Xerox PHASER 3635, Service Manual

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4-1
Phaser 3635MFP
Repairs and Adjustments Draft 4
4 Repairs and Adjustments
REPs 1 - Standby Power
REP 1.1 SMPS................................................................................................................ 4-3
REP 1.2 HVPS ................................................................................................................ 4-4
REPs 2 - User Interface
REP 2.1 User Interface Assembly................................................................................... 4-5
REP 2.2 UI PWB and Touch Screen............................................................................... 4-6
REPs 3 - Machine Run Control
REP 3.1 Main PWB......................................................................................................... 4-9
REP 3.2 USB PWB and Harness .................................................................................... 4-10
REPs 4 - Main Drives
REP 4.1 Main BLDC Motor ............................................................................................. 4-11
REPs 5 - DADF
REP 5.1 DADF Door Open Sensor ................................................................................. 4-13
REP 5.2 DADF Lift Solenoid ........................................................................................... 4-13
REP 5.3 DADF Registration and Scan Sensors ............................................................. 4-14
REP 5.4 DADF Transport Assembly and DADF Feed Assembly ................................... 4-15
REP 5.5 DADF Drive Assembly ...................................................................................... 4-17
REP 5.6 DADF Paper Length Sensor ............................................................................. 4-18
REP 5.7 Pickup Assembly .............................................................................................. 4-18
REPs 6 - LSU
REP 6.1 LSU ................................................................................................................... 4-21
REP 6.2 LSU Interlock Switch......................................................................................... 4-21
REPs 7 - Paper Supply
REP 7.1 Bypass Feed Assembly .................................................................................... 4-23
REP 7.2 Registration Solenoid and Tray 1 Pickup Solenoid........................................... 4-23
REP 7.3 Bypass Pickup Roll ........................................................................................... 4-24
REP 7.4 Tray 2 Feed Motor and Pickup Solenoid .......................................................... 4-24
REP 7.5 Bypass Paper Empty Sensor ............................................................................ 4-25
Chain 8 - Paper Transport
REP 8.1 Registration Roll Clutch .................................................................................... 4-27
REPs 9 - Xerographics
REP 9.1 CRUM PWB ...................................................................................................... 4-29
REPs 10 - Fusing and Copy/Print Transport
REP 10.1 Duplex Motor .................................................................................................. 4-31
REP 10.2 Exit Motor........................................................................................................ 4-31
REP 10.3 Front Duplex Guide Assembly ........................................................................ 4-32
REP 10.4 Exit Roll and Exit Idler Assemblies ................................................................. 4-33
REP 10.5 Fuser Terminal................................................................................................ 4-34
REP 10.6 Heat Lamp ...................................................................................................... 4-34
REPs 14 - Scanner
REP 14.1 Scanner Assembly .......................................................................................... 4-37
REP 14.2 Scanner Components ..................................................................................... 4-38
REPs - 28 External Covers
REP 28.1 External Covers .............................................................................................. 4-41
REP 28.2 Outbin Assembly............................................................................................. 4-42
REP 28.3 Front Mid Cover .............................................................................................. 4-43
ADJs 1 - Standby Power
ADJ 1.1 Machine Settings ............................................................................................... 4-45
ADJs 5 - Document Transport
ADJ 5.1 DADF Side Edge Registration Adjustment ........................................................ 4-47
ADJs 8 - Paper Transport
ADJ 8.1 Lead Edge Registration Adjustment .................................................................. 4-49
ADJ 8.2 Side Edge Registration Adjustment................................................................... 4-50
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