Canon Service Tool V.3900 Download |verified| Jun 2026

Canon Service Tool V.3900 Download |verified| Jun 2026

Right-click on ServiceTool_V3900.exe and select . Step 3: Resetting the Ink Counter Using V.3900

Using the wrong version of the Service Tool on newer models can lock the printer out of Service Mode permanently. For newer printers from 2022 onwards, versions like or higher are recommended. Service Mode button sequence for a particular printer model? Canon Service Tool V.3900 Download

While the physical pads may not always be completely saturated when the error triggers, the printer will refuse to print until the internal electronic counter is reset. This is where the Canon Service Tool V.3900 becomes necessary. What is Canon Service Tool V.3900? Right-click on ServiceTool_V3900

Temporarily disable your antivirus software if it flags the file as a false positive (common with specialized modification utilities). Right-click the .zip file and extract it to your desktop. Step 3: Run the Reset Process Service Mode button sequence for a particular printer model

Optionally, click to print a confirmation sheet showing the counter has been reset.

Release both buttons. The power light should blink and then stay solid green , indicating it is in Service Mode. 3. Resetting the Counter Service Tool V3900.exe Select your printer's from the dropdown menu. Ink Absorber Counter section, find the "Absorber" menu and select ) to zero out the counter.

Once you have downloaded the Canon Service Tool V.3900 software, follow these steps to install and set it up:



See latest/ for a pre-release test build.

all.zip containing all bin files in a single zip file.

Migrate ESP32 installs from SPIFFS to LittleFS

From 2025/06/26 onward, there will be no longer SPIFFS builds for ESP32-xx.
This means all ESP32 builds are now LittleFS and thus this is no longer mentioned in the name of the build.
See Migrate from SPIFFS to LittleFS (ESP32) in the documentation on how to migrate older (ESP32) SPIFFS installs to LittleFS