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Troubleshooting
4-10
NovaJet 800 Series Service Manual
Symptoms Possible cause Solution
Table 4-1. Troubleshooting Table (cont).
Ink Cartridge • service station 1) perform Service
Misfiring (cont) dirty or not Station Cleaning
properly sealing procedures
cartridge jet area
2) replace seal on
service station
• bad carriage replace carriage
PWA PWA
• bad MPWA replace MPWA
Paper Skewing
• paper guides not install paper
installed guides
• stepper motor perform Clean and
gearing dirty or Inspect Stepper
damaged Motor Gears
procedure
• lower roller tighten screws
loose securing lower roller
• lower roller replace lower roller
defective assembly
Printer Output is
Banding (Horizontal)
• if banding is 1) inspect and/or
consistent replace stepper
motor (perform
Stepper Motor
Winding Resistance
Check)