Symptom:
The print density is uneven.
Possible cause
Checkpoint and
method
Evaluation
criteria and
standard
Corrective action
Damaged or
dented platen
surface, existence
of a foreign
matter, or a
defective platen
Visually check the
platen surface.
—
If the platen is damaged or
dented, replace the platen
block.
If any foreign matter exists on
the platen, remove it.
14. Uneven paper feed pitch.
Symptom:
Paper feed does not perform correctly.
Possible cause
Checkpoint and
method
Evaluation
criteria and
standard
Corrective action
Broken motor lead
or defective motor
Remove the
connector in the
printer unit that
corresponds to
the board frame
unit CN301, and
measure the
resistance
between the
printer unit
connector pins 1
and 3, and 2 and
4 with a tester.
7.0±0.77
Replace the printer unit.
Replace the printer unit.
Abnormal motor
drive voltage
Measure the
motor phases and
ground voltage
with an
oscilloscope.
Pulse waveform
(Wave height:
approximately
24V)
Damaged motor
gear or foreign
matter.
Visually check for
damaged motor
gears or foreign
matter.
—
If there is any foreign matter on
the gears, remove it. Or,
remove the printer unit.
Excessive load
during paper feed
Visually check the
paper setting.
—
Reset the paper correctly.
15. Abnormal sound
Symptom:
Abnormal sound is heard in the printer unit or presenter unit during a
paper feed.
Possible cause
Checkpoint and
method
Evaluation
criteria and
standard
Corrective action
The NetVista Kiosk-DBCS Model
19
Summary of Contents for NetVista Kiosk DBCS
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Page 37: ...The NetVista Kiosk DBCS Model 31 ...
Page 38: ... Part Number 57P4240 Printed in Japan GY18 2417 00 1P P N 57P4240 ...