Canon iR3245, Service Manual

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Chapter 17
17-39
ADJ-Y 1 Title Adjustment value of image scan-start position <Y-direction>
Purpose Adjust the value for image scan-start position <Y-direction>
Situation When executing RAM clear of reader controller PCB, when replacing reader controller PCB
Note - Be sure to enter the value on service label when executing RAM clear of the reader controller PCB/
replacing the reader controller PCB
- If changing the setting value of this item, be sure to Note the changed value on the reader's service
label.
Settings/Adjustment range 85 to 290
Unit 0.1mm
Amount of change per unit 0.1mm shift of image scan-start position toward the trail edge direction by 1-increment in the setting
value (image scan range shifts toward the trail edge direction).
Value at RAM clear/
adjustment at factory
shipment 144/Yes
Setting/Adjustment/Operation
method 1) Select the item to be highlighted to enter the setting value, and then press OK key.
2) Turn OFF and then ON the main power switch.
Relevant Service Mode -
Supplementary info/Memo - Decrease the setting value if non-image width is bigger than the specific value.
- Increase the setting value if copying area exceeds the original area
ADJ-S 1 Title Adjustment of CCD scan-start cell position (image scan-start position in horizontal scanning direction)
Purpose Adjust the position to measure data for shading correction with standard white plate.
Situation -
Note -
Settings/Adjustment range 20 to 500
Unit -
Amount of change per unit 0.1 mm
Value at RAM clear/
adjustment at factory
shipment 121/Yes
Setting/Adjustment/Operation
method 1) Select the item to be highlighted to enter the setting value, and then press OK key.
2) Turn OFF and then ON the main power switch.
Relevant Service Mode -
Supplementary info/Memo -
ADJ-Y-DF 1 Title Adjustment of horizontal scanning position at feeder mode
Purpose Adjust horizontal scanning position at feeder mode (because there is no mechanism to adjust side
registration with feeder's document tray)
Situation When executing RAM clear of reader controller PCB, when replacing reader controller PCB
Note - Be sure to enter the value on service label when executing RAM clear of the reader controller PCB/
replacing the reader controller PCB
- If changing the setting value of this item, be sure to Note the changed value on the reader's service
label.
Settings/Adjustment range 50 to 290
Unit 0.1mm
Amount of change per unit 0.1mm shift of image scan-start position toward the front direction by 1-increment in the setting value.
Value at RAM clear/
adjustment at factory
shipment 144/Yes
Setting/Adjustment/Operation
method 1) Select the item to be highlighted to enter the setting value, and then press OK key.
2) Turn OFF and then ON the main power switch.
Relevant Service Mode -
Supplementary info/Memo -
STRD-POS 1 Title Adjustment of CCD scan position at stream-reading mode with DF
Purpose - Be sure to enter the value on service label when executing RAM clear of the reader controller PCB/
replacing the reader controller PCB
- If changing the setting value of this item, be sure to Note the changed value on the reader's service
label.
Situation -
Note -
Settings/Adjustment range 1 to 200
Unit -
Amount of change per unit 0.1 mm
Value at RAM clear/
adjustment at factory
shipment 100/Yes
Setting/Adjustment/Operation
method 1) Select the item to be highlighted to enter the setting value, and then press OK key.
2) Turn OFF and then ON the main power switch.
Relevant Service Mode COPIER > FUNCTION > INSTALL > STRD-POS
COPIER > FUNCTION > DOSCT
Supplementary info/Memo -
COPIER > ADJUST > ADJ-XY
Item Level Description