Abstract: For a computer printer having a paper feeder designed to engage a continuous perforated paper having a series of prepunched holes on the left and right marginal strips, a vacuum attachment is disclosed for keeping clean the interior of the computer printer from dust, paper perforations, paper punch waste materials, or other debris produced during printing operations, comprising vacuum means, nozzle means operably connected to said vacuum means, and means for amounting the nozzle means adjacent the paper feeder of the computer printer.