EPSON AcuLaser CX11/CX11F Revision B
TROUBLESHOOTING Printer 236
8
Operation check of SWITCH-INLK FUSER
Disconnect P/J117 from SWITCH-INLK
FUSER.
Is there continuity on P117-1 ↔ P117-3 when
SWITCH-INLK FUSER is pressed, and does
the continuity stop when the switch is released?
Go to Step [9]. Replace
SWITCH-INLK
FUSER. (p.328)
9
Power supply check to PWBA MCU
Is the specified DC voltage being supplied to
the following terminals on PWBA MCU?
P410-1 ↔ P410-2: 3. 3 VDC
P410-3 ↔ P410-4: 5 VDC
P410-5/6 ↔ P410-7/8: 24 VDC
Replace PWBA
MCU. (p.432)
Go to Step [10].
10
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?
J410-1 ↔ J502-1
J410-2 ↔ J502-2
J410-3 ↔ J502-3
J410-4 ↔ J502-4
J410-5 ↔ J502-5
J410-6 ↔ J502-6
J410-7 ↔ J502-7
J410-8 ↔ J502-8
Replace LV/
HVPS. (p.435)
Repair broken or
shorted part.
Step Check Yes No
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