Xerox 5915, Service Manual

Page: 36 / 146

4-1 Contents
Section 4 Disassembly/Assembly/Adjustment
Section 4 Disassembly/ Assembly/
Adjustment
1. Main Drive
1.1.1 Main Motor Replacement ………..…………… 4-3
2. Paper Handling
2.1.1 Side Registration Adjustment ……………..…… 4-3
2.2.1 MSI Feeder Assy Removal/Installation ……….. 4-4
2.2.2 MSI Retard Pad Replacement ...............…....... 4-4
2.3.2 MSI Feed Roller Replacement …………………. 4-5
2.3.3 MSI Size Sensor Replacement ………..………. 4-5
2.3.4 MSI No Paper Sensor Replacement ................. 4-5
2.5.1 Feed Roller Replacement ………………………. 4-6
2.5.3 No Paper Sensor Replacement ................……. 4-6
2.5.4 Right Cover Intlk switch Replacement .....…….. 4-8
2.5.5 Tray1 Intlk Switch Replacement…………………4-9
2.5.6 Tray1 Intlk Switch Adjustment...…………………4-9
2.7.1 Registration Assy Removal/Installation ……… 4-10
2.7.2 Registration Gate Solenoid Replacement …... 4-10
2.7.3
Regi-Gate Sensor Replacement .…………. 4-10
2.7.4 Registration Roller Replacement ……………. 4-10
2.7.6 Lead Edge Registration Adjustment …………. 4-11
3. Paper Transport
3.1.1 Vacuum Transport Belt Replacement ……..... 4-12
4. Optics
4.1.1 Plate Glass Replacement ........................….... 4-13
4.1.2 Optical Cooling Fan Replacement …...………. 4-13
4.2.1 Optical Regi-Sensor Replacement .................. 4-14
4.2.2 Lamp Carriage Motor Replacement ……….. 4-14
4.2.3 Carriage Cable Replacement ………………... 4-15
4.3.1 Full-Rate & Half-Rate Carriages Parallel
Adjustment …………...…………………………. 4-16
4.3.2 Exposure Lamp Replacement ...........….......... 4-18
4.3.3 Optical Skew Adjustment .....................…….... 4-18
4.3.4 Size-for-Size Fine Tuning ………………...…… 4-19
4.5.3 Lens Cable Replacement .......................……. 4-20
4.5.4 Lens Motor Replacement ………………..…… 4-22
5. Xerographic
5.1.1 Drum Unit Replacement ……………….……… 4-23
5.1.2 Drum Finger Replacement ……………………. 4-23
5.1.3 Charge Corotron Wire Replacement ………… 4-24
5.1.4 Basic Copy Quality Adjustment ………………. 4-24
5.1.5 ISIL Assembly Replacement ………………….. 4-26
5.1.6 ISIL Copy Edge Erase Amount Adjustment ... 4-26
6. Development
6.2.1 Deve. Unit Removal/Installation …………..….. 4-27
6.2.2 Mag. Roll Blade Replacement ……………..… 4-27
6.2.3 Toner Empty Sensor Replacement …..……… 4-27
8. Fuser
8.1.1 Fuser Thermostat Replacement ..............….... 4-28
8.1.2 Fuser Thermistor Replacement ………………. 4-28
8.2.1 Heater Rod Replacement ……………...……… 4-29
8.2.2 Heat Roller Replacement ……………………… 4-30
8.2.3 Pressure Roller Replacement …………..……. 4-31
8.2.4 Contact Arc Adjustment ………………………. 4-32
8.3.1 Heat Roller Fingers Replacement …………… 4-33
8.3.2 Pressure Roller Fingers Replacement ………. 4-33
8.5.1 Fuser Fan Motor Assy Replacement ………… 4-34
8.5.2 Ozone Filter (Fuser Fan) Replacement .......... 4-34
9. Electrical
9.1.2 Main PWB Replacement …………………….... 4-35
9.1.3 LVPS Replacement ……………………………. 4-38
9.1.4 AC Drive PWB Replacement ……..………… 4-38
10. Covers L Frame
10.1.1 Front Gas Spring Replacement ……………... 4-39
10.1.2 Rear Gas Spring Replacement ……………… 4-39
10.2.1 Console Assembly Replacement ……………. 4-40
10.2.2 Top Cover Removal/Installation ………………4-40
How to Use the Disassembly/Assembly/Adjustment
Manual
1. Specific removal/installation procedures are not
described for parts for which those procedures are at
first sight understood.
2. Installation procedures refer only to items requiring your
attention.
2. Install parts with their protrusions, if any, fitted into half-
punched dents.
3. Circled numbers such as
➀
/
➁
/
➂
in each Figure
indicate the order of a procedure and parts applicable.