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Common faults of dot matrix printer-Alice

December 01, 2021

When using a dot matrix printer, the most common problem is ribbon failure. The following introduces and solves several printer ribbon failures.

1. The ribbon is broken. The tension of the ribbon is too large, the suture is broken or the ribbon is broken by a hammer. In the former case, you can cut off the broken part and re-stitch it; in the latter case, just replace the ribbon.

2. The ribbon is jammed. The edges of the ribbon are easily entangled with the ribbon wheel after being shed or fluffed, causing the ribbon wheel to be jammed, and the ribbon cannot be retracted into the ribbon cassette normally. The solution is: first open the printer cover, open the ribbon arm and hammer row interlocking handle, gently pull the ribbon back at the ribbon feeding end of the ribbon cassette, and then close the ribbon rotor arm to interlock with the hammer row Handle, turn on the power, the ribbon will be put back into the ribbon cassette after the machine self-test.

3. The Hall effector is damaged. When the ribbon is frequently stuck, the Hall effector is constantly squeezed, which causes damage and fracture. This failure can only be replaced by the ribbon arm assembly or the ribbon motion sensor.

4. The drive belt of the ribbon driving wheel is worn or broken. This failure is caused by the driving belt being used for too long or the character chain rubbing against the driving belt. The solution is to adjust the position of the character chain so that it no longer rubs the drive belt; if it is broken, please replace it.

5. The ribbon motion sensing signal is interrupted for no reason. First check whether the ribbon motion sensing signal line is damaged, if it is broken, please replace the signal line; then check whether the ribbon motion sensing signal line at the J6 socket on the interlock conversion board is damaged or not in contact, please replace or insert it Good signal line.

[Disclaimer: The above content is derived from the Internet and does not represent the views of this site. I hope some of the content can help you. 】


We (Alice) are a manufacturer specializing in the production of nameplates for office appliances. We have 21 years of experience in making furniture signs. We can produce zinc alloy, aluminum alloy, stainless steel, copper, brass, iron, and titanium. , PC, PET, PE, pvc and other different labels.

Contact us E-mail: sales03@alicelogo.com

WhatsApp: +86 132 6564 6796

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