The phrase "subsidy press" refers to a system where the government or a third party provides financial assistance to media companies or newspapers in order to help cover their costs. Full definition
Too many subsidy presses have produced too many truly awful books. (susandaffron.com)
In much the same way, subsidy presses often offer canned book templates, so your book looks like many others. (susandaffron.com)
Additionally, using these companies, also called subsidy presses, is cause for concern if you know little about what you are getting into. (howtoblogabook.com)