2NP
1-4-87
(26)
The message
requesting paper to
be loaded is shown
when paper is
present on the MP
tray.
1. Defective connector
cable or poor con-
tact in the connector.
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
MP paper sensor and engine PWB (YC22)
2. Deformed actuator of
the MP paper sensor.
Check visually and replace if necessary.
3. Defective MP paper
sensor.
Replace the MP paper sensor.
4. Defective PWB.
Replace the engine PWB and check for correct operation
(see page 1-5-39).
(27)
The size of paper
on the cassette 1 is
not displayed cor-
rectly.
1. Defective connector
cable or poor con-
tact in the connector.
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
Paper size width switch 1 and engine connect PWB (YC7)
Paper size length switch 1 and engine connect PWB (YC7)
Engine connect PWB and engine PWB (YC4)
2. Defective cassette
size switch.
Replace the paper size width switch 1 or paper size length
switch 1.
3. Defective PWB.
Replace the engine PWB or the engine connect PWB and
check for correct operation (see page 1-5-39).
(28)
The size of paper
on the cassette 2 is
not displayed cor-
rectly.
1. Defective connector
cable or poor con-
tact in the connector.
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
Paper size width switch 2 and engine PWB (YC27)
Paper size length switch 2 and engine PWB (YC27)
engine PWB and main PWB
2. Defective cassette
size switch.
Replace the paper size width switch 1 or paper size length
switch 1.
3. Defective PWB.
Replace the engine PWB or the main PWB and check for
correct operation (see page 1-5-54, 1-5-37).
(29)
A paper jam in the
paper feed, paper
conveying or eject
section is indi-
cated when the
main power switch
is turned on.
1. A piece of paper torn
from paper is caught
around registration
sensor, duplex sen-
sor , feed sensor 1/2
or eject sensor.
Check visually and remove it, if any.
2. Defective sensor.
Replace the registration sensor, duplex sensor, feed sensor
1/2 or eject sensor.
(30)
A message indicat-
ing cover open is
displayed when the
front cover or right
cover 1/2 is closed.
1. Deformed actuator of
the interlock switch.
Check visually and replace if necessary.
2. Defective interlock
switch.
Replace the interlock switch.
Problem
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 ...