Citizen iDP3550 Service Manual page 20

• Faulty auto cutter (iDP3551 only)
Phenomenon
Does not cut paper.
• Faulty winder (When AW-3 is used)
Phenomenon
Does not wind paper.
Cause
Faulty connection of the
motor connector
Faulty AC supply voltage
Defective motor
Paper feed failure
(Paper jam)
Cause
Paper end is not correctly
inserted into the slit of the
winder reel.
Faulty connection of the
motor connector
Faulty AC supply voltage
Paper feed failure
(Paper jam)
Defective motor
Check Method
Check connection of the
motor connector.
Check whether the speci-
fied AC voltage is supplied
with an AC voltmeter.
Measure the supply
voltage with a DC voltme-
ter or oscilloscope.
Check whether or not the
paper is jamming or torn
and caught in the paper
path.
Check Method
Check connection of the
motor connector.
Check whether the specified
AC voltage is supplied with
an AC voltmeter.
Check whether or not the
paper is jamming or torn
and caught in the paper
path.
Measure the supply volt-
age with a DC voltmeter or
oscilloscope.
16
iDP3550/3551 Service Manual
Remedy
Connect the connector cor-
rectly.
Use the specified AC volt-
age.
If the supply voltage is
normal, replace the motor
(auto cutter).
Eliminate unnecessary pa-
per in the paper path and
set paper properly.
Remedy
Insert paper into the slit
correctly.
Connect the connector
correctly.
Use the specified AC
voltage.
Eliminate unnecessary
paper in the paper path and
set paper properly.
If the supply voltage is
normal, replace the motor
assy AW.
CITIZEN