HP Color LaserJet Professional CP5220 Service Manual - Page 73
Paper-feeder paper pickup and feed, Paper-feeder cassette lift operation,
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Paper-feeder paper pickup and feed The pickup-and-feed operation picks up one sheet of print media in the paper-feeder cassette and feeds it to the product. Figure 1-48 Paper-feeder electrical components SR1 SW3 SW2 SR2 SR3 SW1 SL1 Table 1-8 Paper-feeder electrical components Component type Abbreviation Motor M1 M2 Solenoid SL01 Photointerruptor (sensor) SR1 SR2 SR3 Switch SW1 SW2 SW3 M2 M1 Description PF pickup motor PF lifter motor PF pickup solenoid PF paper-feed sensor PF paper-stack surface sensor PF cassette paper-presence sensor PF door-open switch PF cassette paper end-plate position switch PF cassette paper-width switch Paper-feeder cassette lift operation The cassette lift-up operation keeps the surface of the paper stack at the pickup position whenever the following occurs: ● Product is turned on ● Cassette is inserted ● Stack surface in the cassette lowers ENWW Paper feeder 61