2NP
1-4-55
8140
DF tray motor error 1
When the main tray has
ascended, DF tray sensor 1 or
DF tray upper surface sensor
does not turn on within 20 s.
DF tray motor
1. Execute U240 Motor - Tray to check the
finisher operation (see page 1-3-103).
2. Manipulate the main tray up and down to
check it is smoothly operable.
3. Check that the drive from the motor
reaches the main tray.
4. Confirm that the wiring connector is
firmly connected and, if necessary,
connect the connector all the way in.
DF tray motor and DF Main
PWB(YC14)
5. If the wiring is disconnected, shorted or
grounded, replace the wiring.
6. Replace the DF tray motor.
DF tray sensor 1
DF tray upper
surface sensor
1. Execute U241 Finisher - Tray U-Limit,
Tray Top to check the finisher switch
(see page 1-3-105).
2. Check that the sensor and its mounting
bracket are correctly positioned.
3. Confirm that the wiring connector is
firmly connected and, if necessary,
connect the connector all the way in.
DF tray sensor 1 and DF Main DF tray
sensor 1 and DF main PWB (YC20)
DF tray upper surface sensor and DF
main PWB (YC18)
4. Replace the DF tray sensor 1 or DF tray
upper surface sensor.
DF main PWB
Replace the DF main PWB (Refer to the
service manual for the document finisher).
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 ...