Xerox Phaser 790 Service Manual page 2

Electrical
REP 1.1 LVPS.................................................................................................................
REP 1.2 HVPS ................................................................................................................
REP 1.3 Top Cover Interlock ..........................................................................................
REP 1.4 Developer Fan ..................................................................................................
REP 1.5 MCU PWB ........................................................................................................
REP 1.6 Right Front Cover Interlock ...............................................................................
REP 1.7 Left Front Cover Interlock .................................................................................
REP 1.8 Environment Sensor .........................................................................................
REP 1.9 ESS PWB .........................................................................................................
REP 1.10 ESS Fan .........................................................................................................
REP 1.11 Controller Chassis ..........................................................................................
REP 1.12 Communication PWB......................................................................................
REP 1.13 Hard Disk Drive Assembly ..............................................................................
Drives
REP 4.1 Paper Handling Drive Unit ................................................................................
REP 4.2 Fuser Drive Unit ................................................................................................
REP 4.3 Fuser Motor ......................................................................................................
REP 4.4 Paper Handling Motor.......................................................................................
REP 4.5 Drive Motor PWB ..............................................................................................
REP 4.6 Process Drive Unit ............................................................................................
REP 4.7 Rotary Motor .....................................................................................................
REP 4.8 Rotary Motor PWB............................................................................................
REP 4.9 Dispense Clutch................................................................................................
REP 4.10 Developer Clutch ............................................................................................
ADF
REP 5.1 ADF Assembly ..................................................................................................
REP 5.2 ADF Drive Motor ...............................................................................................
REP 5.3 Counterbalance ................................................................................................
REP 5.4 Feed Roll ..........................................................................................................
REP 5.5 Nudger Roll.......................................................................................................
REP 5.6 Registration Roll ...............................................................................................
REP 5.7 Document Transport Assembly ........................................................................
REP 5.8 Platen Belt ........................................................................................................
REP 5.9 ADF Exit Motor .................................................................................................
REP 5.10 ADF Exit Sensor and Exit Tray Interlock ........................................................
Imaging
REP 6.1 Platen Glass .....................................................................................................
REP 6.2 Right Cover.......................................................................................................
REP 6.3 Left Cover .........................................................................................................
REP 6.4 Rear Cover .......................................................................................................
REP 6.5 Angle Sensor ....................................................................................................
REP 6.6 Platen Switch ....................................................................................................
REP 6.7 Registration Sensor ..........................................................................................
REP 6.8 IIT Low Voltage Power Supply (LVPS) .............................................................
Initial Issue
Phaser 790/DocuColor 2006
4 Repairs and Adjustments
REP 6.9 Fan....................................................................................................................
REP 6.10 APS Sensor ....................................................................................................
4-5
REP 6.11 PWB Box.........................................................................................................
4-5
REP 6.12 PWB Box Cover ..............................................................................................
4-6
REP 6.13 IPS PWB .........................................................................................................
4-6
REP 6.14 ICM Main PWB ...............................................................................................
4-7
REP 6.15 Extension PWB ...............................................................................................
4-8
REP 6.16 Advanced Features Memory PWB..................................................................
4-8
REP 6.17 Front / Rear Cable Assembly..........................................................................
4-9
REP 6.18 Carriage Motor ................................................................................................
4-10
REP 6.19 Belt..................................................................................................................
4-11
REP 6.20 Lamp ...............................................................................................................
4-11
REP 6.21 Full-rate Carriage Assembly ...........................................................................
4-12
REP 6.22 FLPS PWB......................................................................................................
4-13
REP 6.23 Control Panel Assembly..................................................................................
Paper Supply
4-15
REP 7.1 Size Switch PWB ..............................................................................................
4-16
REP 7.2 Sensor Bracket .................................................................................................
4-17
REP 7.3 No Paper Sensor Assembly..............................................................................
4-17
REP 7.4 No Paper Sensor ..............................................................................................
4-18
REP 7.5 Low Paper Sensor ............................................................................................
4-19
REP 7.6 Tray 1 Assembly / Paper Tray Assembly / Oversize Tray Assembly................
4-20
REP 7.7 Tray 1 Front Snubber........................................................................................
4-20
REP 7.8 Oversize Tray Front Snubber............................................................................
4-21
4-21
Paper Feed
REP 8.1 Turn Roll ...........................................................................................................
REP 8.2 Feed Roll...........................................................................................................
4-23
REP 8.3 Feed Roll Assembly ..........................................................................................
4-24
REP 8.4 Turn Clutch .......................................................................................................
4-24
REP 8.5 Feed Solenoid...................................................................................................
4-25
REP 8.6 Bypass Tray/Registration Assembly .................................................................
4-26
REP 8.7 Bypass Tray Feed Assembly ............................................................................
4-29
REP 8.8 Tray Housing.....................................................................................................
4-31
REP 8.9 Main Paper Handling Frame Assembly ............................................................
4-32
REP 8.10 Lift Plate Sensor..............................................................................................
4-33
REP 8.11 Lift Frame Assembly .......................................................................................
4-34
REP 8.12 Tray Empty Sensor .........................................................................................
REP 8.13 Pitch Sensor....................................................................................................
4-37
REP 8.14 Stack Height Sensor .......................................................................................
4-37
REP 8.15 Preregistration Clutch .....................................................................................
4-38
REP 8.16 Preregistration Roll .........................................................................................
4-38
REP 8.17 Registration Clutch..........................................................................................
4-39
REP 8.18 Registration Rubber Roll.................................................................................
4-39
REP 8.19 Size Switch PWB ............................................................................................
4-40
REP 8.20 Feeder Motor ..................................................................................................
4-41
REP 8.21 Feeder PWB ...................................................................................................
10/00
4-1
4-41
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Repairs and Adjustments