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Troubleshooting 4-3
NovaJet 500/630/700 Series Service Manual
Symptoms Possible cause Solution
Table 4-1. Troubleshooting Table (cont).
TROUBLE-
SHOOTING
Media Does Not • paper sensor replace paper
Move (cont) not responding sensor
• media control driver corrupted -
switches are reload printer
operating correctly driver
• firmware reload firmware
corrupted
• bad MPCB replace MPCB
• ESD discharge ensure that all ESD
components are
properly installed
then replace MPCB
Internal ERROR
“Carriage Axis
Failure”
• dirty (or perform Slide Shaft
lubricated) slide Cleaning procedure
shaft
• perform Servo replace servo motor
Motor Winding
Resistance check
• check servo bad bearings -
motor for smooth replace servo motor
movement
• obstruction in remove obstruction
path of carriage
(may or may not
be visible)