
3–11
TROUBLESHOOTING IMAGE PROBLEMS
8
The copy has white spots. (vertical)
9
The copy has white lines. (vertical)
Cause
Exposure sys-
tem
Transfer charg-
ing roller,
Separation stat-
ic eliminator
Developing
assembly
Fixing assem-
bly
Fixing assem-
bly inlet
Photosensitive
drum
Dust-proofing
glass
Exposure sys-
tem
Standard white
plate
Step
1
2
3
4
5
6
7
8
Checks
Execute ‘L-TEET1’ in service
mode (*4*). Are there white
lines in the generated image?
Is there dirt or foreign matter
on the transfer charging roller
or the separation static elimina-
tor?
Is the coating of toner on the
developing cylinder even?
Are there scratches on the fix-
ing film in peripheral direction?
Is there dirt or foreign matter
on the fixing assembly inlet?
Are there scratches on the sur-
face of the photosensitive drum
in peripheral direction?
Replace the dust-proofing
glass. Is the problem correct-
ed?
Clean the standard white plate,
and No. 1, No. 2, and No. 3
mirrors. Is the problem correct-
ed?
Yes/No
YES
YES
NO
YES
YES
YES
YES
YES
NO
Action
Go to step 7.
Clean the transfer charging
roller or the separation static
eliminator.
If the problem is still not cor-
rected, replace the transfer
charging assembly or the sep-
aration static eliminator.
Check the edge of the devel-
oping assembly blade.
If toner is not in the developing
assembly, see “The ADD
TONER message fails to turn
ON.”
1. Replace the fixing assembly.
2. Clean the separation claw.
3. Check the separation claw.
Clean the area.
Replace the drum unit.
• Be sure to find out the
cause of the scratches.
End.
End.
Change the value of ‘ADJ-S’ in
service mode (*3*), and
change the point of shading
measurement.
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 ...