Abstract: Disclosed herein are methods and systems for improving print quality. In one embodiment, a method of optimizing printer output quality is provided which includes identifying media in at least one media tray, querying a media database for a record corresponding to the identified media, extracting data from a record of identified media, adjusting printer operation based upon the extracted data, and printing on the identified media, wherein the printer operation is adjusted on a page-by-page basis within a single print job. Typical parameters which are adjusted during the print job are the transfer voltages and the volume of toner deposition. In another embodiment, media is assigned to groups based upon its color and print parameters are adjusted as different colors of media are used.

Abstract: A toner of toner particles containing at least one binder, at least one colorant, and preferably one or more external additives is advantageously formed into a developer and used in a magnetic brush development system to achieve consistent, high quality copy images. The toner particles, following triboelectric contact with carrier particles, exhibit a charge per particle diameter (Q/D) of from 0.6 to 0.9 fC/&mgr;m and a triboelectric charge of from 20 to 25 &mgr;C/g. The toner particles preferably have an average particle diameter of from 7.8 to 8.3 microns. The toner is combined with carrier particles to achieve a developer, the carrier particles preferably having an average diameter of from 45 to 55 microns and including a core of ferrite substantially free of copper and zinc coated with a coating comprising a polyvinylidenefluoride polymer or copolymer and a polymethyl methacrylate polymer or copolymer.