2NP-3
1-4-67
8430
Punch unit communication
error
Communication with the
punch unit is not possible.
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. If the wiring is disconnected, shorted or
grounded, replace the wiring.
3. Replace the Punch PWB.
DF main PWB
Replace the DF main PWB
8800
Document finisher main
program error
Document finisher main pro-
gram error at power up.
DF main PWB
1. Confirm that the wiring connector is
firmly connected and, if necessary,
connect the connector all the way in.
DF main PWB (YC7) and Engine PWB
(YC18)
2. If the wiring is disconnected, shorted or
grounded, replace the wiring.
3. Replace the DF main PWB
Engine PWB
1. Check the engine software and upgrade
to the latest, if necessary.
2. Replace the engine PWB (see page 1-5-
8900
Document finisher backup
error
Read and write data does not
match 3 times in succession.
DF main PWB
1. Confirm that the wiring connector is
firmly connected and, if necessary,
connect the connector all the way in.
DF main PWB (YC7) and Engine PWB
(YC33)
2. If the wiring is disconnected, shorted or
grounded, replace the wiring.
3. Replace the DF main PWB
8990
Backup memory data prob-
lem (document finisher)
When one of the existence of
a finisher or a bridge is not
detected.
Defective connec-
tor cable or poor
contact in the con-
nector.
Check the connection of connector on the
finisher main PWB and the connector of the
machine, and the continuity across the con-
nector terminals. Repair or replace if neces-
sary.
Defective power
cord
Confirm that the power cable is firmly
connected and, if necessary, connect the
plug all the way in.
Also check for continuity within the power
cable. If none, replace the powercable.
EEPROM installed
incorrectly.
Install EEPROM correctly.
Defective finisher
main PWB.
Replace the finisher main PWB and check
for correct operation.
Code
Contents
Causes
Check procedures/
corrective measures
Содержание TASKalfa 2551ci
Страница 1: ...SERVICE MANUAL Published in September 2016 842NP11A 2NPSM06A Rev A TASKalfa 2551ci ...
Страница 10: ...This page is intentionally left blank ...
Страница 97: ...2NP 1 1 2 74 This page is intentionally left blank ...
Страница 259: ...2NP 1 3 162 U486 Details on the modes Figure 1 3 47 Item No Description ...
Страница 473: ...2NP 1 5 62 This page is intentionally left blank ...
Страница 496: ...2NP 2 1 21 Figure 2 1 25 Duplex conveying section block diagram EPWB DU_SW DU_CL_REM YC25 3 YC24 3 DUCL DUS ...
Страница 497: ...2NP 2 1 22 This page is intentionally left blank ...
Страница 544: ...2NP 2 3 37 2 3 5 IH PWB Figure 2 3 5 IH PWB silk screen diagram YC1 1 2 YC8 1 3 YC6 2 1 YC4 6 1 YC3 YC10 YC9 ...
Страница 555: ...2NP 2 3 48 This page is intentionally left blank ...
Страница 584: ...Installation Guide DP 770 B Document processor DP 772 Document processor Installation Guide ...
Страница 620: ...DP 773 Document processor Installation Guide ...
Страница 646: ...PF 791 500 x 2 Paper feeder Installation Guide ...
Страница 654: ...PF 810 3000 sheets deck Installation Guide ...
Страница 667: ...DF 770 D Document finisher Installation Guide ...
Страница 685: ...AK 740 Bridge unit Installation Guide ...
Страница 687: ...PH 7A C D Punch unit Installation Guide ...
Страница 708: ...DT 730 B Document tray Installation Guide ...
Страница 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 ...
Страница 711: ...FAX System W B Installation Guide ...