Optical writing head and method of correcting the deviation...
Optical writing head using a self-scanning light-emitting...
Optimizing printing speed and managing printed sheet...
Orifice plate cleaner for hot melt ink jet
Orthogonal rotary wiping system for inkjet printheads
Orthographic keyboard
Oscillatory band and hammer dot matrix printer
Overlapping overstrikeable ribbon and use thereof in...
Overlappingly overstrikable ribbon for matrix printing...
Packaging machine with thermal imprinter and method
Page end indicator
Page end indicators and paper table extension means for...
Page end indicators for typewriters
Page-wide piezoelectric ink jet print engine and a method of...
Page-width printhead
Paper drive mechanism
Paper feed and eject control apparatus for printer system
Paper feed control in a printer
Paper feed control in a printer
Paper feed control in a printer