2NP
1-4-50
8010
Punch motor 1 error
When the punch motor is
driven, punch home position
sensor does not turn on within
200 ms.
Punch motor
1. Execute U240 Motor - Punch to check
the finisher operation (see page 1-3-
103).
2. Manipulate the punch up and down to
check it can smoothly move up and
down.
3. Check that the drive from the motor
reaches the punch cam.
4. Confirm that the wiring connector is
firmly connected and, if necessary,
connect the connector all the way in.
Punch motor and Punch PWB (YC4)
5. If the wiring is disconnected, shorted or
grounded, replace the wiring.
6. Replace the punch motor.
Punch home
position sensor
1. Execute U241 Punch - Punch HP 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.
Punch home position sensor and Punch
PWB (YC8)
4. Replace the Punch home position
sensor.
Punch PWB
1. Confirm that the wiring connector is
firmly connected and, if necessary,
connect the connector all the way in.
Punch PWB (YC1) and DF main PWB
(YC8)
2. Replace the punch PWB.
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 ...