
2NP-5
1-4-29
2610
PF paper feed motor error
(bulk paper feeder)
When the PF paper feed
motor is driven, error signal is
detected continuously for 1 s.
Defective connec-
tor cable or poor
contact in the con-
nector.
Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
replace the cable.
PF paper feed motor and PF main PWB
Defective drive
transmission sys-
tem.
Check if the rollers and gears rotate
smoothly. If not, grease the bushes and
gears. Check for broken gears and replace if
any.
Defective motor.
Replace the PF paper feed motor.
Defective PWB.
Replace the PF main PWB (Refer to the ser-
vice manual for the paper feeder).
2700
TC belt release motor error
When the TC belt release
motor is driven, error signal is
detected continuously for 3 s.
Defective drive
transmission sys-
tem.
1. To check the motor operation, execute
U30 CMY Release (see page 1-3-34).
2. Confirm that the wiring connector is
firmly connected and, if necessary,
connect the connector all the way in.
Intermediate transfer belt unit and
Engine connect PWB (YC14)
Engine connect PWB and Engine PWB
(YC4)
3. If the wiring is disconnected, shorted or
grounded, replace the wiring.
4. Replace the Intermediate transfer belt
unit (see page 1-5-16).
Defective PWB.
1. Check the engine software and upgrade
to the latest, if necessary.
2. Replace the engine PWB (see page 1-5-
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 ...