For a quick check of the error, press the button above the button for about 10 seconds to see if the error code prints out. If the printer is not recognized by your computer after a reset, reinstall the latest driver from the Samsung/HP website.
By using a , you can effectively stop the Samsung M2020W
Use a dry, lint-free cloth or a canister of compressed air to gently clean the inside cavity.
A command prompt window will briefly open, showing a progress bar or a series of dots indicating data transmission.