Canon Service Tool 4905 (2026)

– if you own a compatible Canon PIXMA printer and are facing a 5B00 error. Instead of spending $80+ on a service center or $100 on a new printer, a 10-minute reset with ST4905 restores full functionality at zero cost (beyond the effort to find the tool).

Unplug the USB cable if desired, wait 10 seconds, and press the button to turn the printer back on normally.

While Canon officially recommends sending the machine to an authorized service center for a costly repair, there is a professional solution you can deploy right from your desk: the . 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.

reset "disposable" or very entry-level models like the MG24xx, MG25xx, E40x, or E41x series without a physical firmware flash. How to Use Service Tool 4905 To use the tool, your printer must first be in Service Mode Step 1: Enter Service Mode Turn the printer but keep it plugged in. Press and hold the Stop/Reset While holding Stop, press and hold the Release the button (keep holding Power). 5 or 6 times – if you own a compatible Canon PIXMA

| Version | Compatible Era | Example Models | Key Difference | | :--- | :--- | :--- | :--- | | | 2008–2012 | MP240, MP280 | Older EEPROM architecture | | v3600 | 2012–2015 | MG2120, MG3120 | Added platen counter | | v4700 | 2015–2018 | MG3000, MG3600 | First to support TS series | | v4905 | 2018–2022 | TS3100, MG2520 | Supports latest firmware locks |

Based on available information, the 4905 version supports a wide range of Canon printers, including: While Canon officially recommends sending the machine to

Version 4905 is highly sought after because it supports a vast generation of Canon Pixma models, particularly those released in the mid-to-late 2010s. It bridges the gap between older legacy tools and the newest cloud-locked service systems. Compatible series generally include:

This version is generally compatible with older and mid-range Canon models from the G, MG, and MX series.