Canon ImageRunner iR8500 Series, Service Manual, Page: 929 / 1122

Chapter 17
17-85
T-17-87
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T-17-88
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T-17-89
COPIER > ADJUST > DENS
Sub-item Description Level
DENS-ADJ Correcting the image (copy/print) density
The F-value table is corrected if an image becomes fogged or blurred.
1
<Setting range> 1 to 9 (Default: 5)
Setting a greater value reduces fogging.
Setting a smaller value reduces blurring.
If RAM on the DC controller circuit board has been cleared or the board itself has been
replaced, enter the value from the service label.
COPIER > ADJUST > BLANK
Sub-item Description Level
BLANK-T Use it to enter a value for the image leading edge non-image width.
1
<Setting range> 0 to 2362 (Default: 0)
Setting a greater value increases the chipping width.
If RAM on the DC controller circuit board has been cleared or the board itself
has been replaced, enter the value from the service label.
BLANK-B Use it to enter a value for the image trailing edge non-image width.
1
<Setting range> 0 to 2362 (Default: 0)
Setting a greater value increases the chipping width.
If RAM on the DC controller circuit board has been cleared or the board itself
has been replaced, enter the value from the service label.
BLANK-TE Use it to enter a value of the non-image width in image main scanning direction
(left, right).
1
<Setting range> 10 to 50 (unit: 0.1 mm), default: 25
If RAM on the DC controller circuit board has been cleared or the board itself
has been replaced, enter the value from the service label.
COPIER > ADJUST > V-CONT
Sub-item Description Level
If RAM on the DC controller circuit board has been cleared or the board itself has been replaced, enter the
value from the service label.
EPOTOFST Use it to enter an offset value for the voltage potential sensor
1
<Setting range>
ޓ
0 to 30
VL-OFST Use it to enter an offset value for the voltage potential control light-area target
voltage potential.
1
<Setting range>
ޓ
-50 to 50 (unit: 1 V)
White
Cop
y density
Black
Original density
White
F9
F1
A lower value reduces
fogging. A higher value reduces
fuzziness.