HP 2605 Service Manual - Page 85
Duplexing mechanism,
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Figure 4-16 Location of 250-sheet tray solenoid and printed circuit assembly 1 Paper feeder PCA 2 Paper feeder pickup solenoid 3 Paper-pickup feeder unit Duplexing mechanism The duplexing mechanism feeds paper to the reversing unit after the first side is printed, and then it returns the paper to the duplexing feed unit so that the print side of the paper is reversed for secondside printing. The duplexing driver controls the duplexing feed motor (M6) and the reverse motor (M7), which drives each feed roller of the duplexing feed unit. It also controls the reverse solenoid (SL5), which drives the duplexing deflector. The top cover can be opened to remove jams in the reverse unit. The top cover open sensor (SR7) is used for open/close detection. After clearing a jam in the duplexing mechanism, open the front door to make sure there are no jams in other areas. The paper path is shown in Figure 4-17 Duplexing paper path on page 76. The duplexing feed motor, reverse motor, solenoid, and sensor are shown in Figure 4-18 Duplexing PCA schematic on page 77 and Figure 4-19 Duplexing components on page 79. ENWW Pickup and feed system 75