Greetings,
To my knowledge heat transfer sheets usually work best with inkjet printers. They do make them for laser, but I have no experience with them. Heat transfer sheets are not listed as a supported paper type for the MF642Cdw, so I would call Canon to inquire.
1-800-652-2666
~Rick
Bay Area - CA
~R5 C (1.1.2.1), ~R50v (1.1.1) ~RF Trinity, ~RF 100 Macro, ~RF 100~400, ~RF 100~500, ~RF 200-800 +RF 1.4x TC, BG-R10, 430EX III-RT ~DxO PhotoLab Elite ~DaVinci Resolve Studio ~ImageClass MF644Cdw/MF656Cdw ~Pixel 10 ~CarePaks Are Worth It
