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INTERVAL
As Required
The Paper Sensor is located
directly behind the right
carriage assembly, magenta
cartridge stall position,
approximately 4 mm.
Remove the Magenta
cartridge. Apply solution to a
cotton swab, position swab
below the Magenta cartridge
stall position (under flex
driver cable) at an angle of
approximately 30 degrees.
Though the paper sensor is not visible, using the picture above as a
reference, twist cotton swab against sensor surfaces (transmitter and receiver) to clean.
Alternative procedure:
Remove the service station. Push carriage assembly partially over the service station
access hole. Apply solution to a lint-free towel. Using one hand with towel maneuver lint-
free towel down and underneath the carriage assembly, blot both sensor surfaces
(located ~4 mm behind right carriage assembly Magenta flex driver cable)
Preventive Maintenance:
As part of Preventive Printer Maintenance, at
300 plot hours replace the ink delivery cover
bushings (2) and the outer set of carriage
bushings (2). At 600 plot hours replace all 6
carriage bushings. At 2000 plot hours replace
the Trailing Cable, Service Station, Servo Motor
and perform a thorough cleaning on printer
including the carriage paper sensor and
encoder sensors.
NOTE:
Only Authorized Service Personnel
should perform service related actions.
COMPONENT
Paper Sensor
NovaJet 800 Series Training Guide
CLEANING AGENT
NovaKlean /Isopropyl Alcohol
This illustration
is a front-side
angle of the
underside of
the right
carriage
assembly
depicting the
precise
location of the
carriage paper
sensor.
23
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