A method of and apparatus for controlling a transfer voltage based on a paper specific resistance in a laser beam printer is provided. In the transfer voltage controlling method, the resistance of the feed rollers is detected as a first resistance before a paper sheet passes between the feed rollers....http://www.google.es/patents/US6111594?utm_source=gb-gplus-sharePatente US6111594 - Method of and apparatus for controlling transfer voltage based on specific resistance of paper in laser beam printer
Method of and apparatus for controlling transfer voltage based on specific ...
