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4-6 Troubleshooting
NovaJet 500/630/700 Series Service Manual
Symptoms Possible cause Solution
Table 4-1. Troubleshooting Table (cont).
Internal ERROR
“Auto-Sensor
Failure”
•auto-sensor reseat auto-
cable unseated sensor cable
• bad auto- replace auto-
sensor sensor
Internal ERROR
“MPCB Failure”
• bad MPCB replace MPCB
Unrecognized
Cartridges Error
• faulty connection check cartridges
of cartridge ID
chip to flex cable
• wrong cartridges check cartridges
installed
• carriage flex check flex driver
cable disconnected cable connections
• trailing cable reseat trailing
connections cable
• faulty trailing replace trailing
cable cable
• faulty carriage replace carriage
PCB PCB