Before you begin, double-check that your printer model is supported, carefully follow the service mode entry steps, and always back up any important data. With the right approach, v4905 can save you the cost and hassle of a premature printer replacement.
Turn the printer off using the power button (it may take a few seconds to shut down), then turn it back on normally. The error code should now be cleared. Alternatives to Unauthorized Downloads
I can give you specific instructions tailored directly to your hardware layout. Share public link
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Keep holding the Power button. Release the Stop/Reset button, then press it exactly 5 times (or 6 times for certain G-series models). The indicator light will alternate between green/blue and orange with each press. Release Power: Release the Power button.
What is your printer currently showing? What operating system version is your computer running?
Check if you chose the wrong absorber type, or upgrade to a newer version of the tool. Multiple printers connected or bad cable connection. Before you begin, double-check that your printer model
The V4905 tool is the "key" to un-bricking it without taking it to a repair shop.
If you download a corrupted or incorrectly patched version of v4905, the tool may write random data to your printer’s EEPROM. This can:
Now for the main event—actually resetting your printer. Follow these instructions exactly to avoid errors. The error code should now be cleared
Follow this sequence carefully. The timing of button presses is critical.
Temporarily disable your antivirus only during the download, extraction, and execution phases . Re-enable it immediately after the reset is complete, and consider adding an exception for the service tool's executable to prevent future issues.
Still holding the Power button, press the button 5 or 6 times (depending on the exact model). The green ledger light should blink with each press. Release both buttons simultaneously.
The is an official proprietary software utility used by Canon technicians to calibrate, test, and reset various internal parameters of Canon Pixma printers. While not officially distributed to consumers, this version has become highly sought after in the right-to-repair community because it supports a vast range of modern Canon printer models. Understanding the Waste Ink Absorber Error
While keeping the Power button held down, press the (or 6 times for some specific G-series models). The alarm LED will alternate between green and orange with each press. Release the Power button .