Replacement toner hopper device

Reposition feature for an electronic typewriter

Reproduction and enlarging system and method

Resettable locking platen gap adjustment mechanism

Residue guard for nozzle groups of an ink jet printhead

Residue removal from nozzle guard for ink jet printhead

Resilient breech for microballistic printers

Resilient head assembly having resilient mount

Resilient-feed ball injector for microballistic printer

Resiliently mounted drive nut and carriage assembly

Resiliently mounted print magnet

Resistive sheet transfer printing and electrode head

Retard feed apparatus with noise suppression device

Retractable pin sprocket wheel for model 5310

Reusable business machine ribbon

Reusable carrier for printers

Reverse tab control system for typewriter

Reversible drive for flexible web

Reversible ribbon cartridge for a high speed impact printer

Revision typewriter system