3-1219. The copy is foggy (cross feed direction).20. The copy has poor sharpness (focus).
CHAPTER 3 IMAGE TROUBLESHOOTING
18. The copy has a blurred image.Cause Step Checks YES/NO Remedies
Copyboard rail 1 Is the movement of the copy-
board rail smooth? NO Replace the copyboard
rail.
Copyboard drive
assembly 2 Is the movement of the copy-
board normal? NO Check the copyboard drive
assembly; if a fault is
found, replace the part.
Main motor assembly 3 Is the main motor assembly
normal? NO Replace the main motor
assembly.
Feeding assembly 4 Does the copy paper stop or
jump near the transfer assem-
bly?
YES Remove the foreign matter
or burrs from the feeding
system.
Cartridge NO Replace the cartridge.
Cause Step Checks YES/NO Remedies
Scanning lamp 1 Does the scanning lamp flicker? YES Replace the scanning
lamp unit.
Cartridge 2 Replace the cartridge.
Is the problem corrected? YES End.
High-voltage
transformer Check the high-voltage
transformer (DC controller/
DC power supply PCB).
NO
Cause Step Checks YES/NO Remedies
Document
1 Does the copy have an image
which is too light at the same
time?
YES Correct the light image
first.
2 Is there a gap between the
document and the copyboard
glass?
YES • Check the copyboard
glass to make sure it is
not warped.
• Advise the user how to
place documents cor-
rectly.
Lens 3 Is the lens off contact? YES Push the lens into place
while taking great care not
to scratch it.
Scanner 4 Clean the scanning lamp,
reflecting plate, and lens.
Is the problem corrected?
YES End.
Cartridge NO Replace the cartridge.