Canon Color imageRUNNER C4580, Service Manual

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Chapter 19
19-10
7. CCD
T-19-11
8. DPOT
Displaying Photosensitive Drum Surface Potential Control Data
T-19-12
COPIER>DISPLAY>CCD
Sub item Description level.
TARGET-B Use it to check the shading target value for B. 2
TARGET-G Use it to check the shading target value for G. 2
TARGET-R Use it to check the shading target value for R. 2
GAIN-OB Use it to indicate the gain level adjustment value (for color) of odd-numbered blue bits of the CCD. 2
GAIN-OG Use it to indicate the gain level adjustment value (for color) of odd-numbered green bits of the CCD. 2
GAIN-OR Use it to indicate the gain level adjustment (for color) of odd-numbered red bits of the CCD. 2
GAIN-EB Use it to indicate the gain level adjustment value (for color) of even-numbered blue bits of the CCD. 2
GAIN-EG Use it to indicate the gain level adjustment (for color) of even-numbered green bits of the CCD. 2
GAIN-ER Use it to indicate the gain level adjustment value (for color) of even-numbered red bits of the CCD. 2
COPIER>DISPLAY>DPOT
Sub item Description level.
MEMO:
For items other than DPOT-K, displaying value at the time of the latest potential control.
2TR-PPR Use it to check the output value of the paper separation voltage of the secondary transfer DC voltage
generated last.
2
2TR-BASE Use it to check the output value of the reference voltage of the secondary transfer DC voltage generated
last.
2
1TR-DC-Y Use it to check the output value of the primary transfer DC voltage (Y) generated last. 2
1TR-DC-M Use it to check the output value of the primary transfer DC voltage (M) generated last. 2
1TR-DC-C Use it to check the output value of the primary transfer DC voltage (C) generated last. 2
1TR-DC-K Use it to check the output value of the primary transfer DC voltage (K) generated last. 2
CHG-AC-Y output value of primary charge AC voltage (Y) output last 2
CHG-AC-M output value of primary charge AC voltage (M) output last) 2
CHG-AC-C output value of primary charge AC voltage (C) output last) 2
CHG-AC-K output value of primary charge AC voltage (Bk) output last) 2