Ricoh G104 - Dark Vertical Line on Prints

Troubleshooting Guide
G160/G161 4-34 SM
Interval Possible cause Necessary actions
inches) unit.
At intervals of 41.1 mm (1.62
inches)
Defective belt transfer roller
Replace the transfer belt
unit.
At intervals of 47.1 mm (1.86
inches)
Defective toner mixing auger Replace the PCU.
At intervals of 56.5 mm (2.23
inches)
Defective development roller Replace the PCU
At intervals of 72.8 mm (2.87
inches)
Defective belt tension roller
Replace the transfer belt
unit.
At intervals of 82.2 mm (3.24
inches)
Defective transfer belt drive
roller
Replace the transfer belt
unit.
At intervals of 82.5 mm (3.25
inches)
Defective transfer roller Replace the transfer roller.
At intervals of 94.2 mm (3.71
inches)
Defective OPC drum or
pressure roller
Replace the PCU or the
fusing unit
At intervals of 141.4 mm (5.57
inches)
Defective fusing belt Replace the fusing unit.
4.3.6 DARK VERTICAL LINE ON PRINTS
Symptom Possible cause Necessary actions
.
A dark line appears. The line is
parallel to the paper feed
direction of one CMY color.
Defective PCU Replace the PCU.
Dust in the laser beam path Clean the laser beam path.
Defective transfer belt unit Replace the transfer belt unit.
A dark line appears. The line is
parallel to the paper feed
direction of any color (not C,
M, or Y).
Defective fusing unit Replace the fusing unit.
4.3.7 WHITE HORIZONTAL LINES OR BANDS
Symptom Possible cause Necessary actions
Defective PCU Replace the PCU. White lines or bands appear
in images of all toner colors.
Defective transfer belt unit Replace the transfer belt unit.
CÓPIA NÃO CONTROLADA
CÓPIA NÃO CONTROLADA