Xerox FaxCentre 2121 - GP 13 ROS Unit

General Procedures and Information
FaxCentre 2121/2121L 11/06 6-51
GP 13 ROS Unit
Construction
• The laser beam light emitted from the print head is used to scan the image as driven by the
polygon motor.
Figure 1
Laser Exposure Process
• The laser beam light emitted from the ROS is used to create an electrostatic latent image on
the surface of the drum.
• The following control is provided to correctly time image printing: