Epson AcuLaser C1100 Service Manual page 198

EPSON AcuLaser C1100
FIP-45
Panel Message
Service Req E527
Possible parts that caused the error
MOTOR ASSY MAG
HARNESS ASSY MAIN
LV/HVPS
Troubleshooting
Step Check
Check of FRAME ASSY-ROTARY and
1
MOTOR ASSY MAG attachment
Are FRAME ASSY-ROTARY and MOTOR
ASSY MAG attached correctly?
Rotation check of FRAME ASSY-
2
ROTARY and MOTOR ASSY MAG
Do FRAME ASSY-ROTARY and MOTOR
ASSY MAG rotate smoothly?
Turn by hand to check.
Check of SENSOR ROTARY HOME POSI
3
attachment
Is SENSOR ROTARY HOME POSI attached
correctly?
Operation check of SENSOR ROTARY
4
HOME POSI
The voltage of P413-7 ↔ P413-6 on PWBA
MCU is 0 VDC when FRAME ASSY
ROTARY enters the sensing area, and is 5
VDC when it leaves the sensing area?
5 VDC power supply check to SENSOR
5
ROTARY HOME POSI
The voltage of P413-5 ↔ P413-6 on PWBA
MCU is 5 VDC?
TROUBLESHOOTING
SENSOR ROTARY HOME POSI
PWBA MCU
Yes No
Go to Step [2]. Re-attach, and
go to step [2].
Go to Step [3]. Remove any
items that
hinder rotation.
Go to Step [4]. Re-attach, and
go to step [4].
Replace PWBA Go to Step [5].
MCU. (p.404)
Go to Step [6]. Go to Step [7].
FIP according to the printer message
Step Check
Continuity check of HARNESS ASSY MAIN
6
Disconnect P/J413 from PWBA MCU.
Do all of the wiring below have normal
continuity?
J413-5 ↔ J105-3
J413-6 ↔ J105-2
J413-7 ↔ J105-1
5 VDC power supply check to PWBA MCU
7
The voltage of J410-3 ↔ J410-4 on PWBA
MCU is 5 VDC?
Continuity check of HARNESS ASSY MAIN
8
Disconnect P/J410 from PWBA MCU and P/
J502 from LV/HVPS.
Do all of the wiring below have normal
continuity?
J410-3 ↔ J502-3
J410-4 ↔ J502-4
Revision B
Yes No
Replace Repair broken
SENSOR or shorted part.
ROTARY
HOME POSI.
(p.382)
Replace PWBA Go to Step [8].
MCU. (p.404)
Replace LV/ Repair broken
HVPS. (p.407) or shorted part.
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