Ricoh D037 Service Manual page 499

No. Result Description
ID sensor
coefficient Not enough data can
53
(K5) detection be sampled.
error
When the K5 is more
ID sensor
than the value of
coefficient
SP3-362-003 or less
54 (K5)
than the value of
maximum/
SP3-362-004, the
minimum error
error 54 is displayed.
Gamma error: Gamma is out of
55
Maximum range. 5.0 < Gamma
Gamma is out of
Gamma error:
56 range.
Minimum
Gamma < 0.15
Vk error: Vk is out of range.
57
Maximum 150 < Vk
Vk error: Vk is out of range.
58
Minimum Vk < –150
SM Appendix
Process Control Error Conditions
Possible Causes/Action
1. Replace the development unit.
2. Replace the BCU board.
Solid image is not sufficient density:
1. Retry the process control.
2. Replace the ID sensors.
3. Replace the BCU board.
Solid image is O.K.
1. Replace the ID sensors.
2. Replace the BCU board.
ID sensor is dirty:
1. Clean the ID sensors.
2. Retry the process control.
ID sensor pattern density is too high
or low.
ID sensor or shutter is defective.
Same as 53
ID sensor pattern density is too high.
Hardware defective.
Same as 53
ID sensor pattern density is too low.
Hardware defective.
1. Same as 53
2. Replace the toner hopper unit.
ID sensor pattern density is too low.
Hardware defective.
Same as 53
ID sensor pattern density is too high.
Background dirty
Hardware defective
5-3 D037/D038/D040/D041