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MAINTENANCE
Essentially,your printer is a robust piece of equipment, but should be
treatedwitha modicumofcarein orderto avoidmalfunctions. F orexample:
Keep yourprinterin a "comfortable" environment. R oughlyspeaking,if
youarecomfortable, t henthe environment i s suitablefor yourprinter,too
(see Chapter1).
Do not subjectthe printerto physicalshocksor excessivevibration.
Avoidextremelydusty environments. D ust is the enemyof all precision
mechanicaldevices.
To clean the exteriorof the printer, use a cloth barely dampenedwith
eitherwaterwith a littledetergentor a littlealcohol,but do not allowany
liquidto fall insidethe printer.
Theinteriorof theprintermaybe cleanedwith a smallvacuumcleaneror
a compressed-airaerosol(sold for this purpose).When performingthis
operation, be sure not to bend or damage any cable connectionsor
electroniccomponents.
REPLACING THE PRINT HEAD
Thisisnot ajob whichyouwillneedtodoveryoften.Theprintheadhasbeen
designedto last for about200 million dots. In normal everydayuse, this
translatesto yearsoflife.However,if theprintqualityis faint,evenafteryou
hav~changedtheribbonor youhaveadjustedthegapbetweentheprinthead
and the platen (see Chapter1),the print head may need replacement.
Only use a replacementprint head as recommendedby your supplier.
1.
2.
3.
4.
5.
Turn OFF the printer,and unplugthe powercord.
Removethe top cover and ribboncartridge.
Iftheprinterhasbeeninoperationimmediately beforethisoperation, t he
print head will be hot. Allow time for the print head to cool before
attempingto work on it.
Move the print head carriage toward the right until you can see the
connectorcover. Removethe connectorcover and pull the cables free
from the connectors.
Unscrewthe two screwsthat hold the print head in place and set them
aside.
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