5. TROUBLESHOOTING
2. “EEPROM ERROR” is displayed.
5. TROUBLESHOOTING
Possible cause | Point to check |
EEPROM is not installed | “EEPROM ERROR” is displayed when the |
on the MAIN PC board. | EEPROM is not installed. |
| The EEPROM contains the parameters |
| required for various operations. Without |
| EEPROM, the parameters cannot be |
| found, resulting in an error. |
EEPROM is installed in a | The EEPROM must be installed in the |
wrong orientation. | correct orientation, as indicated by the silk |
| screen print on the MAIN PC board or the |
| connector. |
EEPROM used for other | Even if the same type of EEPROM is |
model is installed. | used, an EEPROM that was used for other |
| model may cause a malfunction. This is |
| because different data has been written. |
Solution
Install the EEPROM properly.
Install the EEPROM in the correct orientation.
Or, the EEPROM may be damaged. Replace it with a new one.
Install an EEPROM for this printer. Or, replace it with a new one.
3. “100BASE LAN INITIALIZING…” is displayed and does not disappear.
| Possible cause | Check point | Solution |
| It takes time for | When the socket port is set to ON in the | Wait for a while. |
| initializing LAN | system mode (IP Address setting), LAN | If “ON LINE” is not displayed in a few |
| communication. | communication is enabled. In that case, | minutes, the MAIN PC board may be |
|
| “100BASE LAN INITIALIZING…” may be | faulty. |
|
| displayed for about 20 seconds during |
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| connection. |
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4. “HEAD OPEN” is displayed. |
| ||
| Possible cause | Check point | Solution |
| The top cover is not | When the top cover open sensors do not | Close the top cover completely. |
| closed completely. | detect the hooks of the top cover, “HEAD | If the message does not disappear even |
|
| OPEN” is displayed. As the sensor is | if the top cover is closed, the printer |
|
| mounted on either side of the printer, both | could have the following failure: |
|
| top cover hooks should be detected. | (1) The top cover open sensors are not |
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| properly attached, or sensor |
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| harnesses are not inserted |
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| completely. |
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| (2) The top cover’s hook |
|
|
| (3) Top cover open sensor, sensor |
|
|
| harness, or MAIN PC board is faulty. |
5. Some printers show “ON LINE” and others show “IN LINE”.
| Possible cause | Check point | Solution |
| Destination setting is | The message for Japan model is “IN | Perform a printer parameter clear after |
| incorrect. | LINE”, and that for other models is “ON | choosing “QM TYPE”. |
|
| LINE”. |
|
6. Unusual message appears on the LCD at a power on, or it takes time to start. | |||
| Possible cause | Check point | Solution |
| It takes time for an initial | When the printer is turn on for the first | Wait for a while. |
| data processing. | time, initial data is written on the EEPROM | If “ON LINE” is not displayed in a few |
|
| and Flash ROM. Sometimes status | minutes, the MAIN PC board may be |
|
| message may be displayed. | faulty. |
|
| DO NOT TURN OFF THE POWER while |
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| the initial data is being written. |
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| When the processing is finished, “ON |
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| LINE” is displayed. |
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