Missing Cmy Color; Light Print; Repeated Spots Or Lines On Prints - Ricoh G-P3 Service Manual

Missing CMY Color

Symptom
C, M, or Y is missing.

Light Print

Symptom
Printed images are too weak.

Repeated Spots or Lines on Prints

The same spots or lines appear at regular intervals.
Possible cause
Defective PCU
Loose connection between
printer cartridge and engine
board (EGB)
Transfer belt not contacting PCU Check the belt tension unit.
Defective the color OPC motor
Defective engine board (EGB)
Possible cause
Loose connection between
transfer roller and high voltage
supply unit
Dust in the laser beam path
Transfer belt not contacting PCU Check the transfer unit.
Defective PCU
Defective transfer roller
Defective fusing unit
Defective engine board (EGB)
Troubleshooting Guide
Necessary actions
Replace the PCU.
Replace the drum positioning
cover. (See 'Replacement and
Adjustment – Electrical
Components – Electrical Board
Unit'.)
Replace the color OPC motor.
Replace the engine board (EGB).
Necessary actions
Check the connection between
the transfer roller and the high
voltage supply unit.
Clean the laser beam path.
Replace the PCU.
Repair the transfer roller.
Replace the fusing unit.
Replace the engine board (EGB).
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