Canon imageRUNNER ADVANCE 4551i Service Manual page 629

COPIER > DISPLAY > CCD
GAIN-OG 2
Detail
Use Case
Adj/Set/Operate Method
Display/Adj/Set Range
Appropriate Target Value
GAIN-OR 2
Detail
Use Case
Adj/Set/Operate Method
Display/Adj/Set Range
Appropriate Target Value
GAIN-EB 2
Detail
Use Case
Adj/Set/Operate Method
Display/Adj/Set Range
Appropriate Target Value
GAIN-EG 2
Detail
Use Case
Adj/Set/Operate Method
Display/Adj/Set Range
Appropriate Target Value
Gain level of Read Sensor odd bit(G):frt
To display the Green gain level adjustment value in odd-numbered bit on the Reading Sensor of
Scanner Unit (for front side).
Continuous display of upper limit is considered a failure of the Scanner Unit/Reader Controller
PCB.
When the value is out of the target value range, image failure or E302 (shading error) may have
occurred. Identify the cause according to the value.
- When replacing the Reader Controller PCB
- At scanned image failure
N/A (Display only)
0 to 65535
0 - 143
Gain level of Read Sensor odd bit(R):frt
To display the Red gain level adjustment value in odd-numbered bit on the Reading Sensor of
Scanner Unit (for front side).
Continuous display of upper limit is considered a failure of the Scanner Unit/Reader Controller
PCB.
When the value is out of the target value range, image failure or E302 (shading error) may have
occurred. Identify the cause according to the value.
- When replacing the Reader Controller PCB
- At scanned image failure
N/A (Display only)
0 to 65535
0 - 143
Gain lvl of Read Sensor even bit(B):frt
To display the Blue gain level adjustment value in even-numbered bit on the Reading Sensor of
Scanner Unit (for front side).
Continuous display of upper limit is considered a failure of the Scanner Unit/Reader Controller
PCB.
When the value is out of the target value range, image failure or E302 (shading error) may have
occurred. Identify the cause according to the value.
- When replacing the Reader Controller PCB
- At scanned image failure
N/A (Display only)
0 to 65535
0 - 143
Gain lvl of Read Sensor even bit(G):frt
To display the Green gain level adjustment value in even-numbered bit on the Reading Sensor of
Scanner Unit (for front side).
Continuous display of upper limit is considered a failure of the Scanner Unit/Reader Controller
PCB.
When the value is out of the target value range, image failure or E302 (shading error) may have
occurred. Identify the cause according to the value.
- When replacing the Reader Controller PCB
- At scanned image failure
N/A (Display only)
0 to 65535
0 - 143
616
8. Service Mode