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Troubleshooting
4-3
NovaJet 800 Series Service Manual
Symptoms Possible cause Solution
Table 4-1. Troubleshooting Table (cont).
• trailing cable replace trailing
defective cable
Media Does Not
Move
• perform Stepper replace stepper
Motor Winding motor if out of
Resistance check tolerance
• rough motion bad bearings -
while spinning replace stepper
stepper motor motor
• paper sensor replace paper
not responding sensor
• media control driver corrupted -
switches are reload printer
operating correctly driver
• firmware reload firmware in
corrupted continuous run state
• bad MPWA replace MPWA
• ESD discharge ensure that all ESD
(electrostatic components are
discharge) properly installed
then replace MPWA