Citizen iDP-3210, Руководство по обслуживанию

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iDP-3210 Service Manual
CITIZEN 20/46
Chapter 5 Trouble-Shooting
5.1 Procedure for Repair
If a failure occurs, observe the cause of the failure carefully,
locate the point of the failure, and repair it following the prescribed procedures.
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Problem : Seek the cause of the failure from items in this column.
If the problem falls into plural items, check all the matters in such items.
By so doing, hidden causes of the failure may be located.
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Cause : Possible causes are listed as many as possible. Assume possible causes, and specify the cause
by methods shown in the next column.
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Check Method : Check methods for specifying failures are mentioned.
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Repair Method : Repair the failure according to methods mentioned in the following column.
Following the above-mentioned procedure assures effective trouble-shooting with little misjudgment.
5.2 Guide to repair
Phenomenon Cause Check method Repair method
Poor print Poor power supply. Check if specified AC Use specified AC adapter.
adapter is used.
No print or print Poor installation and Check condition of Connect thermal head
result is not clear connection of thermal head installation and connection to control board correctly.
of thermal head and
control board.
Poor installation of control Check installation of Install control board
board. control board. correctly.
Poor installation of platen Check condition of Install platen roller
roller. installation of platen roller. correctly. Replace
Check head SP for deformed thermal head
deformation and bent. unit.
Defect of thermal head ------------- Replace thermal head
unit. unit.
Missing dot Foreign matters are Check head for foreign Wipe foreign matter off
deposed on thermal head. matters stuck on it. with a cotton or soft cloth
soaked in ethyl alcohol.
Defect of thermal head ------------- Replace thermal head unit.
unit.
Print result is very Poor power supply. Check if specified AC Use specified AC adapter.
dirty. adapter is used.
Dirt is stuck on thermal Check thermal head for Wipe foreign matter off
head. stuck dirt. with a cotton or soft cloth
soaked in ethyl alcohol.
Poor print quality Poor paper. Confirm that the paper Use paper to meet
meets specifications is used. specifications.