-4
REP 1.4 5 V LVPS .......................................................................................................... 4-4
REP 1.5 24V LVPS ......................................................................................................... 4-5
REP 1.6 HVPS Chassis .................................................................................................. 4-5
REP 1.7 DEV/BTR2/DTS T10 HVPS or BCR T11 HVPS ............................................... 4-6
REP 1.8 Interface PWB (Engine Control Interface Board).............................................. 4-7
REP 1.9 24V LVPS Chassis ........................................................................................... 4-8
REP 1.10 BTR1 T12 HVPS (Developer HVPS) .............................................................. 4-8
REP 1.11 AC Power Assembly ....................................................................................... 4-9
REP 1.12 Image Processor Board (Coordinator PWB)................................................... 4-9
REP 1.15 Control Panel .................................................................................................. 4-10
REP 1.17 Hard Drive....................................................................................................... 4-10
REP 1.18 Interlock Relay (LD Power Relay)................................................................... 4-11
Main Drives
REP 4.1 Main Drive Motor Assembly.............................................................................. 4-13
REP 4.2 IBT Motor Assembly ......................................................................................... 4-14
REP 4.3 Developer Drive Motor...................................................................................... 4-15
REP 4.4 Imaging Unit Motor Assembly........................................................................... 4-16
Imaging
REP 6.1 ROS (Laser Unit) .............................................................................................. 4-17
Paper Trays
REP 7.1 Tray 1 (MPT)..................................................................................................... 4-19
REP 7.2 Tray 1 (MPT) Feed Roll .................................................................................... 4-20
REP 7.3 Tray 2 Feeder ................................................................................................... 4-20
REP 7.4 Tray 2/3/4/5 Feed/Lift Motor ............................................................................. 4-21
REP 7.5 Tray 2 Paper Size Sensor................................................................................. 4-21
REP 7.6 Tray 4 (TTM - High-Capacity) ........................................................................... 4-22
REP 7.7 Tray 5 (TTM - High-Capacity) ........................................................................... 4-22
REP 7.8 Tray 2 (TTM - High-Capacity) ........................................................................... 4-23
REP 7.9 Tray 3 (TTM - High-Capacity) ........................................................................... 4-23
REP 7.10 Tray 3 Feeder (TTM - High-Capacity)............................................................. 4-24
REP 7.11 Tray 4 Feeder (TTM - High-Capacity)............................................................. 4-24
REP 7.12 Tray 5 (TTM - High-Capacity) Feeder............................................................. 4-25
REP 7.13 Tray 3 (3TM) ................................................................................................... 4-27
REP 7.14 Tray 4 (3TM) ................................................................................................... 4-27
REP 7.15 Tray 5 (3TM) ................................................................................................... 4-28
REP 7.16 Tray 3 Feeder (3TM)....................................................................................... 4-28
REP 7.17 Tray 4 Feeder (3TM)....................................................................................... 4-29
REP 7.18 Tray 5 Feeder (3TM)....................................................................................... 4-29
Paper Feed and Registration
REP 8.1 Left Cover Assembly (Left-Hand Door A) ......................................................... 4-31
REP 8.2 Duplex Chute .................................................................................................... 4-32
REP 8.3 Duplex Transport Assembly.............................................................................. 4-33
REP 8.5 Inverter Transport ............................................................................................. 4-33
REP 8.6 Registration Transport Assembly...................................................................... 4-34
REP 8.7 Exit Transport Assembly ................................................................................... 4-35
Xerographic
REP 9.2 ROS Shutter Motor ........................................................................................... 4-37
REP 9.3 Waste Toner Cartridge Cover ........................................................................... 4-38
REP 9.5 Full Toner Sensor ............................................................................................. 4-38
REP 9.6 Dispenser Cover (Imaging Unit Plate Cover).................................................... 4-39
REP 9.7 Toner Dispenser (Dispense Assembly) ............................................................ 4-39
REP 9.8 Imaging Unit Plate Assembly............................................................................ 4-40
REP 9.9 Developer Housing ........................................................................................... 4-42
REP 9.10 Developer........................................................................................................ 4-43
REP 9.11 Toner Dispenser Base Assembly.................................................................... 4-45
REP 9.12 IBT Steering Drive Assembly.......................................................................... 4-46
REP 9.13 Agitator Motor Assembly................................................................................. 4-46
REP 9.14 MOB Sensor Assembly................................................................................... 4-47
REP 9.15 IBT Belt Assembly (Accumulator Belt Assembly) ........................................... 4-47
REP 9.16 IBT Belt (Accumulator Belt) Cleaner Assembly .............................................. 4-48
REP 9.17 Auger Assembly.............................................................................................. 4-48
REP 9.18 IBT Cam Lever................................................................................................ 4-49
REP 9.19 Left Hinge/Right Hinge.................................................................................... 4-50
REP 9.20 Right Lift Assembly (Right-Hand Lift Jack Assy.)............................................ 4-50
REP 9.21 Left Lift Assembly............................................................................................ 4-52
REP 9.22 Transfer Belt ................................................................................................... 4-54
REP 9.25 Erase Lamp Rail (K,Y,M,C)............................................................................. 4-57
REP 9.26 ATC Sensor .................................................................................................... 4-58
REP 9.27 Accumulator Belt Mounting Frame.................................................................. 4-60
Fuser
REP 10.2 Fuser Fan........................................................................................................ 4-63
Finisher
REP 12.40 Finisher Front Door....................................................................................... 4-65
REP 12.41 Finisher Rear Upper Cover........................................................................... 4-66
REP 12.42 Finisher Rear Lower Cover ........................................................................... 4-66
REP 12.43 Finisher Top Cover ....................................................................................... 4-67
REP 12.44 Finisher Front Top Cover.............................................................................. 4-67
REP 12.45 Finisher Top Tray.......................................................................................... 4-68
REP 12.46 Finisher Eject Cover...................................................................................... 4-68
REP 12.47 Finisher Tray Spring Guide and Top Tray Full Sensor ................................. 4-69
REP 12.48 Finisher Inner Cover ..................................................................................... 4-70
REP 12.49 Finisher Left Top Cover ................................................................................ 4-71
REP 12.50 Finisher ......................................................................................................... 4-71

Xerox Phaser 7760 Specifications

General

Brand	Xerox
Model	Phaser 7760
Category	Printer
Language	English