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Symptom
Step
Paper is at a
1
stop near the PC
Drum.
2
3
Paper is wedged
1
at the PC Drum
Paper Separator
2
Fingers.
3
4
Paper is at a
1
stop on the Suc-
tion Belts.
2
Check Item
Is the Pre-Image Transfer Guide Plate
dirty or deformed, or has the seal
been separated?
Are the Image Transfer/Paper Separa-
tor Corona Wires dirty or deformed?
Is the paper guide above the Paper
Separator Corona dirty or deformed?
Are the PC Drum Paper Separator
Fingers dirty or deformed?
Do the PC Drum Paper Separator Fin-
gers move smoothly when operated
manually?
Is there a gap between the PC Drum
Paper Separator Fingers and the sur-
face of the PC Drum when step 2 is
performed again?
Check SL4 for operation.
Does the voltage across PJ10A-8B on
PWB-A and GND change from
DC24V to DC0V when the Start key is
pressed?
Do the Suction Belts turn when PC
Drum Drive Motor M2 is energized?
Check M14 for operation.
Does the voltage across PJ3A-7B on
PWB-A and GND change from DC0V
to DC3V when the Start key is
pressed?
T-16
Result
Action
YES
Clean or change the guide
plate.
YES
Clean or change the defec-
tive corona wire.
YES
Clean or change the paper
guide.
YES
Clean or change the separa-
tor fingers.
NO
Change the separator fin-
gers.
YES
Adjust the position of the PC
Drum Paper Separator Fin-
gers.
YES
Change SL4.
NO
Change PWB-A.
NO
Check the drive gear
engagement and timing belt.
YES
Check the Suction Belts and
change M14.
NO
Change PWB-A.
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