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