2NP
1-4-16
0630
DMA error
DMA transmission of image
data does not complete within
the specified period of time.
Poor contact in the
connector termi-
nals.
1. Reconnect the CIS signal line.
2. Confirm that the CIS connector
terminals are firmly connected. Insert
the connector all the way in.
3. If the wiring is disconnected, shorted or
grounded, replace the wiring.
Defective PWB.
1. Confirm that the wiring connector is
firmly connected and, if necessary,
connect the connector all the way in.
2. If the wiring is disconnected, shorted or
grounded, replace the wiring.
Wiring that connects the CIS and the DP
controller PWB.
Wiring that connects the DP main PWB
and the main PWB.
3. Replace the DP main PWB.
4. Replace the main PWB (see page 1-5-
0640
Hard disk error
The hard disk cannot be
accessed.
Defective connec-
tor cable or poor
contact in the con-
nector.
1. If an abnormal noise is heard from the
HDD, replace the HDD.
2. Check the SATA wiring between the
HDD and the main circuit PWB for loose
connection, disconnection and
damages, and that it is connected into
the correct terminal.
Main PWB: YC1,YC27
YC2,YC32 (45/55 ppm model)
3. Replace the SATA cable.
Defective hard
disk.
1. Execute U024 to initialize (FULL) the
HDD (see page 1-3-33).
2. If an error is detected after executing
U024, replace the HDD.
Defective PWB.
Replace the main PWB and check for cor-
rect operation (see page 1-5-37).
Code
Contents
Causes
Check procedures/
corrective measures
Содержание TASKalfa 2551ci
Страница 1: ...SERVICE MANUAL Published in September 2016 842NP11A 2NPSM06A Rev A TASKalfa 2551ci ...
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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 ...
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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 ...
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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 ...