2NP-5
1-4-21
1040
PF lift motor 2 error
(paper feeder)
After cassette 4 is inserted,
PF lift sensor 2 does not turn
on within 15 s. This error is
detected five times succes-
sively.
Defective bottom
plate elevation
mechanism in the
cassette.
Check to see if the bottom plate can move
smoothly and repair it if any problem is
found.
Defective connec-
tor cable or poor
contact in the con-
nector.
Reinsert the connector. Also check for conti-
nuity of the connector cable. If necessary,
replace the cable.
PF lift motor 2 and PF main PWB
Defective drive
transmission sys-
tem of the PF lift
motor 2.
Check if the gears rotate smoothly. If not,
grease the bushes and gears. Check for
broken gears and replace if any.
Defective PF lift
motor 2.
Replace the PF lift motor 2.
Defective PWB.
Replace the PF main PWB (Refer to the ser-
vice manual of the paper feeder).
1100
PF lift motor 1 error
(large capacity feeder)
After cassette 3 is inserted,
PF lift sensor 1 does not turn
on within 23 s. This error is
detected 5 times successively.
(Time to detect is 2 seconds
at the second time and later.)
During driving the motor, the
lift overcurrent protective
monitor signal is detected for
1s or more 5 times succes-
sively. However, the first 1 s
after PF lift motor 1 is turned
on is excluded from detection.
Paper feeder lift
base elevating
mechanism
Check that the cassette base can be
manipulated smoothly, if not, repair or
replace.
PF Lift motor1
1. Check that the cassette base has been
ascended.
2. Check the drive gear can rotate or they
are not unusually loaded and, if
necessary, replace.
3. Confirm that the wiring connector is
firmly connected and, if necessary,
connect the connector all the way in.
PF Lift motor 1 and PF main PWB
4. If the wiring is disconnected, shorted or
grounded, replace the wiring.
5. Replace the PF lift motor1.
PF Lift sensor1
1. Check that the sensor is correctly
positioned.
2. Confirm that the wiring connector is
firmly connected and, if necessary,
connect the connector all the way in.
PF Lift sensor 1 and PF main PWB
3. If the wiring is disconnected, shorted or
grounded, replace the wiring.
4. Replace the PF lift sensor1.
PF main PWB
Replace the PF main PWB (Refer to the
service manual for the paper feeder).
Code
Contents
Causes
Check procedures/
corrective measures
Summary of Contents for TASKalfa 2551ci
Page 1: ...SERVICE MANUAL Published in September 2016 842NP11A 2NPSM06A Rev A TASKalfa 2551ci ...
Page 10: ...This page is intentionally left blank ...
Page 97: ...2NP 1 1 2 74 This page is intentionally left blank ...
Page 259: ...2NP 1 3 162 U486 Details on the modes Figure 1 3 47 Item No Description ...
Page 473: ...2NP 1 5 62 This page is intentionally left blank ...
Page 497: ...2NP 2 1 22 This page is intentionally left blank ...
Page 555: ...2NP 2 3 48 This page is intentionally left blank ...
Page 584: ...Installation Guide DP 770 B Document processor DP 772 Document processor Installation Guide ...
Page 620: ...DP 773 Document processor Installation Guide ...
Page 646: ...PF 791 500 x 2 Paper feeder Installation Guide ...
Page 654: ...PF 810 3000 sheets deck Installation Guide ...
Page 667: ...DF 770 D Document finisher Installation Guide ...
Page 685: ...AK 740 Bridge unit Installation Guide ...
Page 687: ...PH 7A C D Punch unit Installation Guide ...
Page 708: ...DT 730 B Document tray Installation Guide ...
Page 710: ...5 2013 5 302LC56750 01 H F G D D 6 4 3 7 E C D D M4 8 M4 8 M4 8 M4 8 ...
Page 711: ...FAX System W B Installation Guide ...