Missing Parts Of Images; Dirty Background; Partial Cmy Color Dots; Dark Irregular Streaks On Prints - Ricoh G104 Service Manual

Symptom

4.3.8 MISSING PARTS OF IMAGES

Symptom
Some parts of images are
missing.

4.3.9 DIRTY BACKGROUND

Symptom
Backgrounds of one CMYK
color are too dense.
Backgrounds of more than
one CMYK are too
dense.color

4.3.10 PARTIAL CMY COLOR DOTS

Symptom
Unexpected dots of the same
color appear at irregular
intervals.

4.3.11 DARK IRREGULAR STREAKS ON PRINTS

Symptom
Unexpected streaks appear at
irregular intervals.

4.3.12 CMY COLOR IRREGULAR STREAKS

Symptom
Unexpected streaks of the
SM
CÓPIA NÃO CONTROLADA
Possible cause
Defective transfer roller
Possible cause
Defective PCU
Defective transfer belt unit
Defective transfer roller
Defective fusing unit
Possible cause
Defective PCU
Defective high voltage supply
board
Possible cause
Defective PCU
Defective transfer belt unit
Defective fusing unit
Possible cause
Defective transfer belt
Possible cause
Defective PCU
4-35
CÓPIA NÃO CONTROLADA
Troubleshooting Guide
Necessary actions
Replace the transfer roller.
Necessary actions
Replace the PCU.
Replace the transfer belt unit.
Replace the transfer roller.
Replace the fusing unit.
Necessary actions
Replace the PCU.
Replace the high voltage
supply board (1 or 2).
Necessary actions
Replace the PCU.
Replace the transfer belt unit.
Replace the fusing unit.
Necessary actions
Replace the transfer belt unit.
Necessary actions
Replace the PCU.
G160/G161