The Canon Service Tool V3900 is an official, internal utility created by Canon for service technicians to maintain and repair Canon inkjet printers. The primary function of this software is to communicate directly with the printer's EEPROM to:
| Error Code / Symptom | Likely Cause | Solution | | :--- | :--- | :--- | | | The tool does not support your printer model or you are not in true Service Mode. | Triple-check compatibility. Retry entering Service Mode; sometimes it requires strict timing. | | Error 005 | Communication error between the PC and the printer. | Reinstall the official drivers. Ensure you are using a USB cable without any USB hubs in between. | | Virus Warning | Service Tools edit system registry keys to access the printer. | Temporarily disable antivirus, Windows Defender, and SmartScreen. | | Printer Not Found | Windows is using a generic IPP class driver. | Uninstall the driver via "Print Management" and install the specific Canon driver for your region. | | Tool Crashes on Launch | Missing system dependencies (C++ Redistributables). | Install or repair the Microsoft Visual C++ Redistributable packages (2008 to 2022). |
: Allows reading, writing, and clearing of the printer's Electrically Erasable Programmable Read-Only Memory. Print Head Management canon service tool v3900 download top
Over time, excess liquid ink accumulates in the physical felt pads at the base of the unit. If you reset your counter multiple times without cleaning or replacing these pads, ink will eventually leak out onto your desk or damage internal electrical components. Consider opening the bottom casing to wash out the ink pads, or place a secondary absorbent material inside the base to keep your printing environment clean.
In this guide, we provide a detailed overview of the resources, how to use the tool, and crucial safety steps for your printer. What is the Canon Service Tool V3900? The Canon Service Tool V3900 is an official,
Right-click the extracted Service Tool v3900.exe file and select .
Release both buttons; the green light should stay solid if successful. Which are you trying to reset? Retry entering Service Mode; sometimes it requires strict
Direct download without registration. How to find: Navigate to ResetKey's "Service Tools" section. They host a mirrored version of V3900 with a SHA-256 checksum for verification. Why top tier: Active since 2010; they offer a checksum library to ensure your file isn’t tampered with.
The Canon Service Tool (often labeled as ST4900 or ST V3900 ) is an unofficial, third-party developed software utility designed to interact with the EEPROM (Electrically Erasable Programmable Read-Only Memory) of Canon printers. Unlike the standard drivers provided by Canon, this tool grants to your printer.
The V3900 version is notably compatible with models released around 2013, including the (MG3510, MG3520, MG3540, MG3550, etc.). It also supports various older and contemporary models across the following series:
Under the section, select Main from the Absorber menu and click Set . Critical Safety Warnings