[GreenKeys] Teletype Model 43 ribbon

[Michael Zahorik]

I have a model 43 and tried to find a replacement ribbon but had no luck. I then cleaned my old ribbons and sponge with alcohol and ironed the ribbon smooth with a cool iron. I also had to replace a tension spring for the ink sponge. I used some ink I found on eBay. This ink will dry out if you don't use the printer regularly, but a little more will refresh it. Worked for me.
 Mike Zahorik (414) 254-6768

      From: Gabriel Egan <mail at gabrielegan.com>
 To: greenkeys at mailman.qth.net 
 Sent: Thursday, May 19, 2016 9:59 AM
 Subject: [GreenKeys] Teletype Model 43 ribbon
   
Dear Greenkeyers

I know it's not quite the technology preferred
by this list, but I've got hold of a Teletype
Model 43 and I wondered if anyone had expertise
to help me get it running correctly.

It communicates with my Altair 8800 clone
computer perfectly, but the printing quality
is poor. The reason seems to be that the ribbon
isn't advancing. The ribbon comes out of a cassette
that is fixed to the body of the machine (doesn't
move with the printhead) and there doesn't seem
to be any machinery that would advance it. The
ribbon forms a big loop that is the width of
the platen and head its within this loop and
moves rightwards while the ribbon stays stationary.

There are no rotating spindles on the ribbon cassette,
so any mechanism to advance it would have to haul
on the ribbon itself, but there doesn't seem
to be any such mechanism. It the printhead
itself supposed to drag the ribbon in some
way as it moves over it?

Regards

Gabriel Egan




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