(1) The printer self test (to determine whether there is a hardware failure the printer itself.) 

(2) detect the printer cable: (. Determine whether faulty printer cable) in the ms-dos, execute the following command: dir> prn 

(3) Under the window9x, print a test page: (to determine whether the correct printer driver) My Computer -> Printers -> find the corresponding printers -> right click the right mouse button -> pop-up menu, select Properties -> Select General -> click Print a test page. test page correctly indicate the printer driver is installed correctly. 

(4) check whether the application problem. 

 

Note: more than 680 model printer and computer must be connected directly to the middle can not connect the scanner or sharing.