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Chapter 1 Troubleshooting
FIP2.5 SENSOR REGI (PL5.1.30)
Step
Check Yes No
Possible causative parts:
SENSOR REGI (PL5.1.30)
ACTUATOR B (PL5.1.17)
150 FEEDER ASSY (PL5.1.1)
HARNESS ASSY TRAY1 (PL5.1.37)
HARNESS ASSY CHUTE (PL12.1.17)
HVPS/MCU (PL12.1.19)
LVPS (PL12.1.5)
1
Checking ACTUATOR B for operation and shape
Remove 150 FEEDER ASSY. (RRP5.1)
Does ACTUATOR B operate smoothly? Is the flag of
ACTUATOR B formed normally to shield the Sensor
detecting point?
Check if the flag of ACTUATOR B is formed normally
again, pushing ACTUATOR B by inserting a mini
screwdriver from the paper entrance spacew at the lower
and side sections each of 150 FEEDER ASSY.
With tool
Go to step 2.
Without tool
Go to step 3.
Replace
ACTUATOR B.
2
Checking SENSOR REGI (1)
Connect the connector J241 of HARNESS ASSY TRAY1
to SENSOR REGI, with 150 FEEDER ASSY removed.
Remove EP CARTRIDGE.
Close COVER OPEN (PL1.1.2).
Does the number of Sensor/Switch Check increase by
one, by moving ACTUATOR B with a mini screwdriver?
Checks by Chapter 2 Diagnostic [Sensor/Switch Check].
Replace
HVPS/MCU.
(RRP12.19)
Go to step 4.
3
Check SENSOR REGI (2)
Connect the connector J241 of HARNESS ASSY TRAY1
to SENSOR REGI, with 150 FEEDER ASSY removed.
Remove EP CARTRIDGE.
Close COVER OPEN (PL1.1.2).
Is the voltage across P/J24-11 <=> P/J24-10, 3.3 VDC
when ACTUATOR B is pushed, and 0 VDC when
released?
Measure the voltage by moving ACTUATOR B with a mini
screwdriver.
Replace
HVPS/MCU.
(RRP12.19)
Go to step 4.
4
Checking the power to SENSOR REGI
Remove EP CARTRIDGE.
Is the voltage across P/J24-9 <=> P/J24-10 on HVPS/
MCU, about 3.3 VDC?
Go to step 5. Go to step 7.
5
Checking HARNESS ASSY CHUTE for continuity
Disconnect P/J24 from HVPS/MCU.
Disconnect P/J245.
Are the following continuous normally?
J24-9 <=> J245-10
J24-10 <=> J245-9
J24-11 <=> J245-8
Go to step 6.
Replace
HARNESS ASSY
CHUTE.
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