Vsg Adjustment Result - Ricoh D037 Service Manual

Process Control Error Conditions
No. Result
Sampling data
error during
59
gamma
correction
Unexpected
99
error

Vsg Adjustment Result

SP3-325-001 to -010 (Vsg Adjustment Result)
No. Result
1 O.K
ID sensor
2 adjustment
error
ID sensor
3
output error
D037/D038/D040/D041
Description
Not enough data can
be sampled during the
gamma correction.
Process control fails.
Description Possible Causes/Action
Vsg adjustment
-
is correctly done.
Vsg cannot be
adjusted within
1.
4.0 ±0.5V.
2.
3.
4.
5.
6.
ID sensor output
is more than
Possible Causes/Action
Same as 53
ID sensor pattern density is too high
or low.
Hardware defective
Same as 53
Power Failure
Check the power source.
Dirty ID sensors (toner, dust, or foreign
material)
Dirty image transfer belt
Scratched image transfer belt
Defective ID sensors
Poor connection
Defective BCU
Clean the ID sensors.
Check the ITB cleaning unit. Clean or
replace the image transfer belt.
Replace the image transfer belt.
Replace the ID sensors.
Check the connection.
Replace the BCU board.
Defective ID sensors
Poor connection
5-4 SM Appendix