October 2012
4-1
ColorQube 8570/8870 Service Manual
Repairs and Adjustments
Xerox Internal Use Only - Revised, 3rd Revision
4 Repairs and Adjustments
Disassembly Overview
Disassembly Overview ....................................................................................................
4-3
Cover
REP 1.1 Front Door/ Tray 1 (MPT) Assembly .................................................................
4-5
REP 1.5 Control Panel Cover .........................................................................................
4-6
REP 1.6 Control Panel ....................................................................................................
4-7
REP 1.7 Exit Cover .........................................................................................................
4-7
REP 1.8 Ink Loader.........................................................................................................
4-8
REP 1.9 Ink Loader Bezel...............................................................................................
4-9
REP 1.10 Left Side Cover ...............................................................................................
4-10
REP 1.11 Right Side Cover.............................................................................................
4-11
REP 1.12 Drum Maintenance Door.................................................................................
4-11
REP 1.13 I/O Access Door..............................................................................................
4-12
REP 1.14 Waste Tray Cover ...........................................................................................
4-12
REP 1.15 Waste Tray .....................................................................................................
4-14
REP 1.16 Drum Maintenance Unit ..................................................................................
4-14
REP 1.17 Tray 1 Arm ......................................................................................................
4-15
REP 1.18 Tray 1 (MPT) Pick Roller Assembly ................................................................
4-16
Imaging
REP 2.1 Funnel Cap .......................................................................................................
4-19
REP 2.2 Jetstack Cap .....................................................................................................
4-19
REP 2.3 Printhead Assembly..........................................................................................
4-20
REP 2.4 Drum Assembly ................................................................................................
4-29
REP 2.5 Y-Axis Belt ........................................................................................................
4-34
REP 2.6 Printhead Wiper and Wiper Drive Belt ..............................................................
4-34
REP 2.8 Purge Pressure Pump ......................................................................................
4-35
REP 2.9 Left and Right Printhead Restraints ..................................................................
4-36
REP 2.11 Drum Maintenance Camshaft .........................................................................
4-38
REP 2.12 Transfix Camshaft...........................................................................................
4-39
REP 2.13 Stripper Carriage Assembly/ Transfix Roller...................................................
4-40
REP 2.15 Y-Axis Tension Spring ....................................................................................
4-42
REP 2.16 Transfix Load Module .....................................................................................
4-42
REP 2.17 Drum Maintenance Pivot Plate/ Drum Wiper Blade Assembly .......................
4-45
REP 2.20 Preheater and Deskew Assembly...................................................................
4-48
REP 2.21 Transfix Arm Kit (with Pins) ............................................................................
4-50
REP 2.22 X-Axis Bias Spring Hook, X-Axis Roll Adjuster Spring ...................................
4-52
REP 2.24 X-Axis Bias Spring ..........................................................................................
4-53
Paper Path
REP 3.1 Inner Simplex Guide with Pre-deskew Sensor and Harness ............................
4-55
REP 3.2 Lower Inner Duplex Guide ................................................................................
4-56
REP 3.3 Lower Exit Guide Assembly..............................................................................
4-56
REP 3.4 Outer Duplex Guide ..........................................................................................
4-57
REP 3.5 Upper Duplex Guide and Solenoid ...................................................................
4-57
REP 3.7 Takeaway Roller ...............................................................................................
4-58
REP 3.8 Duplex Roller ....................................................................................................
4-59
REP 3.9 Separator Pad Kit..............................................................................................
4-60
REP 3.10 Pick Assembly and Retard Roller ...................................................................
4-61
REP 3.12 525-Sheet Feeder ...........................................................................................
4-62
REP 3.13 Exit Module .....................................................................................................
4-63
REP 3.14 Takeaway Guide .............................................................................................
4-65
Drive
REP 4.1 Preheater Lift Solenoid .....................................................................................
4-67
REP 4.2 Y-Axis Motor Assembly.....................................................................................
4-67
REP 4.3 Tray 1 Pick Solenoid .........................................................................................
4-69
REP 4.4 Head Tilt Solenoid.............................................................................................
4-70
REP 4.5 Media Drive Assembly ......................................................................................
4-72
REP 4.6 Tray 2 Lift Motor................................................................................................
4-74
REP 4.7 Electronics Module Fan ....................................................................................
4-75
REP 4.8 Head Tilt Gear...................................................................................................
4-75
REP 4.9 Tray 2 Lift Motor Gear.......................................................................................
4-77
REP 4.10 Head Maintenance Clutch...............................................................................
4-78
REP 4.11 X-Axis Motor ...................................................................................................
4-78
REP 4.12 Drum Cooling Fan...........................................................................................
4-79
REP 4.13 Process Drive..................................................................................................
4-79
Electrical
REP 5.1 Electronics Module............................................................................................
4-83
REP 5.2 Hard Disk Drive.................................................................................................
4-84
REP 5.3 RAM ..................................................................................................................
4-85
REP 5.4 NVRAM .............................................................................................................
4-87
REP 5.5 Configuration Card............................................................................................
4-88
REP 5.6 Circuit Boards (Power Supply, Main Controller, Power Control).......................
4-88
REP 5.9 Wave Amplifier..................................................................................................
4-93
REP 5.10 I/O Board.........................................................................................................
4-96
Sensors and Actuators
REP 6.1 Paper Size Switch.............................................................................................
4-97
REP 6.2 No Paper Sensor ..............................................................................................
4-98
REP 6.3 Paper Height Sensor.........................................................................................
4-99
REP 6.5 Drum Temperature Sensor ...............................................................................
4-100
REP 6.6 Front Door and Exit Door Interlock Switches ....................................................
4-100
REP 6.7 Waste Tray Detect Sensor................................................................................
4-101
Adjustments and Calibrations
ADJ 1.1 Wiper Blade Alignment ......................................................................................
4-103
ADJ 1.2 Homing the Printhead Forward to Print Position ...............................................
4-104
ADJ 1.3 Process Drive Alignment ...................................................................................
4-105
ADJ 1.4 Manual Printhead Parking .................................................................................
4-106
ADJ 1.5 Center the Printhead .........................................................................................
4-108
Summary of Contents for COLORQUBE 8570
Page 1: ...ColorQube 8570 8870 Printer ColorQube 8570 8870 Service Manual Xerox Internal Use Only...
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