Parallel port Loopback (CheckIt)

pinout

Used to verify that a port is working. This one works with CheckIt

25 pin D-SUB male connector  to the computer

Name Pin Pin Name Busy 11 17 Select Input Acknowledge 10 16 Initialize Paper end 12 14 Auto Feed Select 13 1 Strobe Data Bit 0 2 15 Error

Source:www.pinouts.ru