This is the most common use of the tool. Canon printers contain absorbent pads that soak up waste ink during cleaning cycles. The printer tracks how much ink is absorbed and will eventually stop working, displaying an error (usually Error 5B00). Once these pads are physically cleaned or replaced, the Service Tool is required to reset the electronic counter back to zero.
Resetting the waste ink counter without physically maintaining the printer is a temporary fix. The counter will reach its limit again, often faster than before.
Be very careful. Many downloads claiming to be the "Canon MB2140 Service Tool" contain viruses, adware, or keyloggers. You will typically find versions named: Canon Mb2140 Service Tool
Pro tip: The MB2140 often works with the v3400 or v2000 version. Run any downloaded file through VirusTotal before opening. Better yet, use a virtual machine or an old, offline Windows PC.
For models capable of printing on disc media, the tool allows for precise alignment adjustments. This is the most common use of the tool
A: No. The Service Tool does not write firmware. It only changes EEPROM parameters. To downgrade, you need a separate firmware flasher and a copy of the old firmware (extremely rare).
You cannot run the tool while the printer is in normal mode. Pro tip: The MB2140 often works with the
The Service Tool (often called the "Waste Ink Reset Tool" or "Service Program") is an unofficial software utility designed to communicate with your printer’s EEPROM (memory chip). It allows you to:
Canon does not release this tool to the public. It is intended for authorized service centers. The versions circulating online (e.g., Service Tool v2000, v3000, v3400) are leaked or reverse-engineered.
Important: This tool is not a driver. It does not help you print documents or scan. It is purely a maintenance override utility.