Canon imageRUNNER 1750 Series Service Manual page 277

● #SCAN> READER> I/O> R-CON> P001
Display of I/O port of the Reader Controller PCB (Reader Assembly)
Display the I/O state of the sensor of the reader unit.
Bit Name
Bit0 ADF Open/Close Sensor (PS23)
Bit1 CIS HP Sensor (PS24)
Bit2 Not used
Bit3 Not used
Bit4 Original Size Sensor 1 (PS22)
Bit5 Original Size Sensor 2 (PS21)
Bit6 Not used
Bit7 Not used
Bit8-15 Not used
● #SCAN> READER> I/O> FEEDER> P001
Display of I/O port of the Reader Controller PCB (DADF)
Display the I/O state of the sensor of the ADF unit.
Bit Name
Bit0 Document Width Detection Sensor (PS31) 1: A4-R (LTR-R) or larger,
Bit1 Not used
Bit2 Document Length Detection Sensor (PS32) 1: LGL or larger, 0: Smaller than LGL
Bit3 Not used
Bit4 Not used
Bit5 Read Sensor (PS25)
Bit6 Timing Sensor (PS29)
Bit7 Registration Sensor (PS26)
Bit8 Delivery/Reverse Sensor (PS27)
Bit9 Lower Reverse Sensor (PS28)
Bit10 Not used
Bit11 Not used
Bit12 Not used
Bit13 Document Set Sensor (PS30)
Bit14 ADF connection check
Bit15 Not used
8
Service Mode > Details of Service Mode > #SCAN > READER
Display contents Remarks
1: Open, 0: Close
1: HP
1: Document present 0: No document
1: Document present 0: No document
Display contents Remarks
0: Smaller than A4R (LTR-R)
1: Document present 0: No document
1: Document present 0: No document
1: Document present 0: No document
1: Document present 0: No document
1: Document present 0: No document
1: Connected, 0: Not connected
8 Service Mode > Details of Service Mode > #SCAN > READER
● #SCAN> READER> ADJUST> ADJ-XY> ADJ-X
Adjustment of scanning system image lead edge position. (image's scan-start position in
vertical scanning direction)
0.1mm shift of image scan-start position toward the trail edge direction by 1-increment in the
setting.
NOTE:
If changing the setting value of this item, be sure to Note the changed value on the
service label.
● #SCAN> READER> ADJUST> ADJ-XY> ADJ-Y
Adjustment value of image scan-start position <Y-direction>
0.1mm shift of image scan-start position toward the trail edge direction by 1-increment in the
T-8-34
setting.
NOTE:
If changing the setting value of this item, be sure to Note the changed value on the
service label.
T-8-35
8-28
8-28