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My old dot matrix printer (Star Micronics sp 300) broke and I bought the same model and plugged in the parallel port as usual.

however, the printer prints this instead (the lines are spaced out) :

https://i.sstatic.net/uQbSj.jpg

Also the manual if you understand it : http://www.manualslib.com/manual/164989/Star-Micronics-Sp300.html

I'm thinking it has to do something with "control font" or "control code" to reset the number of lines. I only have cmd DOS to work with since I do not have any more desktop computers or windows installed.

Anyone have any clue?

Thanks!

user2532928
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1 Answers1

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Not sure but if I remember it right, on my old Star printer, you have to enter "Memory Switch" mode and set LPI (lines per inch) to a bigger number. You will be needing the user manual to guide you on how to enter this mode. The link above is a Programmer's manual.

miggy
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