OKI Microline 391 Elite Problem
"I am having a problem with a OKI Microline
391 Elite. I opened it up and cleaned out the dust and paper from
inside. On putting it back together and powering up, The SEL light,
the COURIER font light, LW and 10 cp light are all flashing and
the stepper motor for the platen is jigging back and fore about
once every 3 secs."
(From: Glenn Allen (pclogic@xtra.co.nz).)
These printers generally need just a clean out
and put back together.
I would try to reseat the main logic board first,
also try cleaning the edge connectors. There is a plastic joining
bracket between the print head cable and the main logic board.
If you are getting bad carriage movement then check
that the carriage can move freely back and forth, also check the
black teethed guide lying on the bottom for clogged teeth. The print
head ribbon can be removed for better testing. if the carriage doesn't
move freely then you may need to adjust it's position by loosening
the two screws on either side of the print head carriage and then
adjusting back and forth until good movement is achieved.
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