How to print the Configuration Report on ML-1861/1866 printers In Ready Mode...Press and hold the Print Screen button for 10 seconds until the status light begins to flash slowly. Then release the button and the report will print. Note: The "Print Screen" button is the one on the top of the printer just above the power button (not the one on the computer). How to print the Supplies Report on ML-1861/1866 printers In Ready Mode...Press and hold the Print Screen button for 15 seconds until the status light begins to flash rapidly. Then release the button and the report will print. Note: The "Print Screen" button is the one on the top of the printer just above the power button (not the one on the computer).