for at least 5–10 seconds while the printer is on.
To perform a full factory reset without an LCD: This reverts all internal settings. how to reset canon mg2540s
Enter Service Mode by following steps 1–5 in Method 1 (hold Power, tap Stop 5 times). for at least 5–10 seconds while the printer is on
There are different types of resets. Make sure you know which one you need: how to reset canon mg2540s
This works for Canon’s ink level detection reset. It does not reset the waste ink counter.
: If the printer refuses to print after a refill or due to a "low ink" error, press and hold the Stop/Reset button for at least 5 to 10 seconds
While holding , press the Stop button 5 times in a row. Release both buttons.