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Canon MF8580Cdw Service Manual page 106

Mf8500/mf8200 series
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Manual - 750 pages
User manual - 750 pages
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4
Disassembly/Assembly > Document Exposure, Feed System > Separating the ADF Unit + Reader Unit > After replacing ADF units
4) Raise the ADF Unit [1] to separate from the Reader Unit [2] in the direction of the arrow.
NOTE:
Be sure to open the ADF Unit [1] to the degree indicated with the direction of the arrow
[A]; otherwise, the ADF Unit cannot be separated from the Reader Unit [3] because of
the 2 claws [2].
[2]
[3]
[1]
4
Disassembly/Assembly > Document Exposure, Feed System > Separating the ADF Unit + Reader Unit > After replacing ADF units
[1]
[2]
F-4-59
[A]
[2]
F-4-60
■ After replacing ADF units
1) After executing the white level adjustment with the following service mode 1, check the
auto setting value with the following service mode 2 and write the value in the service label.
1. White level adjustment
• COPIER > FUNCTION > CCD > DF-WLVL1 (White level adjustment [copyboard
scanning])
• COPIER > FUNCTION > CCD > DF-WLVL2 (White level adjustment [DF scanning])
• COPIER > FUNCTION > CCD > DF-WLVL3 (White level adjustment BW [copyboard
scanning])
• COPIER > FUNCTION > CCD > DF-WLVL4 (White level adjustment BW [DF
scanning])
2. Checking the setting value
• COPIER> ADJUST> CCD> DFTAR-R (RED shading target value when using DF)
• COPIER> ADJUST> CCD> DFTAR-G (GREEN shading target value when using DF)
• COPIER> ADJUST> CCD> DFTAR-B (BLUE shading target value when using DF)
• COPIER> ADJUST> CCD> DFTAR-BW (Monochrome shading target value when
using DF)
2) Execute the reading position adjustment with the following service mode.
• COPIER > ADJUST > ADJ-XY > ADJ-Y (Value adjustment for image reading start
position [vertical scanning direction] <X-axis direction>)
• COPIER > ADJUST > ADJ-XY > ADJ-Y-DF (Adjustment of surface horizontal scanning
position in FEEDER mode)
• COPIER > ADJUST > ADJ-XY > ADJ-X-MG (Fine-adjustment of optical motor speed)
3) Execute the original stop position and feed speed adjustment at stream reading.
• FEEDER > ADJUST > DOCST (Image reading start position adjustment at ADF
reading)
• FEEDER > ADJUST > LA-SPEED (Original feed speed adjustment)
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