Generally, the memory cache can be cleared using the printer's control panel or software. Navigate to the printer's settings or maintenance menu, and look for an option to clear the memory cache or reset the printer to its default settings. Follow the on-screen instructions to complete the process. Alternatively, the memory cache can be cleared using the printer's software on your computer. Find the option to clear the memory cache or reset the printer and follow the on-screen instructions to complete the process.