Ricoh G133 Service Manual page 296

Troubleshooting Guide
One of
results
(-010, -011,
-012): "5"
(Out of
adjustable
range)
G133
After Executing SP2-111-003
Normal image, but
with color registration
errors
The main scan
registrations of M, C,
Y are shifted by more
than ± 15 mm from
the main scan
registration of Bk.
The sub scan
registrations of M, C,
Y are shifted by more
than ± 20 mm from
the sub scan
registration of Bk.
The main scan
registration is shifted
by more than ± 0.66
mm, but only at the
central area of the
image on the output.
The skew for M, C, Y
is more than ± 0.75
mm from the main
scan registration of
4-80
4. Replace the EGB.
Defective ID sensor shutter
Defective ID sensor
Defective EGB
1. Replace the ID sensor shutter
solenoid.
2. Replace the ID sensor.
3. Replace the EGB.
Defective laser optics housing unit
Defective EGB
1. Replace the laser optics housing
unit.
2. Replace the EGB.
Defective image transfer belt
Defective drive units
Defective EGB
1. Replace the image transfer belt.
2. Replace the drum motor.
3. Replace the EGB.
Defective ID sensor at center
Deformed center area on the
image transfer belt
Defective EGB
1. Replace the ID sensor.
2. Replace the image transfer belt.
3. Replace the EGB.
Defective PCU
Defective laser optics housing unit
Defective EGB
1. Reinstall or replace the PCU.
SM