2NP-3
1-4-68
9000
Document processor com-
munication error
A communication error is
detected 10 times in succes-
sion.
Defective connec-
tor cable or poor
contact in the con-
nector.
Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
replace the cable.
DP main PWB and ISC PWB (YC12)
Defective PWB.
Replace the DP main PWB or the ISC PWB
and check for correct operation.
9010
Coin vender communica-
tion error
A communication error from
coin vender is detected 10
times in succession.
U206 setting
Set maintenance mode U206 to off when a
coin vender is not installed (see page 1-3-
94).
Coin vender control
PWB
1. Confirm that the wiring connector is
firmly connected and, if necessary,
connect the connector all the way in.
Coin vender control PWB and Engine
PWB (YC12)
2. If the wiring is disconnected, shorted or
grounded, replace the wiring.
3. Replace the Coin vender control PWB.
Engine PWB
1. Check the engine software and upgrade
to the latest, if necessary.
2. Replace the engine PWB (see page 1-5-
9040
DP lift motor going up error
When the DP lift motor is
driven, DP lift sensor 1 does
not turn on within 1500 pulse.
(Three recovery times.)
The above has been detected
5 times.
* : The number of detec-
tion should be
weighted with one for
the rise at job start and
two for the irregular
rise during transpot-
ing. The accumulated
number must be
cleared at completion
of a normal rise. The
default threshold is 5.
DP lift motor
1. Execute U906 Separating Operation
Release (see page 1-3-195).
2. Execute U243 Lift Motor to check the DP
motor operation (see page 1-3-107).
3. Check that the original document lift
guide can move upwards.
4. Confirm that the wiring connector is
firmly connected and, if necessary,
connect the connector all the way in.
DP lift motor and DP MAIN PWB (YC5)
5. If the wiring is disconnected, shorted or
grounded, replace the wiring.
6. Replace the DP lift motor.
DP lift sensor 1
1. Execute U244 LIFT L-Limit to check DP
switch (see page 1-3-108).
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.
DP lift sensor 1 and DP Main PWB
(YC4)
4. Replace the DP lift sensor 1.
DP Main PWB
Replace the DP main PWB
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 ...