How to fix canon printer mp250 plug out printer and plug in open printer cover, press stop/reset button remove plastic tape out of the cartridges, refill cartridges with ink and cover up with new. Reset canon mp250, mp252, mp258 problem: waste ink tank full, waste ink pad full, printer: canon pixma mp250, mp252, mp258. reset canon mp250, mp252, mp258: step 1: enter service mode. 1. turn off the printer. 2. press and hold the stop/reset button. 3.
