Why Printers Don't Work There are many reasons why a printer may not work or stop working. They are: 1 CMOS Setting is incorrect (wrong type of port: SPP, ECP, Bi-Di) 2 Driver not installed 3 Wrong Driver selected 4 wrong default printer selected 5 Defective printer cable 6 Wrong type printer cable (old type instead of IEEE/BI-Di) 7 Defective Port (burned out by static electricity) 8 Defective Printer (burned out by static electricity or failure) 9 Driver conflict 10 Corrupted Application Software 11 Virus Fixes Check settings for above, substitute, reinstall drivers, check for virus', backup data, reformat and reinstall operating system, all drivers, and software, restore data