Ricoh G133 Service Manual page 299

Result:
"0"
No color
registration
errors
Color
registration
errors
SM
After Executing SP2-111-001
The skew for M, C, Y
is more than ± 0.75
mm from the main
1.
scan registration of
2.
Bk. – at the end of
the scan line?
3.
Others
1.
2.
The main scan
registration of Bk is
1.
shifted.
The main scan
length of Bk is
1.
shifted.
Low image density 1.
on the output
The main scan
registration is shifted,
but only at the
central area of the
image on the output. 1.
2.
4-83
Troubleshooting Guide
Defective PCU
Defective laser optics housing unit
Defective EGB
Reinstall or replace the PCU.
Replace the laser optics housing
unit.
Replace the EGB.
Skew correction upper limit error
Defective EGB
Defective laser optics housing unit
Replace the EGB.
Replace the laser optics housing
unit.
Abnormal SP setting value of
main scan: Bk
Adjust the value with
SP2-101-001.
Abnormal SP setting value of
main scan length detection: Bk
Adjust the value with
SP2-185-001.
Low pattern density
Do the forced process control
(SP3-011-001) or supply some
toner (SP3-015-xxx).
Defective ID sensor at center
Deformed center area on the
image transfer belt
Defective EGB
Replace the ID sensor.
Replace the image transfer belt.
G133