Dot Matrix Printer Users Manual

chapter 7
TROUBLESHOOTING
AND MAINTENANCE
Thefollowingsectionontroubleshootingandmaintenanceisintendedonly
~ a brief guide. Rememberthat your printer is a highly sophisticated
electronicdevice,whichalsocontainshighvoltageinside.For thatreason,
onlycarry outthoseoperationsthataredescribedin this chapter.
CAUTION: Anyattempttocarryoutoperationsotherthanthosedescribed
heremayresultinelectricshockand/ordamagetotheprinter.
Whencarryingoutanyrepairsormaintenance,alwaysfollow
the instructionscatefidly.
TROUBLESHOOTING
Your printer is a reliablepieceof precisionmachinery,which shouldnot
causeyouanytrouble,providedthatitisusedandtreatedsensibly.However,
if youdo experiencea minorproblem,the fewtipsbelowshouldhelp you
avoidhavingtomakeanunnecessaryservicecall.Thefollowingtablegives
youideason whereto lookin this sectionif youexperienceproblems:
Region of fault Description
Power supply
Poweris notbeing suppliedto theprinter
Printing
The
printerdoes notprin~or stopsprinting
The printis faintor uneven
DONaremissing in character orgraphics
Whileusingapplicationsoftware,fontsorcharacterscarmotbeprinted
The printoutis not whatis expected whenrunningaprogram
Paper feeding Single sheets do not feed properly(without
ASF)
Continuouspaper”doesnot feed properlywith the tractorfeed
The ASFis not operatingoris not feeding paperproperly
Paperpark(switchingbetweencontinuouspaperandcutsheets) is not
workingproperly
Text is being printedall on one line, or withextrablanklines
Pagelength andmaminsettinm arenot whatis exwcted.
Remember-itisbetternotto attemptoperationsor repairsaboveyourlevel
of competence.Otherwise,yourun the risk of damagingthe printer.
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