31 March, 1997TROUBLESHOOTNG PROCEDURE
7. TROUBLESHOOTING
7.1 TROUBLESHOOTNG PROCEDURE
7.1.1 COPY TEST
Copy test
SET DOCUMENT
"QUICK: KEYPAD"
No
YesNo
"DIAL KEYPAD"
Yes
Check SB1, SB2
Press START/COPY twice
then copying starts
No
Normal?Replace SB1, SB2
Yes
Document exitsYes
without scanning
Check SB1, SB2 wiring
No
No
Printing paper exitsYesNormal?Replace OPU (PCB)
without printing
Yes
Check for something interfering
No
with the SB5 sensor actuatorFCU-OPU harness check
YesNoReplace FCU-OPU
Normal?Normal?
harness
NoYes
Remove objectReplace FCU
Yes
White copy or
Black copy
Check FCU-CIS
Noflat cable connection
Yes
Horizontal white lines?Ink nozzle test
No
Normal?
No
Yes
YesNoSet flat cable correctly
Vertical black lines?Clean CIS rollerTrouble- shooting
Replace CIS
NoYes
Clean CIS roller and CIS
Copy test endDark copy as
a whole
Adujust slice levelReplace CIS
(bit sw9-5. A, B)
H905T001.vsd
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