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Chapter 1 Troubleshooting
FIP1.18 No Power
Step
Check Yes No
Possible causative parts:
POWER CORD (PL12.1.23)
LVPS (PL12.1.5)
HVPS/MCU (PL12.1.19)
OPERATION PANEL (PL1.1.1)
HARNESS ASSY PANEL (PL1.1.10)
INTERLOCK S/W 24V (PL8.1.11)
INTERLOCK S/W 5V (PL8.1.12)
INTERLOCK S/W REAR (PL12.1.7)
FAN MAIN (PL12.1.10)
FAN SUB (PL8.1.5)
ROS ASSY (PL8.1.1)
FUSER ASSY (PL8.1.20)
GEAR ASSY HOUSING (PL11.1.3)
MAIN MOTOR (PL11.1.2)
CLUTCH REGI (PL5.1.23)
PWBA ESS (PL12.1.13)
PWBA FEEDER 550 (PL20.1.34)
PWBA DUPLEX (PL21.1.32)
CLUTCH ASSY PH (PL5.1.21, PL6.1.21, PL7.1.20,
PL20.2.21)
CLUTCH PR-REGI (PL20.2.22)
1
Checking POWER CORD for continuity
Is each cable of POWER CORD continuous?
Go to step 2.
Replace POWER
CORD.
2
Checking AC power source
Does the voltage of AC power source meet commercial
voltage?
Go to step 3.
Ask the customer
to arrange the AC
power source.
3
Checking the fuse
Remove SHIELD PLATE LVPS (PL12.1.3). (RRP12.1)
Is the fuse on LVPS open?
Replace LVPS.
(RRP12.3)
Go to step 4.
4
Checking Option 550 Paper Feeder (PL20)
Do two fans rotate, when the power is turned ON?
Remove Option 550 Paper Feeder to check.
Go to FIP2.20,21
PWBA FEEDER
550,
FIP2.25 CLUTCH
ASSY PH, and
FIP2.26 CLUTCH
PR-REGI.
Go to step 5.
5
Checking Option Duplex (PL21)
Do two fans rotate, when the power is turned ON?
Remove Option Duplex to check.
Go to FIP2.27
PWBA DUPLEX,
and FIP2.28
MOTOR
DUPLEX.
Go to step 6.
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