Every inkjet printer flushes small amounts of ink during setup and printhead cleaning. This excess ink is directed into a series of thick felt pads inside the bottom of the printer.

The printer's green power light should flash for a moment and then stay solid. Your computer may play a sound indicating new hardware is detected. The printer is now in Service Mode. Step 2: How to Use Canon Service Tool v3400

: Clears the "full" error to allow printing to resume.

The is a specialized utility designed to reset the internal waste ink counter (Error 5B00) and perform maintenance on older Canon Pixma printers. It is specifically built for Windows OS and requires the printer to be in a special "Service Mode" via a physical button sequence to function. 1. Compatible Models

Resets the main and platen waste ink absorber counters back to 0%.

Triggers standard, deep, or system-level printhead flushing. EEPROM Tab

The Canon Service Tool V3400.zip is a software utility developed by Canon Inc. to help users troubleshoot and repair issues with their Canon printers. This tool is specifically designed for technicians and advanced users who are comfortable with using software utilities to diagnose and fix complex problems.