Reader - Canon imageRUNNER 2530 Service Manual

<194: ADF special standard-sized paper: LTR misidentification-
ready>
Set to use special standard-sized paper that is not otherwise identifiable to the ADF (because
it is misidentified as "LTR").
0: LTR
1: G_LTR
2: A_LTR
<195: ADF special standard-sized paper: LTR_R misidentification-
ready>
Set to use special standard-sized paper that is not otherwise identifiable to the ADF (because
it is misidentified as "LTRR").
0: LTR_R
1: FOOLSCAP
2: OFFICIO
3: E_OFFICIO
4: G_LTR_R
5: A_LTR_R

READER

(#SCAN> READER> DISPLAY> CCD> TARGET-B)
Target value of shading for blue
If the scanned image has some failure, check the target value of shading for blue.
If the machine continues to display 0 (minimum) or FFFF (maximum), there may be some
problem on main controller PCB.
Appropriate guideline :1 to 2047
(#SCAN> READER> DISPLAY> CCD> TARGET-G)
Target value of shading for green
If the scanned image has some failure, check the target value of shading for green.
If the machine continues to display 0 (minimum) or FFFF (maximum), there may be some
problem on main controller PCB.
Appropriate guideline :1 to 2047
8
Service Mode > Details of Service Mode > #SCAN > READER
8 Service Mode > Details of Service Mode > #SCAN > READER
(#SCAN> READER> DISPLAY> CCD> TARGET-R)
Target value of shading for red
If the scanned image has some failure, check the target value of shading for red.
If the machine continues to display 0 (minimum) or FFFF (maximum), there may be some
problem on main controller PCB.
Appropriate guideline :1 to 2047
(#SCAN> READER> DISPLAY> CCD> OFST)
Adjustment value of offset level on CCD/CIS
To judge if this adjustment value is correct when an image fault attributed to CCD occurs.
Appropriate guideline :0 to 255
(#SCAN> READER> DISPLAY> CCD> GAIN)
Adjustment value of gain level on CCD/CIS
To judge if this adjustment value is correct when an image fault attributed to CCD/CIS occurs.
Appropriate guideline :0 to 255
(#SCAN> READER> I/O> R-CON> P001)
The P001 port indication of the reader relay PCB
Display the I/O state of the sensor of the reader unit.
Bit Name
Bit0 Copyboard cover open/closed sensor
(rear) (S32)
Bit1 CCD HP sensor (S31)
Bit2 Not used.
Bit3 Copyboard cover open/closed sensor
(front) (S33)
Bit4 Document size snsor 0 (S34)
Bit5 Document size snsor 1 (S35)
Bit6 Document size snsor 2 (S36)
Bit7 Document size snsor 3 (S37)
Bit8-15 Not used.
(#SCAN> READER> I/O> FEEDER> P001)
The P001 port indication of the ADF driver PCB
Display the I/O state of the sensor of the ADF unit.
Bit Name
Bit0 Document tray width sensor 2 (PI2)
8-21
Display contents Remarks
1: Open ADF open angle: 5
degrees
1: HP
1: Open
1: Document present ADF open angle: 25
degrees
1: Document present
1: Document present
1: Document present
1: Document present
T-8-33 T-8-33
Display contents Remarks
1: Document present
8-21