Phaser 7500 Printer Service Manual 2-29
Theory of Operation
Major Assemblies and Functions
Exposure (LPH)
The following illustration contains the main functional parts of the printer.
LPH Unit (PL2.1.2)
An exposure device that is used to form electrostatic latent images on the Drum
surface. One is allocated to each color - Yellow, Magenta, Cyan, and Black.
LPH Rear PWB (PL2.2.5)
The LPH Rear PWB acts as a relay between the MCU PWB and the LPH Unit.
s7500-366LPH Unit
LPH Rear PWB
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