Question about Epson LX-300 Matrix Printer

Epson LX-300+ Matrix Printer Problem


I have one LX 300 + dot matrix printer. print out in dos mode draft ok but sans serif font make print double character.

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  • Lindi Steyl I have the same problem, the printout letters appear double!

    Nov 29, 2007

  • knightfeith i also have the same problem! please help me...

    Dec 10, 2007

  • qlenfg We use the LX300, LX300+ and LX300+ II printers with some of the equipment we sell and service. I thought I had seen every problem on these models until I had a unit printing double on the NLQ fonts.

    Doing a test print, the characters look fine for the first couple of lines, then the letters start slurring. It appears the two passes required for the NLQ fonts are not aligned -- the alignment gets gradually worse and worse with each line printed.

    I have cleaned and lubricated the guide rod the print head travels on, which is usually an issue with the units we see, but the issue remains. I'm guessing the issue is either with the main board, the motor that rolls the platten or the motor that moves the head.

    I have a spare chassis with working motors I will try first. Unfortunately, I do not have any spare main boards.

    Feb 06, 2008

  • Anonymous Bar Tender will now run in demonstration mode where one character per printed barcode or text object will be randomly changed in the print preview and the actual print output

    Mar 29, 2014

  • Anonymous reset printer seting

    Mar 28, 2014

5 Answers

  • Posted by:
  • on Dec 03, 2007
  • 1 Answer

6 Found Helpful

Answer # 1

Please change the setting print direction from bidirection to unidirection.

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1 Found Helpful

Answer # 2

How to check print head Epson lX300+

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  • Posted by:
  • on Mar 28, 2008
  • 3 Answers

1 Found Helpful

Answer # 3

I tried replacing the motors and the issue persisted, so I have to assume it was a board issue. Switching the printing to unidirectional as suggested by Albert124 took care of issue for us, as we were not concerned about printing speed, since our equipment runs at 300 baud.

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Answer # 4

The problem is with printer's carriage unit, just replace and check it.


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  • Posted by:
  • on Aug 27, 2009
  • 1 Answer

Answer # 5

Language as chainged

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