Resetting the software counter fixes the digital lock, but it does magically empty the physical waste ink.

I can provide specific troubleshooting steps for your exact setup. Share public link

Launch the AdjProg.exe file (Right-click and select ). Click the Select button at the top of the interface. Choose L6490 under the Model Name drop-down menu.

Ensure you are running the application as an administrator. Temporary antivirus disables may be required, as some security programs flag adjustment utilities as false positives due to how they interact with system hardware ports. Conclusion

: Includes advanced cleaning cycles (Weak, Middle, Strong) and printhead alignment beyond what is available in standard drivers. Diagnostics

(Wi-Fi is generally not supported for these deep-level adjustments). : Running the AdjProg.exe