If you are still experiencing issues, or if your printer model is not supported, 💯 CANON MX SERIES PRINTER RESETTER SERVICE TOOL V4905
Allows you to read and save the printer's internal log data to check exact page counts and printhead health.
The printer is not actually in Service Mode. (Repeat Step 1 above, carefully tracking your button clicks).
MX320, MX330, MX377, MX397, MX410, MX497, MX537, MX860 Canon Service Tool V4905 Download -
While still holding the Power button, press the sequentially. Release both buttons simultaneously.
Runs comprehensive diagnostic patterns to check for clogs. ⚠️ Critical Warning & Safety
Turn off your printer completely using its button, but leave the power cord plugged into the wall. If you are still experiencing issues, or if
Release both buttons. The green power light will blink and then remain steady, indicating you are in Service Mode.
Every Canon inkjet printer features an internal waste ink pad that collects excess ink during printing and printhead cleaning cycles. To prevent ink from overflowing and causing physical damage, the printer's firmware tracks ink usage via an internal counter. Once this counter reaches 100%, the printer locks down, flashes its error lights, and displays a hardware error code.
If your Canon inkjet printer has suddenly stopped working and is flashing a series of error lights, you may be facing the dreaded "Waste Ink Pad Full" error, often corresponding to error codes such as . While this suggests your printer requires professional maintenance, a specialized software utility called the Canon Service Tool V4905 can reset the internal counter, allowing you to continue printing without immediate hardware replacement. MX320, MX330, MX377, MX397, MX410, MX497, MX537, MX860
Multiple USB printing devices are plugged in at the same time. Disconnect all other external hubs, scanners, or second printers.
The printer is not in Service Mode. Try entering Service Mode again, ensuring you click the Stop/Reset button 5 or 6 times.
Bypasses system locks to print test patterns for diagnostic purposes. Supported Canon Printer Models
Warning: This procedure will void your warranty (if still active) and may render your printer unusable if done incorrectly.