Canon imageRUNNER ADVANCE 4551i Service Manual page 632

COPIER > DISPLAY > CCD
GAIN2BW1 2
Detail
Use Case
Adj/Set/Operate Method
Display/Adj/Set Range
Appropriate Target Value
GAIN2BW2 2
Detail
Use Case
Adj/Set/Operate Method
Display/Adj/Set Range
Appropriate Target Value
GAIN2BW3 2
Detail
Use Case
Adj/Set/Operate Method
Display/Adj/Set Range
Appropriate Target Value
GAIN2BW4 2
Detail
Use Case
Adj/Set/Operate Method
Display/Adj/Set Range
Appropriate Target Value
GAIN2-OR 2
Detail
Use Case
Adj/Set/Operate Method
Display/Adj/Set Range
Appropriate Target Value
GAIN2-OG 2
Detail
Use Case
Adj/Set/Operate Method
Display/Adj/Set Range
Appropriate Target Value
Read Sensor gain level adj VL1:B&W, back
To display the Reading Sensor B&W gain level adjustment value 1 of Scanner Unit (for back side).
When image failure occurs at back side scanning in black mode.
N/A (Display only)
0 to 65535
0 - 143
Read Sensor gain level adj VL2:B&W, back
To display the Reading Sensor B&W gain level adjustment value 2 of Scanner Unit (for back side).
When image failure occurs at back side scanning in black mode.
N/A (Display only)
0 to 65535
0 - 143
Read Sensor gain level adj VL3:B&W, back
To display the Reading Sensor B&W gain level adjustment value 3 of Scanner Unit (for back side).
When image failure occurs at back side scanning in black mode.
N/A (Display only)
0 to 65535
0 - 143
Read Sensor gain level adj VL4:B&W, back
To display the Reading Sensor B&W gain level adjustment value 4 of Scanner Unit (for back side).
When image failure occurs at back side scanning in black mode.
N/A (Display only)
0 to 65535
0 - 143
Gain lvl of Read Sensor odd bit(R):back
To display the Red gain level adjustment value in odd-numbered bit on the Reading Sensor of
Scanner Unit (for back side).
Continuous display of upper limit is considered a failure of the Scanner Unit/Reader Controller
PCB.
- When replacing the Reader Controller PCB
- At scanned image failure
N/A (Display only)
0 to 65535
0 - 143
Gain lvl of Read Sensor odd bit(G):back
To display the Green gain level adjustment value in odd-numbered bit on the Reading Sensor of
Scanner Unit (for back side).
Continuous display of upper limit is considered a failure of the Scanner Unit/Reader Controller
PCB.
- When replacing the Reader Controller PCB
- At scanned image failure
N/A (Display only)
0 to 65535
0 - 143
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8. Service Mode