Fip-49; Fip-50 - Epson AcuLaser CX11 Service Manual

EPSON AcuLaser CX11/CX11F

FIP-49

Panel Message
Service Req E533
Possible parts that caused the error
SENSOR HUM & TEMP
PWBA MCU
Troubleshooting
Step Check
Temperature check of printer installation site
1
Has the ambient temperature where the printer
is installed fallen to -7°C or below or reached or
risen to 55°C or more.
Check of SENSOR HUM & TEMP
2
thermistor resistance value
Disconnect P/J413 from PWBA MCU.
The resistance value of P104-4 ↔ P104-3 is
10k Ω ± 1k Ω (approx. 20°C)?
Continuity check of HARNESS ASSY MAIN
3
Disconnect the P/J413 from PWBA MCU.
Is the continuity normal between all terminals
of J413 ↔ J104?
TROUBLESHOOTING
HARNESS ASSY MAIN
Yes No
Ask the customer Go to Step [2].
to improve the
installation
environment for
the printer.
Go to Step [3]. Replace
SENSOR HUM
& TEMP.
(p.428)
Replace PWBA Repair broken or
MCU. (p.432) shorted part.

FIP-50

Panel Message
Service Req E530
Possible parts that caused the error
HARNESS ASSY MAIN
PWBA MCU
Troubleshooting
Step Check
Continuity check of HARNESS ASSY MAIN
1
Disconnect P/J413 from PWBA MCU.
Is the continuity normal between all terminals
of J413 ↔ J104?
Check after replacement of SENSOR HUM
2
& TEMP
Replace SENSOR HUM & TEMP.
Does the error recur when the power is turned
ON?
Printer
Revision B
SENSOR HUM & TEMP
Yes No
Go to Step [2]. Repair broken or
shorted part.
Replace PWBA End of procedure
MCU. (p.432)
(p.428)
221