Internal Error "Encoder Sensor Failure - ENCAD NovaJet 800 Series Service Manual

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