2NP
1-4-70
9080
LED fault detection
A block is existent below a
peak which was obtained by
activating the LEDs in the four
CIS blocks at power on, which
is less than 80hex.
DP CIS
1. Execute CIS automatic original
document alignment by U411 (see page
1-3-134).
2. Confirm that the wiring connector is
firmly connected and, if necessary,
connect the connector all the way in.
CIS and DP SHD PWB (YC2)
DP SHD PWB (YC1) and DP main PWB
(YC10)
3. If the wiring is disconnected, shorted or
grounded, replace the wiring.
4. Replace the CIS and execute U411.
DP SHD PWB
Replace the DP SHD PWB.
9100
Coin vender control PWB
error
Communication error has
been detected at the coin mec
of the coin vender control
PWB.
Defective coin
vender control
PWB.
Replace the coin mec.
9110
Coin vender error
Communication error has
been detected in connection
with the coin mec and the
rejector.
Rejector installed
incorrectly.
Check the rejector is properly installed and,
if not, perform the corrective action.
Defective rejector.
Replace the rejector.
9120
Sensor error in coin vender
change (Yen 10)
Change is empty despite
change is enough.
Coin jam in the
change tube
Check visually and remedy.
Poor contact in the
connector.
Check if the change empty sensor is intact.
Defective change
empty sensor.
Replace the coin mec.
Defective coin
vender control
PWB.
9130
Sensor error in coin vender
change (Yen 50)
Change is empty despite
change is enough.
Coin jam in the
change tube
Check visually and remedy.
Poor contact in the
connector.
Check if the change empty sensor is intact.
Defective change
empty sensor.
Replace the coin mec.
Defective coin
vender control
PWB.
Code
Contents
Causes
Check procedures/
corrective measures
Summary of Contents for TASKalfa 2551ci
Page 1: ...SERVICE MANUAL Published in September 2016 842NP11A 2NPSM06A Rev A TASKalfa 2551ci ...
Page 10: ...This page is intentionally left blank ...
Page 97: ...2NP 1 1 2 74 This page is intentionally left blank ...
Page 259: ...2NP 1 3 162 U486 Details on the modes Figure 1 3 47 Item No Description ...
Page 473: ...2NP 1 5 62 This page is intentionally left blank ...
Page 497: ...2NP 2 1 22 This page is intentionally left blank ...
Page 555: ...2NP 2 3 48 This page is intentionally left blank ...
Page 584: ...Installation Guide DP 770 B Document processor DP 772 Document processor Installation Guide ...
Page 620: ...DP 773 Document processor Installation Guide ...
Page 646: ...PF 791 500 x 2 Paper feeder Installation Guide ...
Page 654: ...PF 810 3000 sheets deck Installation Guide ...
Page 667: ...DF 770 D Document finisher Installation Guide ...
Page 685: ...AK 740 Bridge unit Installation Guide ...
Page 687: ...PH 7A C D Punch unit Installation Guide ...
Page 708: ...DT 730 B Document tray Installation Guide ...
Page 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 ...
Page 711: ...FAX System W B Installation Guide ...