Share 'Photocopy Machines---Viable for Personal Ownership?'

In The Match, Fred Woodworth strongly advises against buying, or even relying on photocopiers to print zines. In an old self-published book I read in early 80's the author said pretty much the same thing, advising mimeograph for self-printing. I have a ditto machine I do short zines on now and then, and a mimegraph I hope to try out and get working decently, but supplies for both these machines…