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Troubleshooting
4-5
NovaJet 800 Series Service Manual
Symptoms Possible cause Solution
Table 4-1. Troubleshooting Table (cont).
• worn carriage replace carriage
bushings bushings
• loose trailing remove power and
cable connections reseat trailing cable
connections at the
MPWA and the
carriage assemblies
• cutter assembly replace cutter
malfunction assembly
• damaged 1) check idler/
carriage drive tension assembly
belt system
2) check carriage
belt
• faulty trailing replace trailing
cable cable assembly
Internal ERROR
“Encoder Sensor
Failure”
• encoder sensor reseat encoder
cable unseated sensor cable
• bad encoder replace encoder
sensor sensor
• main PWA encod- replace main PWA
er sensor jack
defective