Light Print; Repeated Spots Or Lines On Prints - Ricoh G104 Service Manual

Symptom

4.3.4 LIGHT PRINT

Symptom
Printed images are too weak.

4.3.5 REPEATED SPOTS OR LINES ON PRINTS

The same spots or lines appear at regular intervals.
Interval
At intervals of 35.0 mm (1.38
inches)
At intervals of 35.8 mm (1.41
inches)
At intervals of 40.5 mm (1.59 Defective belt entrance roller
SM
CÓPIA NÃO CONTROLADA
Possible cause
board (EGB)
Transfer belt not contacting
PCU
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
Defective PCU
Defective transfer roller
Defective fusing unit
Defective engine board (EGB)
Possible cause
Defective charge roller
Defective OPC cleaning brush
roller
4-33
CÓPIA NÃO CONTROLADA
Troubleshooting Guide
Necessary actions
Adjustment – Electrical
Components – Electrical Board
Unit'.)
Check the belt tension 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.
Check the transfer unit.
Replace the PCU.
Repair the transfer roller.
Replace the fusing unit.
Replace the engine board
(EGB).
Necessary actions
Replace the PCU.
Replace the PCU.
Replace the transfer belt
G160/G161