The detailed guide below covers everything you need to know about what this tool does, how it compares to older versions, and how to use it safely and effectively.
If you safely acquire the tool, you must put your printer into before launching the software. Step 1: Enter Service Mode Turn off the printer but leave it plugged into power. Press and hold the Stop/Reset button.
The green power light should flash a few times and then stay . Your PC may also play a sound indicating new hardware was found. The Risks of "Free Downloads" Online
In the section, select Main from the "Absorber" menu. Select 0% from the "Counter Value" menu and click Set . The printer should print a confirmation page if successful. Manual Reset Alternatives
Canon inkjet printers utilize an integrated waste ink absorption pad system to collect excess ink during cleaning cycles. To prevent overflow and physical damage, the printer’s firmware tracks the estimated ink saturation and triggers a "Service Error 5B00" or "Waste Ink Tank Full" warning, disabling the printer. The Canon Service Tool (CST) is the proprietary software used by Canon service centers to reset this counter and perform other EEPROM adjustments.
: Generates diagnostic patterns to check nozzle health.
This is the most common error in the software. It indicates that the software cannot communicate with the printer. This happens because the printer is not in Service Mode, it is connected via Wi-Fi instead of USB, or the driver is conflicting.