problem in printer interface

Discussion in 'Embedded Systems and Microcontrollers' started by shabbir, Aug 12, 2009.

  1. shabbir

    Thread Starter New Member

    Jun 30, 2009
    I have a problem with printer interface.
    I connected the printer to the instrument through parallel port.
    After the completion of the operation in the instrument, if I switch OFF the instrument without switching OFF the printer and keep the printer in ON condition, then after switch ON the inst. for the next time, a garbage data is printing automatically.
    the strobe line is kept HIGH in default condition.

    Pls, suggest the solution.