Definition of Terms
DPI - Dots Per Inch
The image resolution of the printer engine.
Double-Buffering
The embedded print controller is designed with an asynchronous connection between its Main CPU and the print engine. This allows the main CPU to rasterize pages into memory even when the print engine is busy printing pages from a previous job, or is being fed pages. This is commonly known as
E-RDH - Electronic Recirculating Document Handler
An electronic memory and processing system where each image is scanned once and stored in memory. Each image is output face down in the desired order and according to special options.
Error Diffusion
A 'dithering' or half toning system that does not use 'patterns' of dots, but places the dots in a pseudorandom distribution.
I/O - Input/Output
Refers to the Input and Output channels of the system.
OHP/OHT - Overhead Projection/Overhead Transparency
The transparency media used in the bypass.
PCL - Printer Control Language
A term introduced by Hewlett Packard in their LaserJet series of printers. This product utilizes
PostScript
A page description language designed by Adobe Systems Inc. This product utilizes Adobe PostScript Level 2.
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