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Chapter 1 Troubleshooting
Step
Check Yes No
6
Checking HARNESS ASSY CHUTE for continuity
Disconnect P/J24 from HVPS/MCU.
Disconnect P/J245 and P/J248.
Are the following continuous normally?
J24-6 <=> J245-13
J24-7 <=> J245-12
J24-8 <=> J245-11
J24-1 <=> J248-5
J24-2 <=> J248-4
J24-3 <=> J248-3
Go to step 7.
Replace
HARNESS ASSY
CHUTE.
7
Checking HARNESS ASSY TRAY1 and HARNESS ASSY
TRAY2 for continuity
Remove SENSOR NO PAPER.
Disconnect P/J24 from HVPS/MCU.
Are the following continuous normally?
P/J245-1 <=> P/J240-3
P/J245-2 <=> P/J240-2
P/J245-3 <=> P/J240-1
P/J248-1 <=> P/J246-3
P/J248-2 <=> P/J246-2
P/J248-3 <=> P/J246-1
Go to step 9.
Replace
HARNESS ASSY
TRAY1 or
HARNESS ASSY
TRAY2.
8
Checking HVPS/MCU for continuity
Disconnect P/J11 from HVPS/MCU.
Is P/J11-16 <=> P/J24-6 and P/J11-16 <=> P/J24-1 each
continuous normally?
Go to FIP2.1
LVPS.
Replace
HVPS/MCU.
(RRP12.10)
9
Checking SENSOR NO PAPER (3)
Replace SENSOR NO PAPER. (RRP5.8, 6.6, 7.6)
Does the problem still occur, after replacement?
Replace
HVPS/MCU.
(RRP12.10)
End of work
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