Canon Color imageCLASS MF8280Cw, Service Manual

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Service Mode > COPIER > ADJUST > CCD
Service Mode > COPIER > ADJUST > CCD
COPIER > ADJUST > CCD M82 M85
100DF-RG Color displacement (R and G lines) correction value in the
vertical scanning direction at ADF reading (100%)
○ ○
Details To correct the color displacement (R and G lines) in the
vertical scanning direction at 100% ADF reading.
When replacing the Main Controller PCB, enter the value
of service label.
Use case When replacing the Main Controller PCB
Adj/set/operate method Enter the setting value (switch negative/positive by -/+
key) and press OK key.
Caution After the setting value is changed, write the changed
value in the service label.
Display/adj/set range -512 to 512
Unit 0.001 line
Default value -333
Supplement/memo 100% reading: 600 dpi in horizontal scanning direction x
600 dpi in vertical scanning direction reading mode.
100DF-GB Color displacement (G and B lines) correction value in the
vertical scanning direction at ADF reading (100%)
○ ○
Details To correct the color displacement (G and B lines) in the
vertical scanning direction at 100% ADF reading.
When replacing the Main Controller PCB, enter the value
of service label.
Use case When replacing the Main Controller PCB
Adj/set/operate method Enter the setting value (switch negative/positive by -/+
key) and press OK key.
Caution After the setting value is changed, write the changed
value in the service label.
Display/adj/set range -512 to 512
Unit 0.001 line
Default value 333
Supplement/memo 100% reading: 600 dpi in horizontal scanning direction x
600 dpi in vertical scanning direction reading mode.
OFST-BW0 Adjustment of CIS (Rear) at B&W reading
○ ○
Details To adjust the offset of the CIS (Rear) when reading B&W
original.
Use case When replacing the CIS Unit
Adj/set/operate method Enter the setting value, and then press OK key.
Display/adj/set range
0 to 255
Default value 8
Related service mode COPIER>FUNCTION>CCD>BW-AGC
COPIER > ADJUST > CCD M82 M85
OFST-BW1 Adjustment of CIS (Center) at B&W reading
○ ○
Details To adjust the offset of the CIS (Center) when reading
B&W original.
Use case When replacing the CIS Unit
Adj/set/operate method Enter the setting value, and then press OK key.
Display/adj/set range
0 to 255
Default value 8
Related service mode COPIER>FUNCTION>CCD>BW-AGC
OFST-BW2 Adjustment of CIS (Front) at B&W reading
○ ○
Details To adjust the offset of the CIS (Front) when reading B&W
original.
Use case When replacing the CIS Unit
Adj/set/operate method Enter the setting value, and then press OK key.
Display/adj/set range
0 to 255
Default value 8
Related service mode COPIER>FUNCTION>CCD>BW-AGC
OFST-CL0 Adjustment of CIS (Rear) at color reading
○ ○
Details To adjust the offset of the CIS (Rear) when reading color
original.
Use case When replacing the CIS Unit
Adj/set/operate method Enter the setting value, and then press OK key.
Display/adj/set range
0 to 255
Default value 8
Related service mode COPIER>FUNCTION>CCD>CL-AGC
OFST-CL1 Adjustment of CIS (Center) at color reading
○ ○
Details To adjust the offset of the CIS (Center) when reading
color original.
Use case When replacing the CIS Unit
Adj/set/operate method Enter the setting value, and then press OK key.
Display/adj/set range
0 to 255
Default value 8
Related service mode COPIER>FUNCTION>CCD>CL-AGC
OFST-CL2 Adjustment of CIS (Front) at color reading
○ ○
Details To adjust the offset of the CIS (Front) when reading color
original.
Use case When replacing the CIS Unit
Adj/set/operate method Enter the setting value, and then press OK key.
Display/adj/set range
0 to 255
Default value 8
Related service mode COPIER>FUNCTION>CCD>CL-AGC