Ricoh M022, Service Manual

Page: 721 / 1152

Interval Possible cause Necessary actions
At intervals of 35 mm (1.38
inches)
Defective charge roller Replace the PCDU.
At intervals of 33 mm (1.3 inches) Defective development roller Replace the PCDU.
At intervals of 83 mm (3.27
inches)
Defective paper transfer roller
Replace the paper transfer
roller unit.
At intervals of 94 mm (3.7 inches) Defective OPC drum Replace the PCDU.
At intervals of 126 mm (4.96
inches)
Defective fusing roller
Replace the fusing roller or
fusing unit.
At intervals of 141 mm (5.55
inches)
Defective pressure roller
Replace the pressure roller or
fusing unit.
At intervals of 204 mm (8.03
inches)
Defective fusing belt Replace the fusing unit.
At intervals of 795 mm (31.3
inches)
Defective image transfer belt
Replace the image transfer belt
or image transfer belt unit.
At intervals of 41 mm (1.61
inches)
Defective image transfer roller
Replace the image transfer
roller.
At intervals of 82 mm (3.23
inches)
Defective image transfer belt drive
roller or image transfer belt idling
roller Replace the image transfer belt
drive roller or image transfer
belt idling roller.
Dark Vertical Line on Prints
Symptom Possible cause Necessary actions
A dark line appears. The line is
parallel to the paper feed
direction of one CMY color.
Defective PCDU Replace the PCDU.
A dark line appears. The line is
parallel to the paper feed
direction of any color (not C, M,
or Y).
Dust in the laser beam path Clean the laser beam path.
Defective image transfer belt unit
Replace the image transfer belt
unit.
Defective fusing unit Replace the fusing unit.
Troubleshooting Guide
719
6
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CÓPIA NÃO CONTROLADA