: Triggers internal test patterns to verify the functionality of the nozzle and control panel buttons. 2. Entering Service Mode (Required)
Prints the current status of the printer. Pre-requisites Before Using the Service Tool
Finding the correct version of the software is critical. For the Canon PIXMA MG2540s, is generally recommended. Older versions (like V3400) may freeze or fail to recognize this specific model. Execution Steps
Right-click the downloaded Service Tool .exe file and select . Look at the top section labeled Clear Ink Counter .