If you want to print Postcards , business cards , catalogues , etc., then you can use the cardstock to print with your HP printer . Since its thick, printing on cardstocks can be slightly complicated. Initially, the paper tray should be adjusted and set properly. Then, navigate to the Devices and Printers option and choose Paper Handling under it. Go to the Tray menu, scroll down and choose Cardstock or Heavy option to print on cardstocks. The next step is to modify the Printer Settings . Open the Print Dialog box by clicking on the Print option. Go to the Properties tab and set Cardstock as the Paper Quality. Click the OK option. Load cardstocks in the input tray. Do not overload the tray above its specified capacity. Align the cardstocks before placing them. Take a test print. If you fail to adjust the paper settings, then the output quality will be lower than expected. The output size and color will not be satisfactory. Your printer and the level of ink will fac...