EPSON AcuLaser C1100 Revision B
TROUBLESHOOTING FIP according to the printer message 188
10
Check after replacement of MOTOR ASSY
DUP (Lower Roll Motor)
Replace MOTOR ASSY DUP. (p.443)
Does the error recur when a test print is made
in the duplex mode?
Go to Step [9]. End of
procedure
11
5 VDC power supply check to SENSOR
LOW PASS
The voltage of P443-13 ↔ P443-14 on
PWBA DUP-L is 5 VDC?
Go to Step [12]. Go to Step [13].
12
Continuity check of HARNESS-ASSY DUP2
Disconnect P/J443 from PWBA DUP-L.
Do all of the wiring below have normal
continuity?
J443-13 ↔ J123-3
J443-14 ↔ J123-2
J443-15 ↔ J123-1
Replace
SENSOR LOW
PASS. (p.432)
Replace
HARNESS-
ASSY DUP2.
13
5 VDC power supply check to PWBA DUP-L
The voltage of P443-7 ↔ P443-8 on PWBA
DUP-L is 5 VDC?
Replace PWBA
DUP-L. (p.442)
Go to Step [14].
14
Continuity check of HARNESS ASSY MAIN
Disconnect the P/J420 from PWBA MCU.
Do all of the wiring below have normal
continuity?
J420-6 ↔ J607-7
J420-5 ↔ J607-8
Go to Step [15]. Repair broken
or shorted part.
15
5 VDC power supply check to PWBA MCU
The voltage of P410-3 ↔ P410-4 on PWBA
MCU is 5 VDC?
Replace PWBA
MCU. (p.404)
Go to Step [16].
16
Continuity check of HARNESS ASSY MAIN
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
Replace LV/
HVPS. (p.407)
Repair broken
or shorted part.
Step Check Yes No
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