2NP-5
1-4-72
9520
ISC PWB error C
Main PWB
ISC PWB
1. Reinsert the connector if it its connection
is loose.
Main PWB (YC25) and ISC PWB (YC4)
2. Replace the main PWB (see page 1-5-
3. Replace the ISC main PWB
4. Contact the Service Support.
9530
9540
Machine recovery error
The machine may not be
recovered or may have trou-
ble in its function with
changes of the internal data
when replacing some the
parts at the same time.
PWBs
1. Reattach the parts below in case of
replacing 2 or more of them at the same
time.
Affected parts : Memory, HDD, PWBs
* : Do not replace 2 or more of the parts
at the same time
* : And also, do not execute the follow-
ing works when replacing the above
parts.
Do not replace the drum unit or the
developing unit.
Do not replace the drum unit with the
one color for other one in the same
machine.
F000
Communication error
between main PWB and
operation PWB
Main PWB
1. Turn the main power swtch off and after
5 seconds, then turn power on.
2. Check that the wirings and connetors
between the main circuit PWB and the
operation circuit PWB and between the
main circuit PWB and the HDD are
normal.
Main PWB (YC12,YC17,YC30) and
Operation PWB (YC1,YC2,YC3)
3. Check that the DDR memories in the
main circuit PWB are well conducted
and, if not, replace.
4. Execute U024 to initialize (FULL) the
HDD (see page 1-3-33).
5. Execute U021 to initialize memory. (see
page 1-3-32)
6. Replace the Main PWB.
7. Copy the log File saved in the HDD by
U964 in USB memory and contact the
service support (see page 1-3-207).
Operation PWB
Replace the operation PWB (see page 1-5-
54).
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 ...