MG2120, MG2270, MG3120, MG3570, MG4270, MG5270, MG5370
The printer keeps track of this ink accumulation via an internal digital counter. Once this counter hits 100%, the printer locks down to prevent ink from overflowing onto your desk. Version 3900 is specifically engineered to communicate with the printer's EEPROM memory to clear these lockouts. Key Features of the V.3900 Utility
With the tool at the ready, Emma connected her laptop to the printer and launched the software. The interface was intuitive, and she quickly navigated to the "Service" menu. After a few cautious clicks, she initiated the firmware reset process.
Note: For newer TS, TR, or late-generation G-series models, higher versions of the Service Tool (such as V.5103 or V.5302) are required. How to Safe Download Canon Service Tool V.3900
: Look at the top of the software interface. The program should automatically detect your connected printer port. Reset Waste Ink : Locate the Main tab. Find the Clear Ink Counter section. Set the absorber option to Main . Click the Set button located next to it. Canon Service Tool V.3900 Download
Using software to reset the ink counter tricks the printer into thinking it has brand-new, empty ink pads. However, the physical waste ink is still sitting inside the old pads.
While compatibility can vary based on firmware revisions, Canon Service Tool V.3900 generally supports older to mid-generation Pixma models, including: iP2770, iP3600, iP4700, iP4870, iP4970 Pixma MP Series: MP230, MP250, MP280, MP287, MP490
Turn off the printer, wait 10 seconds, and turn it back on normally. Your error code should be gone. Important Safety Warning: Physical Cleaning Required
: Includes options for deep cleaning and print head alignment adjustments beyond the standard user menu. Important Precautions MG2120, MG2270, MG3120, MG3570, MG4270, MG5270, MG5370 The
Performs detailed nozzle checks and alignment tests. Supported Printer Models
A: The reset only tells the printer the pad is empty. If the pad is physically soaked, ink may leak inside your printer, causing electrical shorts. Inspect the pad if the error returns quickly.
Reads, saves, and writes the printer’s Electronically Erasable Programmable Read-Only Memory data for diagnostics.
V.3900 runs natively on Windows 11, 10, 8, and 7. It is incompatible with macOS or Linux operating systems. Key Features of the V
The Canon Service Tool V.3900 (sometimes written as ST-v3900) is a proprietary software utility designed by Canon for authorized service centers. Unlike the standard printer drivers or the My Printer software for end-users, the Service Tool operates at a firmware level. Its primary function is to access the printer’s EEPROM (Electrically Erasable Programmable Read-Only Memory) to reset internal counters.
: Users can read and print EEPROM data to diagnose internal hardware issues or verify the current status of the printer’s life cycle.
Canon Service Tools are copyrighted material intended for authorized service centers. Downloading cracked versions may violate software agreements in your region. Always consider taking your printer to an authorized Canon repair center first.