Phaser 4500/4510 Service Manual 2-11
Theory of Operation
Major Assemblies and Functions
The functions of the main components of the Phaser 4500/4510 printer are
described in the following sections:
■ Paper tray
■ Paper feeder
■ Print cartridge
■ Transfer roller assembly
■ Laser assembly
■ Fuser
■ 500-sheet paper exit
■ Drive
■ Electrical
Paper Tray
Paper trays include the 150-sheet and 550-sheet trays. Since they are
functionally equivalent, only the 150-sheet tray is described here.
The trays adjust to accept various paper sizes. The end and side guides
adjust to match paper sizes shorter than A4, or narrower than Letter. To
accept paper longer than A4, the tray extension must be unlocked and pulled
out, and the end and side guides adjusted to match the size.
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