2NP
1-4-69
9050
DP lift motor going down
error
When the DP lift motor is
driven, DP lift sensor 2 does
not turn on within 1500 pulse.
(Three recovery times.)
The above has been detected
5 times.
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 downwards.
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)
If the wiring is disconnected, shorted or
grounded, replace the wiring.
5. Replace the DP lift motor.
DP lift sensor 2
1. Execute U244 LIFT L-Limit to check DP
switch (see page 1-3-108).
2. Confirm that the DP lift sensor 2 has
been firmly fitted.
3. Confirm that the wiring connector is
firmly connected and, if necessary,
connect the connector all the way in.
DP lift sensor 2 and DP main PWB
(YC2)
4. Replace the DP lift sensor2.
DP main PWB
Replace the DP main PWB
9060
DP EEPROM error
Mismatch of reading data from
two locations occurs 3 times
successively.
Mismatch between writing
data and reading data occurs
3 times successively.
DP main PWB
1. Execute U906 Separating Operation
Release (see page 1-3-195).
2. Confirm that the EEPROM has been
properly installed.
3. Replace the DP main PWB
Device damage of
EEPROM
Contact the Service Support.
9070
Communication error
between DP and SHD
A communication error is
detected.
DP SHD PWB
1. Execute U906 Separating Operation
Release (see page 1-3-195).
2. Confirm that the wiring connector is
firmly connected and, if necessary,
connect the connector all the way in.
DP SHD PWB (YC1) and DP main PWB
(YC10)
3. If the wiring is disconnected, shorted or
grounded, replace the wiring.
4. Replace the DP SHD 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 ...