EPSON AcuLaser C1100 Revision B
TROUBLESHOOTING FIP according to the printer message 161
22
Operation check of CLUTCH ASSY FEED
Does CLUTCH ASSY FEED operate
normally?
Make a test print and confirm by the operating
noise.
Go to Step [30]. Go to Step [23].
23
Continuity check of HARNESS-ASSY
FEED MAIN
Disconnect P/J437 from PWBA TRAY
CONT.
Do all of the wiring below have normal
continuity?
J437-6 ↔ P609-2
J437-7 ↔ P609-1
Go to Step [24]. Replace
HARNESS-
ASSY FEED
MAIN.
24
Check of resistance value of CLUTCH
ASSY FEED
The winding resistance between the terminals
of CLUTCH ASSY FEED is 144Ω ± 10%
(20°C)?
Go to Step [25]. Replace
CLUTCH
ASSY FEED.
(p.461)
25
24 VDC power supply check to PWBA
TRAY 500
The voltage of P435-9/10 ↔ 435-7/8 on
PWBA TRAY 500 is 24 VDC?
Go to Step [9]. Go to Step [26].
26
Continuity check of HARNESS-ASSY FEED 1
Disconnect P/J435 from PWBA TRAY
CONT.
Do all of the wiring below have normal
continuity?
J435-7 ↔ P608-4
J435-8 ↔ P608-3
J435-9 ↔ P608-2
J435-10 ↔ P608-1
Go to Step [27]. Replace
HARNESS-
ASSY FEED 1.
(p.462)
Step Check Yes No
27
Continuity check of HARNESS ASSY MAIN
Disconnect P/J421 from PWBA MCU.
Do all of the wiring below have normal
continuity?
J421-1 ↔ J608-10
J421-2 ↔ J608-9
J421-3 ↔ J608-8
J421-4 ↔ J608-7
Go to Step [28]. Repair broken
or shorted part.
28
24 VDC power supply check to PWBA MCU
Disconnect the P/J410 from PWBA MCU.
The voltage of P410-5/6 ↔ P410-7/8 P410-7/
8 on PWBA MCU is 24 VDC?
Replace PWBA
MCU. (p.404)
Go to Step [29].
29
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?
J410-5 ↔ J502-5
J410-6 ↔ J502-6
J410-7 ↔ J502-7
J410-8 ↔ J502-8
Replace LV/
HVPS. (p.407)
Repair broken
or shorted part.
30
Check of 24 VDC power supply to DRIVE
ASSY FEED
The voltage of P437-4 ↔ P437-5 on PWBA
TRAY CONT is 24 VDC?
Go to Step [31]. Go to Step [25].
31
Continuity check of HARNESS-ASSY
FEED MAIN
Disconnect P/J437 from PWBA TRAY 500.
Do all of the wiring below have normal
continuity?
J437-5 ↔ J440-1
J437-4 ↔ J440-2
J437-2 ↔ J440-4
J437-1 ↔ J440-5
Go to Step [8]. Replace
HARNESS-
ASSY FEED
MAIN.
Step Check Yes No
