Ricoh M022, Service Manual

Page: 708 / 1152

No. Result Description Possible Causes/Action
54
ID sensor
coefficient (K5)
maximum/
minimum error
When the K5 is more than
the value of
SP3-362-003 or less
than the value of
SP3-362-004, the error
54 is displayed.
• ID sensor pattern density is too high or low.
• ID sensor or shutter is defective.
Same as 53
55
Gamma error:
Maximum Gamma is out of range.
5.0 < Gamma
• ID sensor pattern density is too high.
• Hardware defective.
Same as 53
56
Gamma error:
Minimum
Gamma is out of range.
Gamma < 0.15
• ID sensor pattern density is too low.
• Hardware defective.
1. Same as 53
2. Replace the toner supply pump unit.
57
Vk error:
Maximum
Vk is out of range.
150 < Vk
• ID sensor pattern density is too low.
• Hardware defective.
Same as 53
58
Vk error:
Minimum
Vk is out of range.
Vk < –150
• ID sensor pattern density is too high.
• Background dirty
• Hardware defective
Same as 53
59
Sampling data
error during
gamma
correction
Not enough data can be
sampled during the
gamma correction.
• ID sensor pattern density is too high or low.
• Hardware defective
Same as 53
99
Unexpected
error
Process control fails.
• Power Failure
Check the power source.
6. Troubleshooting
706
6
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