EPSON AcuLaser C1100
Revision B
TROUBLESHOOTING
FIP according to the printer message
190
9
5 VDC power supply check to SENSOR
UPPER PASS
The voltage of P444-8
↔
P444-9 on PWBA
DUP-L is 5 VDC?
Go to Step [10].
Go to Step [15].
10
Continuity check of HARNESS-ASSY DUP1
Disconnect P/J444 from PWBA DUP-L.
Do all of the wiring below have normal
continuity?
J444-6
↔
J124-3
J444-7
↔
J124-2
J444-8
↔
J124-1
Replace
SENSOR
UPPER PASS.
(p.422)
Replace
HARNESS-
ASSY DUP1.
11
Check after replacement of MOTOR ASSY
DUP INV
Replace MOTOR ASSY DUP INV.
(p.424)
Does the error recur when a test print is made
in the duplex mode?
Go to Step [12].
End of
procedure
12
Check after replacement of PWBA DUP-L
Replace PWBA DUP-L.
(p.442)
Does the error recur when a test print is made
in the duplex mode?
Go to Step [13].
End of
procedure
13
Continuity check of HARNESS ASSY DUP2
Disconnect P/J443 from PWBA DUP-L.
Is the continuity normal between all terminals
of J443
↔
P607?
Go to Step [14].
Replace
HARNESS
ASSY DUP2.
14
Continuity check of HARNESS ASSY MAIN
Disconnect the P/J420 from PWBA MCU.
Is the continuity normal between all terminals
of J420
↔
J607?
Replace PWBA
MCU.
(p.404)
Repair broken
or shorted part.
15
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 [16].
Step
Check
Yes
No
16
Continuity check of HARNESS ASSY DUP2
Disconnect P/J443 from PWBA DUP-L.
Do all of the wiring below have normal
continuity?
J443-7
↔
P607-6
J443-8
↔
P607-5
Go to Step [17].
Replace
HARNESS
ASSY DUP2.
17
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 [18].
Repair broken
or shorted part.
18
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 [19].
19
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
Summary of Contents for C1100 - AcuLaser Color Laser Printer
Page 1: ...EPSON AcuLaserC1100 A4 Full Color Laser Printer SERVICE MANUAL SEPG04002 ...
Page 12: ...Schematic Diagram of Safety System Leg_Sec001_025EA ...
Page 19: ...C H A P T E R 1 PRODUCTDESCRIPTION ...
Page 74: ...C H A P T E R 2 OPERATINGPRINCIPLES ...
Page 119: ...C H A P T E R 3 TROUBLESHOOTING ...
Page 276: ...C H A P T E R 4 DISASSEMBLYANDASSEMBLY ...
Page 485: ...C H A P T E R 5 ADJUSTMENT ...
Page 491: ...C H A P T E R 6 MAINTENANCE ...
Page 510: ...C H A P T E R 7 APPENDIX ...
Page 539: ...EPSON AcuLaser C1100 Revision B APPENDIX Exploded Diagrams 539 7 6 Exploded Diagrams ...
Page 562: ...Model AcuLaser C1100 LP V500 Board C567MAIN Sheet 1 of 4 Rev A ...
Page 563: ...Model AcuLaser C1100 LP V500 Board C567MAIN Sheet 2 of 4 Rev A ...
Page 564: ...Model AcuLaser C1100 LP V500 Board C567MAIN Sheet 3 of 4 Rev A ...
Page 565: ...Model AcuLaser C1100 LP V500 Board C567MAIN Sheet 4 of 4 Rev A ...