One part magnetic toner powder including a fluoroaliphatic...

One-component development station

One-component type developer containing iron oxide, carbon...

One-component type developer including a combination of...

Opaque illumination and scanning system

Operator console for a reproduction machine

Optical alignment on vacuum plenum

Optical alignment system for an original document

Optical apparatus and reproducing machine

Optical apparatus for producing and/or using photoconductive...

Optical apparatus for projecting an image onto an object plane

Optical apparatus for selectively producing rippled message...

Optical apparatus for selectively producing rippled message...

Optical demodulation system

Optical printer head and image forming apparatus

Optical printer with character magnification

Optical recording media

Optical scanner with light quantity compensation

Optical scanning apparatus

Optical scanning device