Multi-beam exposure unit

Multi-beam exposure unit

Multi-beam exposure unit

Multi-beam exposure unit

Multi-beam exposure unit

Multi-beam exposure unit

Multi-beam exposure unit

Multi-beam exposure unit

Multi-beam exposure unit

Multi-beam generating element and optical printing apparatus the

Multi-beam laser exposer unit

Multi-beam laser exposer unit

Multi-beam laser exposer unit

Multi-beam laser exposure unit having anamorphic lens comprising

Multi-beam light scanning optical system and image forming...

Multi-beam light source device and optical scanning apparatus us

Multi-beam light source unit, optical scanning device, image...

Multi-beam optical scanner

Multi-beam optical scanner

Multi-beam optical scanning apparatus and image forming...