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Chapter 2
2.5.4 Duplex Feeding
2.5.4.1 Outline
0015-7760
LBP5100
The duplexing mechanism of this printer is to feed paper to the reversing unit once after the one side is printed and then to return it to the duplexing feed unit. So
that the paper is reversed to ready for the other side printing.
The duplexing driver controls two motors; duplexing feed motor (M6) and reverse motor (M7), to drive each feed roller of the duplexing feed unit. It also controls
the reverse solenoid (SL5) to drive the duplexing deflector.
The top cover is openable and closeable for removing paper jams occurred in the reverse unit. Therefore the top cover open sensor (SR7) is utilized for the top cover
open/close detection.
Reversing unit
Duplexing feed unit
F-2-31
2-28
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