: It allows technicians to perform head cleaning, print head alignment, and internal sensor checks that are more advanced than standard driver settings.

: Find the Waste Ink Pad Counter option, click OK , check the boxes for the counters (e.g., Main pad counter), and click Initialize .

: Reading or writing internal printer data for technical repairs. How to Use the Utility

If you are hesitant to use unofficial third-party software, consider the following alternatives:

The M2120 is robust, but it has two notorious limits that trigger a "service required" error: