Canon Mg2540s Service Tool [repack] -

Keep holding the button, then release the Stop/Reset button.

The Canon Service Tool is an official diagnostic software program used by technicians. It communicates directly with the printer's firmware to reset internal counters, perform deep cleanings, and test mechanical components. canon mg2540s service tool

: If you cannot enter Service Mode, your printer's mainboard may be "locked," a common issue if previous reset attempts failed. Keep holding the button, then release the Stop/Reset button

First, ensure you have the following: