Epson AcuLaser CX11 - Page 212

EPSON AcuLaser CX11/CX11F Revision B
TROUBLESHOOTING Printer 214
11
Check after replacement of SENSOR HUM
& TEMP
Replace SENSOR HUM & TEMP. (p.428)
Does the error recur when the power is turned
ON?
Go to Step [12]. End of procedure
12
Check after replacement of ROS ASSY
Replace ROS ASSY. (p.401)
Does the error recur when the power is turned
ON?
Go to Step [13]. End of procedure
13
Check after replacement of PWBA MCU
Replace PWBA MCU. (p.432)
Does the error recur when the power is turned
ON?
Replace LV/
HVPS. (p.435)
End of procedure
14
Power supply check to PWBA MCU
Are each of the power voltages being supplied
to the following terminals on PWBA MCU
from LV/HVPS?
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 [15].
15
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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