Canon imagePRESS C1 Service Manual - page 938
Chapter 16
16-41
8.CCD
T-16-54
9.DPOT
T-16-55
1TR-VMOF
Offset for adjustment of the primary transfer DC voltage monitor
Setting range:-999 to 999(mv)
1
2TR-CMOF
Offset for adjustment of the secondary transfer DC current monitor
Setting range:-999 to 999(mv)
1
2TR-VMOF
Offset for adjustment of the secondary transfer DC voltage monitor
Setting range:-999 to 999(mv)
1
BCL1CMOF
Offset for adjustment of the ITB cleaner upstream current monitor
Setting range:-999 to 999(mv)
1
BCL2CMOF
Offset for adjustment of the ITB cleaner downstream current monitor
Setting range:-999 to 999(mv)
1
1ATVC-Y/M/C
Target current level at primary transfer ATVC (Y/M/C color) [Unit: µA]
2
1ATVC-K4
Target current level for primary transfer ATVC (K color in full color mode) [Unit: µA]
2
1ATVC-K1
Target current level for primary transfer ATVC (K color in monochrome mode) [Unit: µA]
2
1EL
Monitor value for the ITB tension roller bias
Display range: -4000 to 0
Standard value: -4000 (Unit: V)
2
2EL
Monitor value for the secondary transfer static eliminator bias
Display range: -4000 to 0
Standard value: 0 (Unit: 0V)
2
COPIER > DISPLAY > CCD
Subheading
Contents
Level
TARGET-B
Shading target value for BLUE color
2
TARGET-G
Shading target value for GREEN color
2
TARGET-R
Shading target value for RED color
2
GAIN-OB
Adjustment value for the gain level of the odd bit for CCD BLUE color (for color)
2
GAIN-OG
Adjustment value for the gain level of the odd bit for CCD GREEN color (for color)
2
GAIN-OR
Adjustment value for the gain level of the odd bit for CCD RED color (for color)
2
GAIN-EB
Adjustment value for the gain level of the even bit for CCD BLUE color (for color)
2
GAIN-EG
Adjustment value for the gain level of the even bit for CCD GREEN color (for color)
2
GAIN-ER
Adjustment value for the gain level of the even bit for CCD RED color (for color)
2
COPIER > DISPLAY > DPOT
Subheading
Contents
Level
DPOT-K
Surface potential of photosensitive drum (unit: V)
[Checking point]
Optical value: 400 to 950 (note that this value applies during image formation)
If the value is out of optical renge, replace the charging assembly and potential sensor.
1
VRATE-L/Y/M/C/K
Display of the control value (Vcont-L/Y/M/C/K) for clear color to determine the contrast electric
potential
Display the monitor value of Vcont value (L/Y/M/C/K color) determined by image stalization
control (Dmax, PASCAL, etc.)
1
VCONT-Y/M/C/K
Current value of target contrast potential (Y/M/C/K color) (unit: V)
[Checking point]
Optical value: 100 to 420
If the value is out of optical renge, replace the charging assembly and potential sensor.
2
VBACK-Y/M/C/K
Current value of potential to remove the fogging (Y/M/C/K color) (unit: V)
[Checking point]
Optical value: 95 to 230
If the value is out of optical renge, replace the charging assembly and potential sensor.
2
2TR-PPR
Last output value of the paper voltage for the secondary transfer DC voltage
2
2TR-BASE
Last output value of the standard voltage for the secondary transfer DC voltage
2
1TR-DC-Y/M/C/K
Last output value of the primary transfer DC voltage (Y/M/C/K color)
2
LPWR-Y/M/C/K
To display the laser power value of Y/M/C/K color (result of potential control) to get the VL target
potential.
To display the laser power value of each color for VL target value at potential control.
Setting renge: 00 to FF (hexadecimal display)
[Checking point]
Optical value: 40 to FF
If the value is out of optical renge, replace the laser scanner and DC controller.
2
COPIER > DISPLAY > HV-STS
Subheading
Contents
Level