- May 2023
I buy exclusively from Ribbons Unlimited since their products and service are superb. I have purchased from Amazon suppliers if I need a ribbon "pronto", but the biggest problem that I run into with their supplier's ribbons is the fact that they normally don't have reversing grommets installed at the end of the ribbons, and unless your machine can sense ribbon tension and reverse the ribbon, you have to reverse the ribbon direction manually. I purchased a grommet installation tool to try and capitalize on the cheap price of Amazon ribbons, but found that it's not really worth the effort (plus my hands got really "inky") - I always come back to Ribbons Unlimited.
Some cheap typewriter ribbon spools don't have grommets on them to force auto-reverse of the spool. Without grommets, some machines may sense ribbon tension for reversal, otherwise one needs to switch direction manually.
There are grommet installation tools that one can use, but this often requires getting one's hands dirty to install them.
Ribbons Unlimited has a good reputation in the r/typewriters community for providing good sales and service.