CHAPTER 13 TROUBLESHOOTING
13-88
COPYRIGHT © 2002 CANON INC. CANON CLC1100/1130/1150/1160/1180 REV.2 FEB. 2002 PRINTED IN JAPAN (IMPRIME AU JAPON)
15
The copy is solid black.
Cause
-------------
Potential control
Cleaning blade
Output system
(primary
charging, grid
bias)
Original exposure
Anti-counterfeit
mechanism
Original exposure
system
Connectors,
wiring
DC power supply
CCD unit
analog processor
PCB
IP-MAIN PCB
Action
Go to step 5.
End.
• Check the locking
lever of the cleaning
blade.
• Check the temperature
control mechanism of
the photosensitive
drum and SSR.
Replace the high-voltage
cord.
• Check the output
system of the primary
charging assembly and
the grid bias
• Try replacing the
HVT-DC PCB.
See
IV. 46.
.
The anti-counterfeit
mechanism turned on.
Advise the user that
copying bank notes is
illegal.
Remove the object.
End.
Make connections
properly.
See
IV. 44.
Try replacing the
following in turns:
• CCD unit
• Analog processor PCB
• IP-MAIN PCB
(After replacement,
execute the work
under II. H. 5.)
Step
1
2
3
4
5
6
7
8
9
10
Yes/No
YES
YES
NO
NO
YES
NO
YES
YES
YES
NO
NO
YES
Checks
Generate a horizontal stripe test
print (TYPE=10). Is the image
normal?
Execute FUNCTION>DPC>DPC
in service mode. Is the copy image
normal?
Is the photosensitive drum
cleaned?
Is there electrical continuity
between both connectors of the
high-voltage cord connected to the
primary charging assembly?
Does the scanning lamp turn on?
Does the problem occur when a
bank note is copied? Or, does it
occur when an original identical to
a bank note is copied?
Is the copyboard glass riding over
an object?
Clean the original scanning lamp,
reflecting plate, No. 1, 2, and 3
mirrors, standard white plate, and
copyboard glass, and execute
FUNCTION>CCD>CCD-ADJ in
service mode. Is the problem
corrected?
Are the connectors between the
following PCBs and the wiring
between connectors normal?
• IP-MAIN PCB
• analog processor PCB
• CCD driver PCB
Is there DC power present between
the following terminals on the
analog processor PCB?
J2100-7 (+) -6 (-): +5 V
J2100-4 (+) -3 (-): +8.8 V
J2100-2 (+) -1 (-): +15 V
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