Specifications

Principles of Operation Function of Major Components - 31
Drive and Xerographic
For full description of the components in this section, see the “Print Image Creation” topic.
Laser/Scanner Assembly
The laser/scanner assembly includes the laser diode, scanner, lenses, and mirrors.
Note : The laser/scanner assembly is a precision optical system. Never open the
cover. Touching the parts may result in permanent damage to the components.
Mirror Assembly
The mirror assembly includes the start-of-scan sensor (SOS) and the stationary mirror
that reflects the beam from the scanner mirror onto the photosensitive drum.
Toner Cartridge
The toner cartridge consists of a photosensitive drum and a toner container integrated into
one unit. It includes the following major components.
Photosensitive Drum
Bias Charge Roller (BCR)
Attraction Roller
Charging and Metering Blade (CMB)
Cleaning Blade
Laser Shutter
Transfer Roller