Epson AcuLaser C2900N, Руководство по обслуживанию

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Chapter 1 Troubleshooting
Epson AcuLaser C2900N
Revision B
Confidential
10
Checking the ROLL ASSY FEED for shape and rotation
Pull the Tray 2 out from the printer.
Is the ROLL ASSY FEED not contaminated and/or
damaged, and rotated smoothly?
Go to step 11.
Replace the ROLL
ASSY FEED.
(Refer to
RRP10.2.)
11
Checking the Tray 2 Feed Solenoid (SOLENOID FEED
MSI) for operation.
Does the Tray 2 Feed Solenoid (SOLENOID FEED MSI)
operate properly?
Checked by [Digital Output] - [DO-31] in [IOT Diag] of
diagnosis.
During this check, cheat the interlock switch (HARN ASSY
INTERLOCK).
Replace the
CASSETTE ASSY
250 OPT.
Go to step 22.
12
Checking the Tray 2 Turn Clutch (CLUTCH ASSY DRV) for
operation.
Does the Tray 2 Turn Clutch (CLUTCH ASSY DRV) operate
properly?
Checked by [Digital Output] - [Tray 2 Turn Clutch] in [IOT
Diag] of diagnosis.
During this check, cheat the interlock switch (HARN ASSY
INTERLOCK).
Go to step 13. Go to step 26.
13
Checking the paper lead edge staying position.
Does the paper lead edge stay before the ROLL ASSY
REGI and ROLL REGI METAL?
Go to step 14.
Replace the
FEEDER ASSY
OPT. (Refer to
RRP10.1.)
14
Checking the paper path.
Remove the Tray 1 and Tray 2 paper cassettes.
Are there any obstacles on the paper transfer path between
the Tray 2 and the Regi Assy? Remove the
obstacles or stains
from the paper
transfer path. Replace the
FEEDER ASSY
OPT. (Refer to
RRP10.1.)
15
Checking the connectors of the SENSOR PHOTO (Paper
Path Sensor) for connection.
Check the connections between the PWBA FFE D and
SENSOR PHOTO.
Are P/J420 and P/J4200 connected correctly?
Go to step 16.
Reconnect the
connector(s) P/
J420 and/or P/
J4200 correctly.
16
Checking the HARNESS ASSY TRAY COMP for continuity.
Disconnect J420 from the PWBA FEED H.
Disconnect J4200 from the SENSOR PHOTO.
Is each cable of J420 <=> J4200 continuous?
Go to step 17.
Replace the
HARNESS ASSY
TRAY COMP
17
Checking the power to the SENSOR PHOTO.
Disconnect J420 from the PWBA FEED H.
Is the voltage across P420-6pin <=> ground on the PWBA
FEED H, about +3.3 VDC?
Go to step 18.
Replace the
PWBA FEED H.
18
Checking the SENSOR PHOTO for operation.
Check the voltage across J420-5pin <=> ground on the
PWBA FEED H.
Does the voltage change, when the actuator (ACTUATOR
REGI IN) is operated?
Replace the
PWBA FEED H.
Replace the
SENSOR PHOTO
(Paper Path
Sensor).
19
Checking the connectors for connection.
Check the connections between the PWBA FEED H and
MOTOR ASSY SUB.
Are P/J422 and P/J4211 connected correctly?
Go to step 20.
Reconnect the
connector(s) P/
J422 and/or P/
J4211 correctly.
20
Checking the HARNESS ASSY TEAY MOT for continuity.
Disconnect J422 from the PWBA FEED H.
Disconnect J4211 from the MOTOR ASSY SUB.
Is each cable of J422 <=> J4211 continuous?
Go to step 21.
Replace the
HARNESS ASSY
TRAY MOT.
Step Check
Remedy
Yes No