Ricoh G104 - Cmy Color Irregular Streaks; Dark Irregular Streaks on Prints; Dirty Background; Missing Parts of Images

Troubleshooting Guide
SM 4-35 G160/G161
G160/G161
Symptom Possible cause Necessary actions
Defective transfer roller Replace the transfer roller.
4.3.8 MISSING PARTS OF IMAGES
Symptom Possible cause Necessary actions
Defective PCU Replace the PCU.
Defective transfer belt unit Replace the transfer belt unit.
Defective transfer roller Replace the transfer roller.
Some parts of images are
missing.
Defective fusing unit Replace the fusing unit.
4.3.9 DIRTY BACKGROUND
Symptom Possible cause Necessary actions
Backgrounds of one CMYK
color are too dense.
Defective PCU Replace the PCU.
Backgrounds of more than
one CMYK are too
dense.color
Defective high voltage supply
board
Replace the high voltage
supply board (1 or 2).
4.3.10 PARTIAL CMY COLOR DOTS
Symptom Possible cause Necessary actions
Defective PCU Replace the PCU.
Defective transfer belt unit Replace the transfer belt unit.
Unexpected dots of the same
color appear at irregular
intervals.
Defective fusing unit Replace the fusing unit.
4.3.11 DARK IRREGULAR STREAKS ON PRINTS
Symptom Possible cause Necessary actions
Unexpected streaks appear at
irregular intervals.
Defective transfer belt Replace the transfer belt unit.
4.3.12 CMY COLOR IRREGULAR STREAKS
Symptom Possible cause Necessary actions
Unexpected streaks of the Defective PCU Replace the PCU.
CÓPIA NÃO CONTROLADA
CÓPIA NÃO CONTROLADA