Apparatus for reducing the effects of ambient humidity variation

Apparatus with two vacuum chambers for electrophotography produc

Automatic duplex printing apparatus

Automatic roll-in take-up reel and multi-color image recording a

Avoidance of DEP wrong sign toner hole clogging by out of phase

Background from an electrographic printer through modulated off

Backup electrode for an electrostatic recorder

Belt donor for direct electrostatic printing

Bicolor image forming apparatus for forming a bicolor image on a

Board recording apparatus with reduced smudge

Capacitive electrostatic stylus writing with counter electrodes

Carriage support for recording head, diode matrix, and drivers

Cathode ray tube having image transfer means

Cathode ray tube printing apparatus and method

Ceramic printhead for direct electrostatic printing

Charge neutralization for plain paper electrography

Charge transfer imaging cartridge

Charge transfer imaging cartridge

Charge transfer imaging cartridge mounting and printer

Charged particle printer