The software is not on Canon's official support website. You will find it on third-party sites. The safest method is often to search for the tool version reported to work for your .

Press and hold the button (usually a triangle inside a circle).

Canon Service Tool V3800 is one of several service utility programs circulating online that claim to enable advanced maintenance, configuration, and reset functions for Canon inkjet printers. These unofficial tools are popular among technicians and hobbyists who need to perform tasks beyond the capabilities of the standard user-facing software — for example, resetting waste ink counters, unlocking certain error states, or performing low-level service routines. This essay outlines what such tools do, why users seek them, the risks and limitations involved, and the ethical and legal considerations for their use.

Once you have the correct tool, the process is generally as follows (it may vary slightly by tool version).

As V3800 is often an unsigned executable, modern Windows operating systems (Windows 10/11) may block its execution. Users must often restart Windows in "Advanced Startup" mode to disable driver signature enforcement to allow the low-level USB communication required by the tool.

After your first digital reset, consider opening the bottom housing of the printer to wash and dry the felt pads, or routing an external waste ink bottle modification to catch the excess ink safely.

Clears Error 5B00, 5B01, and 1700, letting the printer function normally again.

Finding a clean download link for service tools can be tricky, as many sites bundle unwanted adware with the files. The Service Tool V3800 is typically distributed as a compressed ZIP or RAR file.

Temporarily disable your Windows Defender or antivirus software. These utilities manipulate hardware firmware, causing some security programs to flag them as a false positive. Extract the downloaded ZIP file using WinRAR or 7-Zip.

Ensure the printer is turned off, but keep the power cable plugged into the wall.