Epson AcuLaser CX11 Service Manual page 192

EPSON AcuLaser CX11/CX11F
Step Check
Operation check of SENSOR 2BTR
24
RETRACT
Remove 2ND BTR ASSY. (p.374)
The voltage of P418-6 ↔ P418-5 on PWBA
MCU is 0 VDC when CAM ASSY-2ND enters
the sensing area of SENSOR 2BTR
RETRACT, and is 5 VDC when it leaves the
sensing area?
5 VDC power supply check to SENSOR
25
2BTR RETRACT
Disconnect P/J418 from PWBA MCU.
The voltage of P418-4 ↔ P418-5 on PWBA
MCU is 5 VDC?
Continuity check of HARNESS ASSY ADC
26
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
Continuity check of HARNESS ASSY MAIN
27
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
24 VDC power supply check to MOT ASSY
28
MICRO (2ND BTR Retract Motor)
The voltage of P403-3 ↔ P403-2 on PWBA
MCU is 24 VDC?
Check after replacement of MOT ASSY
29
MICRO
Replace MOT ASSY MICRO. (p.427)
Does the error recur when a test print is made?
TROUBLESHOOTING
Yes No
Go to Step [27]. Go to Step [25].
Go to Step [26]. Go to Step [39].
Replace Replace
SENSOR 2BTR HARNESS
RETRACT. ASSY ADC.
(p.382)
Go to Step [28]. Repair broken or
shorted part.
Go to Step [29]. Go to Step [36].
Replace PWBA End of procedure
MCU. (p.435)
Printer
manuals4you.com manuals4you.com
Step Check
Operation check of EXIT SENSOR in
30
FUSER ASSY
The voltage of P417-8 ↔ P417-7 on PWBA
MCU is 0 VDC when ACTUATOR enters the
sensing area of EXIT SENSOR, and is 5 VDC
when it leaves the sensing area?
5 VDC power supply check to EXIT
31
SENSOR in FUSER ASSY
Allow FUSER ASSY to cool down
W A R N I N G
before performing work.
Remove FUSER ASSY. (p.415)
The voltage of connector J614A-7 ↔ J614A-6
that connects FUSER ASSY on the printer is 5
VDC?
Continuity check of HARNESS ASSY
32
FUSER SENS and HARNESS ASSY FUSER
in FUSER ASSY
Allow FUSER ASSY to cool down
W A R N I N G
before performing work.
Remove FUSER ASSY. (p.415)
Disconnect P/J619 and P/J110 in FUSER
ASSY.
Do all of the wiring below have normal
continuity?
P619-1 ↔ J110-3
P619-2 ↔ J110-2
P619-3 ↔ J110-1
J619-3 ↔ P614A-7
J619-2 ↔ P614A-8
J619-1 ↔ P614A-9
Revision B
Yes No
Go to Step [33]. Go to Step [31].
Go to Step [32]. Go to Step [38].
Replace EXIT Replace FUSER
SENSOR. ASSY. (p.415)
194