IBM NetVista Kiosk DBCS, Руководство по обслуживанию оборудования

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Symptom:
All dots are thin or blurred.
Possible cause Checkpoint and
method Evaluation
criteria and
standard Corrective action
Foreign matter on
the thermal head Visually check the
thermal head
surface for foreign
matter. — Remove any foreign matter with
a cotton swab moistened with a
little ethyl alcohol.
Defective head
block due to high
thermal head
resistance — — Replace the printer unit.
Symptom:
Some dots are thin or blurred.
Possible cause Checkpoint and
method Evaluation
criteria and
standard Corrective action
Damaged or
dented platen
surface, or a
foreign matter
exists on the
thermal head Visually check the
platen surface. — If the platen is damaged or
dented, replace the printer unit.
If there is any foreign matter,
remove it.
Poor thermal
head connector
contact Visually check the
connection. — Reinsert the connector correctly.
A foreign matter is
on the thermal
head Visually check the
thermal head
surface for foreign
matter. — Remove any foreign matter with
a cotton swab moistened with a
little ethyl alcohol.
Symptom:
The entire printout is thick.
Possible cause Checkpoint and
method Evaluation
criteria and
standard Corrective action
Defective
thermistor Remove the
connector in the
head that
corresponds to
board frame unit
CN403, and
measure the
resistance
between the head
connectors No. 6
and No. 7. Around 30 (25°C)
(It changes
depending on the
temperature.)
Replace the printer unit.
Wrong paper
setting Print the test
pattern. — Set the paper correctly in the
function setting.
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