Epson AcuLaser C2900N, Руководство по обслуживанию

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Chapter 1 Troubleshooting
Epson AcuLaser C2900N
Revision B
Confidential
FIP-1.55 092-410 / 092-910: IOT CTD (ADC) Sensor Dustiness / CTD (ADC) Sensor
Dustiness Warning
Step Check
Remedy
Yes No
Possible causative parts:
HARN ASSY L SIDE (PL3.1.18)
TRANSFER ASSY (PL6.1.7)
PWBA MCU (PL8.2.13)
1
Turn OFF the power, and gently wipe the CTD (ADC)
Sensor window with a clean dry cloth or cotton swab.
After wiping the window, close the COVER ASSY FRONT
MG.
Does the error still occur when the power is turned OFF and
ON?
Go to step 2. End of work.
2
Checking the connectors for connection.
Check the connectors between the PWBA MCU and CTD
(ADC) Sensor.
Are P/J28 and P/J281connected correctly?
Go to step 4.
Reconnect the
connector(s) P/
J28 and/or P/J281
correctly, then go
to step 3.
3
Does the error still occur when the power is turned OFF and
ON?
Go to step 4. End of work.
4
Checking the HARN ASSY L SIDE for continuity.
Disconnect J28 from the PWBA MCU.
Disconnect J281 from the TRANSFER ASSY.
Is each cable of J28 <=> J281 continuous?
Go to step 5.
Replace the
HARN ASSY L
SIDE.
5
Checking the surface of the belt on the TRANSFER ASSY.
Is the belt dirty?
Clean the belt with
a clean dry cloth,
then go to step 6.
Go to step 7.
6
Does the error still occur when the power is turned OFF and
ON?
Go to step 7. End of work.
7
Checking after replacing the TRANSFER ASSY.
Replace the TRANSFER ASSY (Refer to RRP6.3.)
Does the error still occur when the power is turned OFF and
ON?
Replace the
PWBA MCU.
(Refer to RRP8.9.)
End of work.
MiS01001SA
ADC Sensor window