REPLACING THE PRINT HEAD
This is not ajob which you will need to do very often. The print head has been designed to give a life about 200 million dots. In normal everyday use, this will mean years of life. However, if the print quality is faint, even after you have changed the ribbon or you have adjusted the gap between the print head and the platen (see Chapter l), the print head will need replacement.
Only use a replacement print head as recommended by your supplier.
1. | Turn OFF the printer, and unplug the power cord. | .- | |
2. Remove the top cover and ribbon cartridge. |
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3. | If the printer has been in operation immediately before this operation, the | _ - | |
| print head will be hot. Allow time for the print head to cool before |
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| attemping to work on it. | - | |
4. Move the print head carriage toward the right until you can see the |
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| connector cover. Remove the connector cover and pull the cable free |
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| from the connector. |
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5. | Unscrew the two screws that hold the print head in place and set them |
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| aside. |
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6. | Disengage the cable from the tabs holding it down, then remove the print |
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| head. |
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7. | For easy installation of the new print head, move the carriage toward the |
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| left end of the rail. |
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8. | Place the new print head on its support, seating it on the two pins. |
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9. | Thread the new cable the same way as the old, securing it under the three |
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| tabs on the print head carriage. | ..- | |
10. Plug the cable into the connector, inserting it as far as it will go. | |||
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11. Fasten the print head down with the two screws. |
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12. Move the carriage back toward the right and replace the connector cover. | |||
| Slide the connector cover to the left until it locks into place. |
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13.Replace the ribbon cartridge and top cover, and plug the power cord back in.
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