Canon Service Tool V4905 -2021- Download ((full)) Jun 2026

Some older Canon printers support third-party firmware like (for cameras, not printers). For printers, no fully legal open-source service tool exists because Canon’s USB commands are proprietary.

Version V4905 is known for its broad compatibility with many older and mid-range Canon series: : G1000, G2000, G3000, G1400, G2400, G3400. Canon Service Tool V4905 -2021- Download

A clean V4905 will typically have 1-2 heuristic detections (false positives due to its low-level hardware access). If you see 10+ detections, delete it immediately. Some older Canon printers support third-party firmware like

If you search for Canon Service Tools online, you will find dozens of versions. So, why is specifically targeted by users looking for the 2021 release? A clean V4905 will typically have 1-2 heuristic

Disclaimer: This article is for educational purposes only. Bypassing safety counters may void your warranty. The author is not responsible for any damage to your printer. Always back up your printer’s EEPROM data if possible.

Older tools (like V3400) were excellent for older PIXMA models (like the iP2770 or MP287). However, they often fail to recognize the chipsets of newer generations. The V4905 version introduced compatibility with a wider range of "G" series (MegaTank), "TS" series, and "E" series printers.