Ensure the USB cable is securely connected. Avoid using external USB hubs; plug directly into the motherboard port.
This software is not distributed or supported by Canon. Official maintenance is handled through the IJ Printer Assistant Tool or by an authorized service center.
Close other printing queues, replace the USB cable, and use a USB 2.0 port instead of USB 3.0. The mainboard is locked permanently (bricked firmware).
Still holding Power, press the button 5 times consecutively (for some older models, press it 2 or 6 times). With each press, the alarm and power LEDs will alternate. Release the Power button.
MG2120, MG2270, MG3170, MG3570, MG4270, MG5270, MG5370 PIXMA G Series (Early Models): G1000, G2000, G3000 canon service tool v3900 download top
Before you download, ask yourself:
Approach downloading this software with extreme caution. The official Canon website does not host the v3900 tool for public download, as these tools are intended for authorized service centers. . Therefore, any source you find will be a third-party website, and these can carry significant risks.
For a permanent fix, open the printer casing, remove the saturated felt pads, rinse them thoroughly under warm water, let them dry completely, and reinstall them. To help you troubleshoot effectively, let me know: What of Canon printer do you have?
Using software to reset your printer bypasses the physical limitation of the hardware. The waste ink pads inside your printer are literal foam blocks. Ensure the USB cable is securely connected
Your 5B00 error is gone, and your printer is fully operational. Troubleshooting Common Service Tool Errors Error Code
Using the service tool incorrectly, or using it on an unsupported newer printer model, can permanently corrupt your printer's mainboard firmware. If the printer's EEPROM chips freeze, the machine will become entirely unresponsive (bricked), requiring a physical motherboard replacement. How to Safe-Proof Your Search and Download
If the tool throws an Error 006, it means the software cannot communicate with the printer. Make sure the printer is truly in Service Mode and that no other printing tasks are stuck in the Windows print queue.
MP237, MP250, MP258, MP280, MP287, MP490, MP497 Official maintenance is handled through the IJ Printer
: Performs deep nozzle cleaning and test prints to diagnose hardware issues. Region Settings
Resetting the printer to factory settings.
: Performs extended nozzle checks and service-level test prints.
Look at the top right section of the tab named Clear Ink Counter .
