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3
MAINTENANCE
3-1
Maintenance
Introduction
This chapter contains general maintenance and cleaning instructions
for the NovaJet 500/630/700 printers.
Scheduled Maintenance
Scheduled maintenance consists of a list of checks that are planned to
be performed on a regular basis or when conditions warrant it.
Scheduled maintenance can be thought of as preventive maintenance
since its purpose is to prolong the life of the printer. It is not intended
to repair or isolate an existing problem, though it can sometimes be
helpful in detecting a condition due to a weakened component that has
not yet completely failed.
Below is a list of scheduled maintenance checks and their recom-
mended periodicity.
Clean external areas: as required
Clean service station: 20-30 plot hours
Clean cartridge jet area & dimples: 50-60 plot hours
Clean slide shaft: 75-100 plot hours
Clean encoder strip: 75-100 plot hours
Clean flex cable contacts: 75-100 plot hours
Clean Y-Arm surface: 75-100 plot hours
Clean cutter groove: 75-100 plot hours
Clean pinch/lower roller: 75-100 plot hours
Clean platen vacuum holes: 100-125 plot hours
Clean dryer plenum (body) - NJ 750 only: 100-125 plot hours
Clean paper sensor: as required
Clean and inspect motor gears: annually
Clean and inspect MPWA: annually
Clean and inspect carriage assembly: annually
Reseat connectors on MPWA: annually
Reseat connectors on carriage board: annually
Replace carriage bushings: 3000 plot hours