Epson AcuLaser C1100 Service Manual page 195

EPSON AcuLaser C1100
FIP-43
Panel Message
Service Req E511
Possible parts that caused the error
Photoconductor Unit
HARNESS-ASSY XERO
HARNESS ASSY MAIN
LV/HVPS
Troubleshooting
Step Check
Check of Photoconductor Unit attachment
1
Re-attach Photoconductor Unit.
Does the error recur when the power is turned
ON?
Operation check of Photoconductor Unit
2
Is the Drum of Photoconductor Unit rotating?
Check for dirt on silver seal on Belt in
3
Photoconductor Unit
Remove Photoconductor Unit.
Turn gear of Photoconductor Unit until silver
seal attached to Belt can be seen.
Is silver seal dirty?
Check of SENSOR TR-0 (TR0 Sensor)
4
attachment
Remove Photoconductor Unit.
Is SENSOR TR-0 attached securely?
Check of dirt and foreign bodies on surface
5
of SENSOR TR-0
Remove Photoconductor Unit.
Are there any dirt or foreign bodies on the
SENSOR TR-0 surface?
TROUBLESHOOTING
SENSOR TR-0
MOTOR ASSY P/R
PWBA MCU
Yes No
Go to Step [2]. End of
procedure
Go to Step [3]. Go to Step [10].
Replace Go to Step [4].
Photoconductor
Unit.
Go to Step [5]. Re-attach
the SENSOR
TR-0, and go to
step [5].
Clean to remove Go to Step [7].
any dirt or
foreign bodies,
and go to step
[6].
FIP according to the printer message
Step Check
Does the error recur when the power is
6
turned ON?
Operation check of SENSOR TR-0
7
Remove Photoconductor Unit.
The voltage of P416-2 ↔ P416-3 on PWBA
MCU is 5 VDC when silver paper or other
reflective object comes close to the sensing
area of SENSOR TR-0, and is 0 VDC when
the object is released?
Check of 5 VDC power supply to SENSOR
8
TR-0
The voltage of P416-1 ↔ P416-3 on PWBA
MCU is 5 VDC?
Continuity check of HARNESS-ASSY XERO
9
Disconnect the P/J416 from PWBA MCU.
Do all of the wiring below have normal
continuity?
J416-1 ↔ J108-3
J416-2 ↔ J108-2
J416-3 ↔ J108-1
Check after replacement of MOTOR ASSY
10
P/R
Replace MOTOR ASSY P/R. (p.398)
Does the error recur when the power is turned
ON?
24 VDC power supply check to MOTOR
11
ASSY P/R
Disconnect P/J201 from MOTOR ASSY P/R.
The voltage of J201-1 ↔ J201-2 is 24 VDC?
Continuity check of HARNESS ASSY MAIN
12
Disconnect the P/J403 from PWBA MCU.
Is the continuity normal between all terminals
of J403 ↔ J200?
Revision B
Yes No
Go to Step [7]. End of
procedure
Replace PWBA Go to Step [8].
MCU. (p.404)
Go to Step [9]. Go to Step [14].
Replace Replace
SENSOR TR-0. HARNESS-
(p.361) ASSY XERO.
Go to Step [11]. End of
procedure
Go to Step [12]. Go to Step [13].
Replace PWBA Repair broken
MCU. (p.404) or shorted part.
195