Star Micronics XB-2420, XB-2425 user manual Maintenance

MAINTENANCE

Essentially,yourprinterisarobustpieceof equipmen~butshouldbetreated with a modicumof care in orderto avoidmalfunctions.For example:

Keepyourprinterin a “comfortable”environment.Roughlyspeaking,if youamcomfortable,thentheenvironmentis suitableforyourprinter(see Chapter2).

Do not subjectthe printerto physicalshocksor excessivevibration.

Avoid over-dusty environments.Dust is the enemy of all precision mechanicaldevices.

Tocleantheexterioroftheprinter,useaclothbarelydarnpenedwitheither waterwith a littledetergentor a littlealcohol,but do not allowanyliquid to fall insidethe printer.

Theinteriorof theprintermaybe cleanedwith a smallvacuumcleaneror

acompressed-airaerosol(sold for this purpose).When performingthis operation, be sure not to bend or damageany cable comections or electroniccomponents.

REPLACING THE PRINT HEAD

Thisisnotajob whichyouwillneedtodoveryoften.Theprintheadhasbeen designedto lastfor about200milliondots.In normaleverydayuse,thiswill translateto yearsof life. However,if theprintqualityis faint,evenafteryou havechangedtheribbonor youhaveadjustedthegapbetweentheprinthead and the platen(see Chapter4), the printhead may need replacement

Onlyuse a replacementprinthead as recommendedby yoursupplier.

1.Turn OFF the printer,andunplugthe powercord.

2.Openthe frontcover,and removethe ribboncartridge.

3.Iftheprinterhas beenin operationimmediatelybefo~ thisoperation,the print head will be hot. Allow time for the print head to cool before attemptingto workon it.

4.Unscrewthe two screwsthat hold the printhead in place and set them aside.

5.Disengagethe connector,then removethe printhead.

6.Placethe new printhead on its suppofl,seatingit on the two pins.

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