Canon imageRUNNER ADVANCE 4551i Service Manual page 654

COPIER > ADJUST > ADJ-XY
ADJ-Y 1
Detail
Use Case
Adj/Set/Operate Method
Caution
Display/Adj/Set Range
Unit
Default Value
Amount of Change per
Unit
ADJ-S 1
Detail
Use Case
Adj/Set/Operate Method
Caution
Display/Adj/Set Range
Unit
Default Value
Related Service Mode
Amount of Change per
Unit
ADJ-Y-DF 1
Detail
Use Case
Adj/Set/Operate Method
Caution
Display/Adj/Set Range
Default Value
Amount of Change per
Unit
Adj start pstn in book mode: horz scan
To adjust the image reading start position in the horizontal scanning direction at copyboard reading.
When replacing the Reader Controller PCB/clearing RAM data, enter the value of service label.
Decrease the value when the non-image width is larger than the standard value.
Increase the value when out of original area is copied.
As the value is incremented by 1, the image position is moved to the rear side by 0.1 mm.
When replacing the Reader Controller PCB/clearing RAM data
1) Enter the setting value (switch negative/positive by -/+ key) and press OK key.
2) Turn OFF/ON the main power switch.
After the setting value is changed, write the changed value in the service label.
-35 to 35
mm
0
0.1
Adjustment of Reader shading position
To adjust the Scanner Unit (for front side) position in feed direction when reading the White Plate
on the left edge of the Copyboard Glass.
When replacing the Scanner Unit, execute RDSHDPOS and write the value of this item in the
service label.
When clearing the Reader-related RAM data, enter the value of service label.
As the value is incremented by 1, the reading position moves to the trailing edge side by 0.1 mm.
- When black lines/white lines appear
- When replacing the Scanner Unit (for front side)
- When clearing the Reader-related RAM data
1) Enter the setting value (switch negative/positive by -/+ key) and press OK key.
2) Turn OFF/ON the main power switch.
After the setting value is changed, write the changed value in the service label.
-100 to 100
mm
0
COPIER> FUNCTION> INSTALL> RDSHDPOS
0.1
Adj start pstn: stream, horz scan, front
To adjust the front side image reading start position in horizontal scanning direction at stream
reading.
When replacing the Reader Controller PCB/clearing RAM data, enter the value of service label.
As the value is incremented by 1, the image position is moved to the rear side by 0.1 mm.
When replacing the Reader Controller PCB/clearing RAM data
1) Enter the setting value (switch negative/positive by -/+ key) and press OK key.
2) Turn OFF/ON the main power switch.
After the setting value is changed, write the changed value in the service label.
-35 to 35
0
0.1
641
8. Service Mode