POS receipt printing

Question

I am working with three different receipt printers ( Star TSP143, Star 654IIBi, and Bixolon SRP 350II).
Whenever I print a receipt via the POS UI the quality is very poor (low density, improper positioning, jagged characters); however, when I print from POS > Daily Operations > Order detail interface using the 'Reprint' option which renders the receipt as a PDF the quality is high both in the PDF and the printed version using the receipt printer.
What do I need to do to get high quality results

George Mengelberg · Answer

I am partially answering my own question, and will update w/ more info as I discover it.
We predominantly work with Japanese character sets and the existing font-family used in the pos.css file (e.g. 'Inconsolata') did not render good results. I found this stackoverflow article (stackoverflow.com/questions/14563064/japanese-standard-web-fonts) which indicated a best practice was to use:
font-family:"ãã©ã®ãè§ã´ Pro W3", "Hiragino Kaku Gothic Pro",Osaka, "ã¡ã¤ãªãª", Meiryo, "ï¼­ï¼³ ï¼°

agb80 · Answer

Try enabling the print using proxy on PoS terminal and using this app for communicate directly with hardware: https://github.com/Fedrojesa/ProxyPoS [1]

Very high quality as you are using the build in printer features.

[1] https://github.com/Fedrojesa/ProxyPoS

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