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Feeder; Adjust - Canon MF8580Cdw Service Manual

Mf8500/mf8200 series
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Also See for MF8580Cdw 
Manual - 750 pages
User manual - 750 pages
Getting started - 292 pages

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FEEDER

ADJUST

FEEDER > ADJUST
DOCST
Fine adjustment of VSYNC timing at ADF reading [front side]
Details
To make a fine adjustment of VSYNC timing when reading the front
side of original with ADF.
Execute when the output image after ADF installation is displaced.
When replacing the Main Controller PCB, enter the value of service
label.
As the value is incremented by 1, the margin at the leading edge of
the image is decreased by 0.1mm. (The image moves in the direction
of the leading edge of the sheet.)
Use case
• When installing ADF
• When replacing the Main Controller PCB
Adj/set/operate method Enter the setting value (switch negative/positive by -/+ key) and
press OK key.
Display/adj/set range
-30 to 30
Unit
0.1 mm
Default value
0
LA-SPD
Fine adjustment of magnification ratio in vertical scanning direction
at ADF stream reading [front side]
Details
To make a fine adjustment of the image magnification ratio in vertical
scanning direction when stream reading the front side of original with
ADF.
As the value is incremented by 1, the image is reduced by 0.01% in
vertical scanning direction. (The feeding speed increases, and the
image is reduced.)
Use case
• When installing ADF
• When replacing the Main Controller PCB
Adj/set/operate method Enter the value, and then press OK key.
Display/adj/set range
-200 to 200
Unit
0.01%
Default value
0
8
Service Mode > FEEDER > ADJUST
8
Service Mode > FEEDER > ADJUST
FEEDER > ADJUST
DOCST2
Fine adjustment of VSYNC timing at ADF reading [back side]
Details
To make a fine adjustment of VSYNC timing when reading the back
side of original with ADF.
Execute when the output image after ADF installation is displaced.
When replacing the Main Controller PCB, enter the value of service
label.
As the value is incremented by 1, the margin at the leading edge of
the image is decreased by 0.1mm. (The image moves in the direction
of the leading edge of the sheet.)
Use case
• When installing ADF
• When replacing the Main Controller PCB
Adj/set/operate method Enter the setting value (switch negative/positive by -/+ key) and
press OK key.
Display/adj/set range
-30 to 30
Unit
0.1 mm
Default value
0
DOCST-R
Fine adjustment of trailing edge at ADF reading
Details
To make a fine adjustment of trailing edge when reading original with
ADF.
Execute when the output image after ADF installation is displaced.
When replacing the Main Controller PCB, enter the value of service
label.
As the value is incremented by 1, the margin at the trailing edge of
the image is decreased by 0.1mm. (The image moves in the direction
of the trailing edge of the sheet.)
Use case
• When installing ADF
• When replacing the Main Controller PCB
Adj/set/operate method Enter the setting value (switch negative/positive by -/+ key) and
press OK key.
Display/adj/set range
-30 to 30
Unit
0.1 mm
Default value
0
LA-SPD2
Fine adjustment of magnification ratio in vertical scanning direction
at ADF stream reading [back side]
Details
To make a fine adjustment of the image magnification ratio in vertical
scanning direction when stream reading the back side of original with
ADF.
As the value is incremented by 1, the image is reduced by 0.01% in
vertical scanning direction. (The feeding speed increases, and the
image is reduced.)
Use case
When replacing the Main Controller PCB
Adj/set/operate method Enter the value, and then press OK key.
Display/adj/set range
-200 to 200
Unit
0.01%
Default value
0
8-34
T-8-27
8-34

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