[GreenKeys] UGC-136 ribbon replacement

[Eric Moore]

That is super cool, my ribbon bleeds onto the paper when left idle, I am
curious if a manufactured ribbon would have the same issue.

It seems like a tension problem, the second blade you sent helped, but
keeping it from making contact with the paper at all and still getting good
print quality is tricky.

-Eric


On Sat, Jan 31, 2026, 7:02 PM Nick England via GreenKeys <
greenkeys at mailman.qth.net> wrote:

> Yes, this week I’ve been corresponding with a Navy contractor (SRC) tasked
> with coming up with a solution for the ones still in use aboard missile
> subs. He’s pretty delighted that we’ve already done all the work! I’ve
> given them the 3D files and the ribbon manufacturer contact and he’s
> already ordered some. I sent him one of our 3D printed versions to test.
>
> Not sure what we’ll get out of it other than a Bravo Zulu. Maybe a source
> for ribbons for the future. I’m going to ask for a photo of the UGC-136 in
> use aboard a sub, but probably they are a little funny about photos there….
>
> Cheers,
> Nick England K4NYW
> Chapel Hill NC
> www.navy-radio.com
>
>
> On Sat, Jan 31, 2026 at 7:44 PM Daniel Jones <djones at k6yic.com> wrote:
>
>> Thanks again for more great info Nick,
>>
>> I remember you said the Navy had reached out to you looking for ribbons?
>> Are they still utilizing these machines and did they ever request any of
>> these new designed ones?
>>
>> Daniel
>>
>>
>> www.K6YIC.com
>> DJones at K6YIC.com
>> HH#11973
>>
>> On Jan 31, 2026, at 16:12, Nick England via GreenKeys <
>> greenkeys at mailman.qth.net> wrote:
>>
>> 
>>
>> I think this will work for replacing the ribbon in an original UGC-136
>> cartridge. Either a new ribbon or remove, re-ink and replace an old one.
>> https://www.navy-radio.com/tty/ugc136/ribbon-r-r.htm
>>
>> The 3D-printed cartridges don’t need this mod, because we changed the
>> design from the original.
>>
>> Nick England K4NYW
>> www.navy-radio.com
>>
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