Epson WF-C5790 Service Manual page 122

EPSON WF-C5790/WF-C5790a/WF-C5710/ET-8700/WF-C5210/WF-C5290/WF-C5290a
ADDITIONAL LIFT ERROR (2)
 Error name
 LFT2 PID excess load error (error code: 000181)
 LFT2 PID lock error (error code: 000184)
 Cause
 The load became unexpectedly high with hopper lift driving.
 State in which load of motor exceeds expected load, and motor does not rotate at all
 Suspected cause
 Foreign object in Paper Cassette
 Paper incorrectly loaded or number of sheets loaded exceeds maximum
 Damage to or foreign object trapped in lift gear train parts
 Troubleshooting
Step
Check for the Paper Cassette (1)
1
Check that there is no foreign object in the paper cassette.
Check for the Paper Cassette (2)
2
Check that more than the maximum number of sheets of paper is not loaded.
Furthermore, is the paper loaded correctly?
Check for the Paper Cassette (3)
Check the hopper-up mechanism of the paper cassette to make sure that it is
3 working correctly.
(Check if the Hopper operates when the left-side gear of the paper cassette is
touched by hand.)
Visually check the Lift gear train parts.
4
Check the Lift gear train parts to make sure that there is no foreign object on
or damage to them.
Check the connection of the Optional Lift Phase Sensor.
Check the connection of the Optional Lift Phase Sensor Connector (CN4),
5
and make sure there are no problems. (Refer to
Replace the Optional Paper Cassette Main Board Assy.
6
Does the error occur after replacing the Optional Paper Cassette Main Board
Assy?
Troubleshooting
Check and measure
P. 592)
Troubleshooting procedure
 Lift Phase Sensor failure
 Lift Motor failure
 Optional Paper Cassette Main Board Assy failure
Yes
Go to step 2
Go to step 3
Go to step 4
Go to step 5
Go to step 6
Replace the Optional Cassette Unit.
Revision A
No
Remove the foreign object.
 Reduce the number of sheets of paper loaded.
 Properly set the paper.
 Replace the Paper Cassette if there is an error
in the hop-up action.
 Replace the (1) Lift Up Gear 30T or (2) Lift
Up Sector Gear 40T if the left-side gear of
the Paper Cassette is replaced.
 Remove any foreign objects, if present.
 Replace the Optional Cassette Unit if the Optional
Lift Wheel Column components are damaged.
Properly connect the Optional Lift Phase
Sensor Connector (CN4).
(Replace the Optional Cassette in the case of
cable damage.)
End
Confidential
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