Here's what I do:
Print to glossy magazine paper Use highext density printing available. Don't touch surface of paper.
Clean copper qith 00 steel wool, then wash thoroughly. Don;t touch copper.
Transfer using laminator (preferred) or iron.
Soak paper off with water. Rub with fingers and/or toothbrush.
Inspect. Remove any printing from magazine paper with IPA. Touch up any missing toner with RED Sharpie.
Etch.
Drill.