This likely refers to a specific vendor or a typo for the Samsung SCX-3405 or similar models that use the MLT-D101S or MLT-D111S toners. The guide below applies specifically to the ML-2165/2168 series.
Turn the printer off. Hold the "Print Screen" button and then press "Power." The LEDs should light up, indicating it is ready for data. This likely refers to a specific vendor or
Drag and drop the .hd firmware file onto the usbprns2.exe application (often provided with the fix). turn the printer OFF
Obtain the firmware package from a specialized provider like This likely refers to a specific vendor or
If the standard update doesn't work, turn the printer OFF, then press and hold the Print Screen and Power buttons simultaneously for a few seconds before releasing both.