If you’ve refilled your cartridges and the printer is refusing to print because it thinks they are empty, this is the most common and effective "reset." The Problem:
the Stop/Reset button for exactly 5 to 8 seconds . how to reset canon mg2540s best
If your printer is malfunctioning or you need to clear all previous settings, a hard reset is your best option. If you’ve refilled your cartridges and the printer