Ribbon cartridge mounting movable power switch tab

Ribbon cartridge reloader

Ribbon cartridge retention

Ribbon cartridge with back check

Ribbon cartridge with broken unidirectional friction drive and s

Ribbon cartridge with correction cartridge lock-out circumventio

Ribbon cartridge with endless ribbon reinking mechanism

Ribbon cartridge with improved ribbon tensioning and locking

Ribbon cartridge with integral re-inker

Ribbon cartridge with pivotable ribbon guide arms

Ribbon cartridge with ribbon guide arms

Ribbon cartridge with self-contained ratchet and drive gear asse

Ribbon cartridge with shield

Ribbon cartridge with take-up arm

Ribbon cassette

Ribbon cassette

Ribbon cassette

Ribbon cassette

Ribbon cassette

Ribbon cassette