Abstract: Systems and methods are provided for controlling substrate flatness for sensor measurements in printing device. A flow of air may be provided from a blower to a plenum. A printed sheet of media may be transported between upper and lower transport baffles that are generally spaced apart to permit the sheet of media to pass. Located on one of transport baffles may be a sensor to measure a property of the printed sheet. Air from the plenum is provided to the back surface of the sheet to urge it toward the sensor.

Abstract: Systems and methods are provided for controlling substrate flatness for sensor measurements in printing device. A flow of air may be provided from a blower to a plenum. A printed sheet of media may be transported between upper and lower transport baffles that are generally spaced apart to permit the sheet of media to pass. Located on one of transport baffles may be a sensor to measure a property of the printed sheet. Air from the plenum is provided to the back surface of the sheet to urge it toward the sensor.

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.