[GreenKeys] UGC-136 ribbon status update

Nick England navy.radio at gmail.com
Tue Jul 29 09:52:38 EDT 2025


Michael Katzmann has ribbon cartridges on the way from the German eBay
source and will let us know if they are the correct ones. They had made it
from Germany to NYC at last report.

John Toebes has completed a 3D model of the ribbon cassette and his test
print looks really nice. I will install and test his final version and let
everyone know. I’ll also evaluate new ribbon sources.

Finally, don’t forget to adjust the print head position lever. Mine came
with the head fully retracted and I thought “dry ribbon” until I realized
what was happening. Now it is very happily printing.
https://www.navy-radio.com/tty/ugc136/print-head-adjust.jpg

I keep adding observations and hints at
https://www.navy-radio.com/tty/ugc136.htm#hints

Cheers
Nick England K4NYW
www.navy-radio.com
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