Ricoh G133 - Page 298

Troubleshooting Guide
G133 4-82 SM
After Executing SP2-111-001
errors  Defective EGB
1. Replace the ID sensor shutter
solenoid.
2. Replace the ID sensor.
3. Replace the EGB.
Low image density
on the output
 Low pattern density
1. Do the forced process control
(SP3-011-001) or supply some
toner (SP3-015-xxx).
The main scan
registrations of M, C,
Y are shifted by more
than ± 1.4 mm from
the main scan
registration of Bk.
 No defective component
 Defective laser optics housing unit
 Defective EGB
1. Do SP2-111-003 again.
2. Replace the laser optics housing
unit.
3. Replace the EGB.
The sub scan
registrations of M, C,
Y are shifted by more
than ± 1.4 mm from
the sub scan
registration of Bk.
 No defective component
 Defective image transfer belt
 Defective drive units
 Defective EGB
1. Do SP2-111-003 again.
2. Replace the image transfer belt.
3. Replace the drum motor.
4. Replace the EGB.
Result: "5"
(Out of
adjustable
range)
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.