: Resetting the software counter does not physically empty the waste ink. To avoid messy leaks, it is highly recommended to physically clean or replace the ink absorber pads if the counter is reset more than once.
To use this software, the printer must first be placed into . While steps vary by model, the general procedure is: Canon Service Tool V.3900 Download
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. : Resetting the software counter does not physically
Wait for the green power light to stop flashing and remain steady. If the light blinks, there may be other hardware errors preventing Service Mode entry. 3. Resetting the Ink Absorber Counter Once the printer is in Service Mode, run the Service Tool V3900.exe as an administrator on your PC: Select Port: Choose the connected USB port from the "USB PORT" dropdown. Counter Reset: Navigate to the Ink Absorber Counter section. Select from the "Absorber" menu and click Confirmation: While steps vary by model, the general procedure
| Problem | Likely Cause | Solution | |--------|--------------|-----------| | Tool says "Cannot communicate" | Printer not in Service Mode | Repeat entry procedure carefully. | | Tool crashes on Windows 10/11 | Missing DLL or compatibility | Run in Windows 7 Compatibility Mode. | | Reset works, but error returns next day | Physical waste ink pad is actually full | You must open printer and clean/replace the physical pad. | | Buttons are grayed out | Wrong tool version for your printer | Find an earlier (V.3400) or later (V.4000) version. |
Canon Service Tool V.3900 can help to troubleshoot common issues with your Canon printer or multifunction device. Here are some examples of common issues and how to resolve them using the tool: