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| Troubleshooting and Diagnostics | |
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Display | That means ... | Cause / Action |
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NV RAM OK | Error on the RAM of | - Control Unit defective |
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| the Control Unit |
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RAM OK | Checksum error | - (P)ROM defective |
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| (P)ROM 1 |
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ROM 1 OK | No Fonts available | - Character generator P(ROM) |
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| on PM damaged or missing |
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ROM 2 OK | RAM on Memory | - Memory Card defective |
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| Card damaged |
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MC OK | Fault on Control Unit | - Control Unit defective |
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| - Type mismatch of PM and |
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| Control Unit |
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| - PBC (Printer Base |
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| Controller) |
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| on Control Unit damaged |
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| - SPC (Speed Controller) |
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| on Control Unit damaged |
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| - Transport lock not removed |
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If all tests have been passed successfully the following message will be displayed:
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Display | That means... | Cause / Action |
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READY/BUSY | The Printer is OK | - Printer ready for |
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| operation |
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