Canon Service Tool 4905 Jun 2026

To use this tool effectively, users must keep several technical constraints in mind:

The Canon Service Tool V4905 is a specialized utility designed for maintenance and repair tasks on Canon inkjet printers, specifically focusing on resetting internal counters. It is primarily used to address the "waste ink absorber full" error, which effectively locks a printer once its internal waste pads have reached a predetermined saturation level. Functionality and Compatibility

Still holding the Power button, press the button exactly 5 times (some models require 6 times). Each time you press it, the LED lights will alternate between orange and green.

: Do not download or use the Canon Service Tool 4905. The risks far outweigh the benefits. The safest, most reliable, and most ethical path is to contact an authorized Canon service center for all maintenance and repair needs.

If you attempt to click any button in the software and receive an , it means the software cannot establish secure communication with the printer. canon service tool 4905

: Enables communication with the printer's internal firmware to perform diagnostic tests and adjustments.

Right-click the executable file and select .

The waste ink pads are dense pieces of felt located at the bottom of the printer chassis designed to trap purged ink. If you reset the electronic counter 2 or 3 times without replacing or washing the physical felt pads, the ink will eventually overflow out of the bottom of the machine, ruining your desk, carpet, or internal electronic circuitry.

Disconnect the USB cable, restart both the PC and the printer, and repeat the Step 1 process carefully to ensure the green light stays solid. Error Code 002 To use this tool effectively, users must keep

Print head not recognized (can sometimes be cleared via EEPROM reset). Supported Canon Printer Models

Ensure you are using v4905. Older versions (like v3400) will not work on newer printer models.

Unplug the USB cable, restart the printer, carefully redo the "Part 1" button sequence, replug the USB cable into a different port, and restart the software. Error Code 005 (Device Not Found)

For models that use chip-based cartridges (PGI-225/CLI-226, etc.): Each time you press it, the LED lights

Canon Service Tool v4905: The Ultimate Guide to Resetting Your Canon Printer

Before running the tool, the printer must be placed into Service Mode. The exact key sequence varies by model, but a common method is:

Extract the downloaded Service Tool v4905 ZIP file and run ServiceTool_4905.exe as an Administrator.

How to interpret other, more complex error codes Tips on how to use third-party inks without causing clogs Just let me know your specific model number and problem !