[GreenKeys] UGC-136 ribbon status update

Wed Jul 30 20:58:07 EDT 2025

Remember that this ribbon cartridge design has NOT BEEN TESTED on an actual
machine yet.
I will be testing next week and John may revise the design based on those
results.
Of course if you want to test, go right ahead and please let us know it
goes..

Cheers,
Nick England K4NYW
www.navy-radio.com

On Wed, Jul 30, 2025 at 8:44 PM Elijah Johnson <elijahj92 at gmail.com> wrote:

> I was able to download the model as individual STL files for each part,
> packaged as a ZIP. I'll attach that to this email, hopefully it works for
> printing.
> On 7/30/2025 7:22 PM, John Hargett wrote:
>
> So have tried to look at the Onshape file, and even set up a free account,
> but unable to load, doesnt matter which browser I am using and even did a
> browser check thru onshape and says that it is compatible , never used
> onshape before, any suggestions?
>
> Can I download the file and open in my 3d print software?
>
>
> John Hargett
>   KG5YLG
>
>
> On 7/30/2025 2:36 PM, Nick England wrote:
>
>
> John Toebes has finished the 3D model and says-
> ------
> The model as it stands is public (
> https://cad.onshape.com/documents/cdc3f96f11393c190fe11103/w/d390734d64166e3974a43552/e/5db85b6313ad37598d4c25e0?renderMode=0&uiState=688a32f04b5cd462bd1047da
> )
> and if anyone else wants to take a stab at printing or editing, I’m all
> ears.
> ---------
> John is investigating the best way to print, regarding smoothness,
> supports, etc.
>
> Michael Katzmann reports on the German eBay ribbons
> Note - I think the eBay buy it now price has jumped from $75 to $95 plus
> shipping.
> -------------------------------------
> Michael says
>    The NCR ribbons from Germany are perfect.
> You can see the comparison between the original (that was in the machine
> for 30 years) and the NOS ribbon I just installed. (the new ink is dark
> violet).
> [yes the photo looks really good - Nick]
> Yes, it's pricey ... I paid around $100 (for four) with shipping.
> 1 item    $55.00
> Shipping  $38.28
> Tax*      $5.60
> Order total  $98.88
> (I made an offer and accepted the counter offer of $55 but think the price
> has gone up since I purchased them)
> https://www.ebay.com/itm/224506008457
>
> ----------------------------------------
>
> Nick England K4NYW
> www.navy-radio.com
>
>
> On Tue, Jul 29, 2025 at 9:52 AM Nick England <navy.radio at gmail.com> wrote:
>
>> 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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