6Removal and Replacement

Required Tools . . .

. . . . . . . . . . . . . . . . . .

.

.

. 6-2

Hardware Review .

. . . . . . . . . . . . . . . . . .

.

.

. 6-2

Removing the Covers . . . .

. . . . . . . . . . . . . . . . 6-4

Right Side Cover Removal

. . . . . . . . . . . . . . . . 6-4

Top Cover Removal . . .

. . . . . . . . . . . . . . . . 6-5

Left Side Cover Removal . . . . . . . . . . . . . . . . . 6-7 Rear Door Removal . . . . . . . . . . . . . . . . . . . . 6-8

Font Door Cover Removal (LJ 5 Right Front

 

Cover Removal) . . . . . . . . . . . . . . . . . . .

6-10

Multi-Purpose (MP) Tray (Tray 1) Door Removal . . .

6-12

Multi-Purpose (MP) Tray (Tray 1) Removal . . . . . .

6-13

Assemblies Removal . . . . . . . . . . . . . . . . . . . . 6-15 Power Supply Removal . . . . . . . . . . . . . . . . . 6-15

Paper Feed Assembly Removal . . . . . . . . . . . . .

6-18

High Voltage Power Supply (HVPS) Removal . . . . .

6-21

Fuser Assembly Removal . . . . . . . . . . . . . . . . 6-22

Control Panel and Overlay Removal . . . . . . . . . .

6-23

Removing the SIMMs Door . . . . . . . . . . . . . .

6-25

Formatter Cage Removal . . . . . . . . . . . . . . . . 6-27

Formatter PCA Removal . . . . . . . . . . . . . . . . 6-29

DC Controller Removal . . . . . . . . . . . . . . . . . 6-33

DC Controller Installation . . . . . . . . . . . . . . .

6-35

Main Motor Assembly Removal . . . . . . . . . . . .

6-37

Gear Assembly Removal . . . . . . . . . . . . . . . .

6-38

Fan Removal . . . . . . . . . . . . . . . . . . . . . .

6-39

Output Assembly Removal . . . . . . . . . . . . . . . 6-41

Paper Exit Sensor (PS3) Removal . . . . . . . . . . .

6-42

Scanner Assembly Removal . . . . . . . . . . . . . .

6-43

Lower Cassette Assemblies . . . . . . . . . . . . . . . .

6-44

Lower Cassette Sensor PCA Removal . . . . . . . . .

6-44

Lower Cassette Pickup Motor Removal . . . . . . . .

6-45

Replacing Fuser Assembly Parts

. . . . . . . . . .

6-47

Fuser Assembly Configuration . . . . . . . . . . . .

6-48

Removing the Fuser Roller Heat Lamp . . . . . . . .

6-49

Fuser Assembly Thermoswitch Removal . . . . . . .

6-55

Thermistor Removal . . . . . . . . . . . . . . . . . .

6-56

Paper Control PCA Removal . . . . . . . . . . . . . .

6-59

Sensor PCA Removal . . . . . . . . . . . . . . . . . . 6-60

PS1 and PS2 Sensor Assembly Removal . . . . . . .

6-61

High Voltage Contact Plate (HVCP) and Paper Guide

 

Removal . . . . . . . . . . . . . . . . . . . . . . . .

6-62

Accessing the High Voltage Contact Plate and

 

Feed Guide Assembly . . . . . . . . . . . . . . . .

6-62

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