Canon Mg2540s Service Tool Jun 2026

While keeping the Power button held down, release the Stop/Reset button. Now, press the Stop/Reset button 5 times (some sub-models require 6 times). Release Power: Release the Power button.

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: If you cannot enter Service Mode, your printer's mainboard may be "locked," a common issue if previous reset attempts failed. While keeping the Power button held down, release

A dialog box saying "A function was finished" should appear. release the Stop/Reset button. Now