Epson SEPG04002 11 , 12 , 22, 13 , 14 , 15 , 16 , 17 , 20 , 21

EPSON AcuLaser C1100 Revision B
TROUBLESHOOTING FIP according to the printer message 180
11 Continuity check of HARNESS ASSY ADC
Disconnect P/J418 and P/J620 from PWBA
MCU.
Do all of the wiring below have normal
continuity?
J418-1 ↔ J620-3
J418-2 ↔ J620-2
J418-3 ↔ J620-1
Go to Step [12] . Replace
HARNESS
ASSY ADC.
12 Continuity check of HARNESS ASSY
2BTR SENS
Disconnect P/J620 from HARNESS ASSY
2BTR SENS.
Do all of the wiring below have normal
continuity?
P620-1 ↔ J111-3
P620-2 ↔ J111-2
P620-3 ↔ J111-1
Replace
SENSOR
FUSER IN.
(p.344)
Replace
HARNESS
ASSY 2BTR
SENS.
13 Shape and operation check of CAM ASSY-
2ND
Does CAM ASSY 2ND move smoothly
without any damage, and does it enter the
sensor sensing area?
Go to Step [14] . Replace CAM
ASSY-2ND.
(p.350)
14 Operation check of SENSOR 2BTR
RETRACT
Remove 2ND BTR ASSY. (p.348)
The voltage of P418-6 ↔ P418-5 on PWBA
MCU is 0 VDC when Actuator of CAM
ASSY-2ND enters the sensing area of
SENSOR 2BTR RETRACT, and is 5 VDC
when it leaves the sensing area?
Go to Step [19] . Go to Step [15].
15 5 VDC power supply check to SENSOR
2BTR RETRACT
Disconnect P/J418 from PWBA MCU.
The voltage of P418-4 ↔ P418-5 on PWBA
MCU is 5 VDC?
Go to Step [16] . Go to Step [17].
Step Check Yes No
16 Continuity check of HARNESS ASSY ADC
Disconnect P/J418 from PWBA MCU.
Do all of the wiring below have normal
continuity?
J418-4 ↔ J112-3
J418-5 ↔ J112-2
J418-6 ↔ J112-1
Replace
SENSOR 2BTR
RETRACT.
(p.356)
Replace
HARNESS
ASSY ADC.
17 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 [18].
18
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.
19
Continuity check of HARNESS ASSY MAIN
Disconnect the P/J403 from PWBA MCU.
Do all of the wiring below have normal
continuity?
J403-1 ↔ J600-3
J403-2 ↔ J600-2
J403-3 ↔ J600-1
Go to Step [20]. Repair broken
or shorted part.
20 24 VDC power supply check to MOT ASSY
MICRO (2nd BTR Retract Motor)
The voltage of P403-3 ↔ P403-2 on PWBA
MCU is 24 VDC?
Go to Step [21]. Go to Step [22].
21 Check after replacement of MOT ASSY
MICRO
Replace MOT ASSY MICRO. (p.399)
Does the error recur when a test print is made?
Replace PWBA
MCU. (p.404) End of procedure
22
24 VDC power supply check to PWBA MCU
The voltage of P410-5/6 ↔ P410-7/8 on
PWBA MCU is 24 VDC?
Replace PWBA
MCU. (p.404) Go to Step [23].
Step Check Yes No