COPYRIGHT© 2001 CANON INC.
2000 2000 2000 2000
CANON iR105 REV.0 JULY 2001
CHAPTER 6 TROUBLESHOOTING
6-5
1.1.3
Making Checks on the Printer Side (2/2)
F06-101-03
Is the output foggy?
Is the reading of
<VDM> between 390
and 460?
Is the reading of
<VL1M> between 50
and 90?
Check the following; if
faulty, replace it:
1. Laser output
2. Potential control
system
Decrease the value of the following
in service mode:
ADJUST>DEVELOP>DE-OFST.
n
A lower value makes images
lighter.
<Checking for fogging>
<Checking Halftone Density>
NO
YES
NO
YES
NO
YES
Check PG6 (blank)
Check PG4 (halftone)
End.
Make the following in service
mode:
COPIER>DISPLAY>DPOT>VDM.
Make the following selections in
service mode:
COPIER>DISPLAY>DPOT>VL1M.
A
Compared with
No. 6 and No. 7 (halftone),
is the density about
the same?
NO
YES
Check the potential
control system; if
normal, replace the
photosensitive drum.
Set the following in service mode
to between 1 and 9:
ADJUST>DENS>DENS-ADJ.
n
A higher value makes images
darker.
Summary of Contents for iR105 Series
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