Canon imagePRESS 1135 Series Service Manual page 976

COPIER> DISPLAY> DPOT
VDC-N Dspl of developing DC bias: qualityPP
Lv.1 Details Displaying developing DC bias when formulating image with high
quality paper group.
In the case of too light/dark image density, checking of developing
DC bias can determine fault of potential control or D-max control, or
hard disk fault.
Use case To check developing DC bias when the image density is too light or
too dark.
Adj/set/operate method N/A (display only)
Display/adjust/set range 0 to 600
Unit V
Appropriate target value 250 to 430
Related service mode COPIER> DISPLAY> DPOT> VCONT-N, VBACK-N, LPWR-N
Supplement/memo High quality paper group: high quality paper/ recycled paper/
embossed paper/ label/ postcard/ cotton
VDC-S Dspl of developing DC bias: coatedPP
Lv.1 Details Displaying developing DC bias when formulating image with coated
paper group.
In the case of too light/dark image density, checking of developing
DC bias can determine fault of potential control or D-max control, or
hard disk fault.
Use case To check developing DC bias when the image density is too light or
too dark.
Adj/set/operate method N/A (display only)
Display/adjust/set range 0 to 600
Unit V
Appropriate target value 250 to 430
Related service mode COPIER> DISPLAY> DPOT> VCONT-S, VBACK-S, LPWR-S
Supplement/memo Coated paper group: 1-side coated paper/ 2-sided coated paper/
vellum/ film
VDC-T Dspl of developing DC bias: thinPP
Lv.1 Details Displaying developing DC bias when formulating image with thin
paper (52 up to 64 g/m2).
In the case of too light/dark image density, checking of developing
DC bias can determine fault of potential control or D-max control, or
hard disk fault.
Use case To check developing DC bias when the image density is too light or
too dark.
Adj/set/operate method N/A (display only)
Display/adjust/set range 0 to 600
Unit V
Appropriate target value 250 to 430
Related service mode COPIER> DISPLAY> DPOT> VCONT-T, VBACK-N, LPWR-T
8
Service Mode > COPIER > DISPLAY (Status Display Mode) > DPOT
8 Service Mode > COPIER > DISPLAY (Status Display Mode) > DPOT
COPIER> DISPLAY> DPOT
LPWR-N Dspl of laser power: quality PP
Lv.2 Details Displaying laser power when formulating image with high quality
paper group.
In the case of too light/dark image density, checking of laser power
can determine fault of potential control or D-max control, or hard disk
fault.
Use case To check laser power when the image density is too light or too dark.
Adj/set/operate method N/A (display only)
Display/adjust/set range 0 to 255
Appropriate target value 80 to 240
Related service mode COPIER> DISPLAY> DPOT> VCONT-N, VBACK-N, VDC-N
Supplement/memo High quality paper group: high quality paper/ recycled paper/
embossed paper/ label/ postcard/ cotton
LPWR-S Dspl of laser power: coated PP
Lv.2 Details Displaying laser power when formulating image with coated paper
group.
In the case of too light/dark image density, checking of laser power
can determine fault of potential control or D-max control, or hard disk
fault.
Use case To check laser power when the image density is too light or too dark.
Adj/set/operate method N/A (display only)
Display/adjust/set range 0 to 255
Appropriate target value 80 to 240
Related service mode COPIER> DISPLAY> DPOT> VCONT-S, LPW-S, VDC-S
Supplement/memo Coated paper group: 1-side coated paper/ 2-sided coated paper/
vellum/ film
LPWR-T Dspl of laser power: thin PP
Lv.2 Details Displaying laser power when formulating image with thin paper (52
up to 64 g/m2).
In the case of too light/dark image density, checking of laser power
can determine fault of potential control or D-max control, or hard disk
fault.
Use case To check laser power when the image density is too light or too dark.
Adj/set/operate method N/A (display only)
Display/adjust/set range 0 to 255
Appropriate target value 60 to 240
Related service mode COPIER> DISPLAY> DPOT> VCONT-T, VBACK-N, VDC-T
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