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I
MAINTENANCE
Essentially,your printer is a robust piece of equipment, but shouId be
treatedwitha modicumofcarein orderto avoidmalfunctions. F orexample:
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Keepyourprinterin a "comfortable" environment. R oughlyspeaking,if
you arecomfortable, t henthe environment i s suitablefor yourprinter,too
(see Chapter1).
Do not subjectthe printerto physicalshocksor excessivevibration.
Avoidextremelydustyenvironments. D ust is the enemyof all precision
mechanicaldevices.
To clean the exteriorof the printer, use a cloth barely dampenedwith
eitherwaterwith a littledetergentor a little alcohol,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
Thisisnotajob whichyouwillneedto doveryoften.Thepnnt headhasbeen
designedto last for about 100millioncharacters.In normaleverydayuse,
thistranslatesto yearsof life.However,if theprintqualityis faint,evenafter
youhavechangedtheribbonor youhaveadjustedthe gapbetweenthe print
head and the platen (see Chapter1),the print head will need replacement.
Only use a replacementprint head as recommendedby your supplier.
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Turn OFF the printer,and unplugthe power cord.
Removethe top cover and ribboncartridge.
Iftheprinterhasbeenin opeiationimmediately 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 cable free
from the connector.
Unscrewthe two screwsthat hold the print head in pIace and set them
aside.
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