Ricoh G-P3 - Missing CMY Color; Light Print; Repeated Spots or Lines on Prints

Missing CMY Color
Symptom Possible cause Necessary actions
C, M, or Y is missing.
Defective PCU Replace the PCU.
Loose connection between
printer cartridge and engine
board (EGB)
Replace the drum positioning
cover. (See ‘Replacement and
Adjustment – Electrical
Components – Electrical Board
Unit’.)
Transfer belt not contacting PCU Check the belt tension unit.
Defective the color OPC motor Replace the color OPC motor.
Defective engine board (EGB) Replace the engine board (EGB).
Light Print
Symptom Possible cause Necessary actions
Printed images are too weak.
Loose connection between
transfer roller and high voltage
supply unit
Check the connection between
the transfer roller and the high
voltage supply unit.
Dust in the laser beam path Clean the laser beam path.
Transfer belt not contacting PCU Check the transfer unit.
Defective PCU Replace the PCU.
Defective transfer roller Repair the transfer roller.
Defective fusing unit Replace the fusing unit.
Defective engine board (EGB) Replace the engine board (EGB).
Repeated Spots or Lines on Prints
The same spots or lines appear at regular intervals.
Troubleshooting Guide
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