Ricoh G133 - Page 296

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