Why does my Seiko printer have no interface communication?
If your Seiko printer has no interface communication, it could be due to a dipswitch setting error; set the dipswitch correctly. Alternatively, there may be a defective main board, requiring you to replace it.
Why are dots missing when printing with my Seiko printer?
If dots are missing when printing with your Seiko printer, it could be due to a disconnected FPC for the head, so replace the printer unit. Another cause might be a defective contact between the FPC for the head and the connector on the board; in this case, insert the FPC to the connector correctly again. A burned thermal head could also be the reason, so replace the printer unit.
What to do if Seiko printer paper can not be fed?
If paper cannot be fed into your Seiko printer, it might be due to a defective drive voltage of the paper feed motor, so replace the main board. Another cause could be the attachment of alien substances to the gears of the paper feed motor; in that case, remove the alien substances.
Why Seiko printer has no power without the AC adapter?
If your Seiko printer has no power without the AC adapter, the battery may not be charged; charge it with the AC adapter. Another possible cause is a disconnected connector; in this case, insert the connector correctly.
Why is my Seiko printer printing with defective density?
If your Seiko printer has defective printing density, it may be due to a defective thermal head resistance, requiring you to replace the printer unit. Another cause could be a defective contact between the FPC and the connector, so insert the FPC to the connector correctly again. Also, ensure you're using the recommended thermal paper and that the dipswitch setting is correct. Finally, check if there's an error in the head rank or applied energy setting, and adjust the applied pulse width correctly.
How to fix Seiko DPU-414 Printer battery that is not charged?
If the battery of your Seiko printer is not charging, it could be due to a charging time setting error, so set the charging time correctly. It may also be caused by a defective voltage of the battery, in which case you should replace the battery pack. Another cause could be a defective AC adapter, so replace the AC adapter.
Why Seiko printer has no power with the AC adapter?
If your Seiko printer has no power when using the AC adapter, it could be due to several reasons. A flat ribbon cable might be disconnected, requiring you to replace it. Alternatively, there might be defective soldering for the LED or a defective LED, suggesting a replacement of the switch board. Other potential causes include a disconnected AC adapter (replace the AC adapter) or a defective main board, which would necessitate replacing the main board.
What to do if nothing is printed on my Seiko DPU-414?
If nothing is printing on your Seiko printer, several factors could be responsible. It might be due to a disconnected FPC for the head, in which case you should replace the printer unit. Another possibility is the disconnection of the connector of the FPC for the head or the head scanning motor; ensure that you insert the connector correctly. Other causes include a burned thermal head (replace the printer unit), reverse setting of the thermal paper (set the thermal paper correctly), using non-thermal paper (use the specified thermal paper), a disconnected load wire for the head scanning motor (replace the printer unit), or a defective main board (replace the main board).
General| Type | Dot Matrix Printer |
|---|---|
| Print Method | Impact |
| Print Width | 80 mm |
| Interface | Serial, Parallel, USB |
| Number of Columns | 40, 80 |
| Power Supply | AC 100-240V |
| Number of Pins | 9 pins |
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