Transfer
Transfer roll
Transfer roll assembly
The transfer roll assembly applies charge to the rear surface of the media when the media passes between
the transfer roll assembly and photo conductor (drum). Thus, the toner image is transferred from the photo
conductor (drum) surface to the media surface.
Polygon printhead assembly
The printhead scans the photo conductor drum surface with a laser beam. It consists of four components: laser
diode (LD) card assembly, printhead motor, polygon mirror, and the start of scan card assembly.
7462
Appendix C: Theory of operation
657
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