
14
The copy has blurred images.
3–16
TROUBLESHOOTING IMAGE PROBLEMS
Cause
Scanner drive
cable
Scanner rail
Drum drive
assembly,
Photosensitive
drum
Developing
gear
Drum drive
assembly,
Drum unit
Step
1
2
3
4
Checks
Does the cable on the cable
pulley become twisted or frayed
while the scanner is
moving?
Move the No. 1 mirror mount
slowly by hand. Does it move
smoothly?
Is the problem noted at inter-
vals of about 94 mm?
Is the problem noted at inter-
vals of 35 mm?
Yes/No
YES
NO
YES
YES
Action
1. Re-route the cable.
2. Replace the cable.
Clean the surface of the scan-
ner rail with alcohol; thereafter,
apply a small amount of lubri-
catnt.
1. Check the drum drive
assembly.
2. Check the drum ends (in
contact with the developing
rolls) for scratches and for-
eign matter.
Check the developing assem-
bly.
1. Check the drum drive
assembly.
2. Replace the drum unit.
Summary of Contents for GP215
Page 4: ......
Page 36: ......
Page 38: ...3 2 TROUBLESHOOTING IMAGE PROBLEMS ...
Page 39: ...3 3 TROUBLESHOOTING IMAGE PROBLEMS ...
Page 40: ...3 4 B Image Fault Samples ...
Page 80: ......
Page 92: ...6 6 ARRANGEMENT AND FUNCTIONS OF ELECTRICAL PARTS C Fans Figure 6 603 FM6 FM5 FM2 FM3 FM1 FM4 ...
Page 105: ...6 19 ARRANGEMENT AND FUNCTIONS OF ELECTRICAL PARTS 3 Composite Power Supply PCB Figure 6 610 ...
Page 204: ...C GENERAL CIRCUIT DIAGRAM General Circuit Diagram 1 4 A 3 ...
Page 205: ...General Circuit Diagram 2 4 A 4 ...
Page 206: ...General Circuit Diagram 3 4 A 5 ...
Page 207: ...General Circuit Diagram 4 4 A 6 ...