Image Adjustment Basic Procedure 3 - Canon iR C6800 Series Service Manual

Chapter 12

12.1.3 Image Adjustment Basic Procedure 3

Image Adjustment Basic Procedure 3
<Check the Laser output>
Image adjustment basic procedure 3
Turn on the potential control mechanism:
COPIER>OPTION>BODY>P0-CNT '1'
Make the following selections in service mode,
and set '1' :
COPIER>FUNCTION>DPC>DPC. Thereafter,
turn off and then on the main power switch.
Check the following service mode settings:
COPIER>DISPLAY>DPOT>LPWR-Y
COPIER>DISPLAY>DPOT>LPWR-M
COPIER>DISPLAY>DPOT>LPWR-C
COPIER>DISPLAY>DPOT>LPWR-K
Is the reading
between 00 and FF?
Check the voltage level of CP11 found on
the DC controller PCB during black printing
operation.
Is the voltage level
(laser output)
of CP11 within the
limit (2.0 V)?
Replace the laser scanner unit.
F-12-3
12-4
Unconditional execution
of potential control mechanism
YES
NO
NO
YES
To image adjustment basic
procedure 4
To image adjustment basic
procedure 4
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