Figure 1-473 x 500-sheet optional paper feeder

PD feed roller

PD pickup roller

PD separation roller

Figure 1-48Signals for the paper feeder

 

+3.3V

 

DC controller

+24V

Paper deck

 

controller

 

 

Paper deck

Motor

Solenoid

Photointerrupter

Switch

The input trays contain several motors, solenoids, sensors, and switches, as described in the following table.

58 Chapter 1 Theory of operation

ENWW

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HP Enterprise CC490A manual 473 x 500-sheet optional paper feeder