Canon Service Tool 4905 May 2026
In this 2,000+ word guide, we will dissect everything you need to know about the Canon Service Tool 4905: what it is, which printers it supports, how to use it safely, legal considerations, and step-by-step troubleshooting for common errors. The Canon Service Tool 4905 (often labeled as ST4905 or Service Tool V4905) is a Windows-based software application designed to communicate with Canon printers operating in "Service Mode." Unlike standard printer drivers, this tool bypasses normal firmware restrictions to access low-level EEPROM settings.
A: No. It requires Windows. You can run it via VirtualBox or Wine, but USB passthrough can be unreliable.
If you own a Canon inkjet printer—particularly models from the PIXMA MG, MX, MP, or TS series—you may have encountered a frustrating dead end: the dreaded "5B00" or "5B02" error code. This error signals that your printer’s internal waste ink pad counter has reached its maximum limit. In most consumer scenarios, this message effectively bricks your device, prompting a costly trip to a repair center or an unnecessary replacement. canon service tool 4905
Enter the . This software utility is the unofficial key to your printer’s service mode, allowing you to reset counters, run diagnostics, and perform maintenance tasks that Canon normally reserves for authorized technicians.
Just remember: use it responsibly. Reset only the waste ink counter, avoid experimental buttons, and physically check your ink pads every few resets. With care, the Canon Service Tool 4905 can extend your printer’s life by years. Q: Is Canon Service Tool 4905 free? A: Yes, it is distributed for free online. Beware of scammers selling it. In this 2,000+ word guide, we will dissect
If you found this article helpful, share it with fellow Canon users. And remember: the most sustainable printer is the one you don’t throw away.
A: No. 6A80 is a mechanical jam, not a counter overflow. You need to physically clean or replace the purge unit. It requires Windows
Disclaimer: This article is for educational purposes only. The author is not responsible for any damage resulting from improper use of service tools. Always consult your printer’s service manual before proceeding.