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| Troubleshooting the printer | |
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| 740, 741, 742 | PROGRAM PROMS or | • Turn off the printer. |
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| CONTROLLER | • Disconnect all cables except power. |
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| PRINTED CIRCUIT | • Turn on printer. |
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| BOARD | • If error doesn’t clear, call for service |
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| • If error code disappears, the com- |
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| 748, 749, 74A, | PHM Failure |
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| puter, cabling or software could be |
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| 74B, 74C,74D |
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| causing the problem. |
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| Unexpected write from |
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| DSP |
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| 757 | DSP Set Verify Failure |
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| CONTROLLER |
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| 76F, 76A, 76B, | PRINTED CIRCUIT |
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| 76C, 76D | BOARD |
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| General CONTROL- |
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| LER PRINTED CIR- |
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| CUIT BOARD |
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| DSP BLOCK, CHECK- |
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| 091B, 093B, 094B | SUM |
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| SERVICE REQ | An error occurred. The | Turn the printer Off and then back On. |
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| XXX | message includes a | If the message persists, service is |
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| required. |
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| Table | |||
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| Error | Description | Possible solution |
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| POWER INDICA- | LCD POWER INDICA- | • Verify the printer is plugged in, turned |
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| TOR LED not illu- | TOR not illuminated, or | on and that the power cord and wall |
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| minated | printer does not oper- | outlet are good. |
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| ate. | • Call for service. |
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| No Printed Image | The printer completes | •Press the print button on the printer to |
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| on TRANSPAR- | the print cycle, but there | make a Test Print |
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| ENCY/RECEIVER | is not image on the | • If the Test Print is blank, call for ser- |
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| RECEIVER | vice. |
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| • If Test Print is not blank, reload soft- |
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| ware and check cabling. |
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October 1997 |
