This guide is for informational purposes only and applies to older, compatible Canon printers. Do not attempt this on a newer device.

Let go of the Power button. The green light should flash for a few seconds and then stay solidly lit.

The EEPROM may be severely locked. You may need to replace the logic board.

To help you get your printer back up and running smoothly, please let me know: What exact are you trying to reset?

Click the button. The printer should feed a blank sheet of paper or make a brief mechanical noise to confirm the reset.

While the tool is available for download on sites like 2Manuals.com or through community resources on Scribd , users should exercise caution.

If possible, run the software inside a Windows Sandbox or virtual machine environment to protect your primary operating system. Critical Hardware Notice

: Using version V3400 on newer printer models (like the G-series or newer MG models) can permanently lock the service mode

: Using V3400 on a printer model it doesn't support (newer models often require V4720 or higher) can permanently lock your printer's service mode

: The primary reason users seek version 3.4.0.0 is to fix the "Ink Absorber Full" error.

Forces a high-pressure ink flush to clear stubborn clogs.

The software window will open. If your printer is correctly in Service Mode, the options within the tool will be clickable (not greyed out). Step 3: Resetting the Waste Ink Counter Look at the top section labeled .

Canon inkjet printers are popular for their high-quality output and reliability. However, like all mechanical devices, they require regular maintenance. A common issue users encounter is the "Ink Absorber Full" error, which effectively locks the printer until it is serviced.