500-sheet paper feeder cassette pickup The paper feeder picks up one sheet of paper from the cassette. Figure 1-42 500-sheet paper feeder pickup and feed cassette pickup PF controller M1 PF cassette pickup motor 2 1 PF cassette feed roller Cassette pickup arm 1. Cassette pickup cam rotates 2. Cassette pickup arm lowers PF cassette pickup solenoid PF cassette pickup roller PF cassette separation roller 3 Cassette pickup cam Lifting plate 3. PF cassette pickup roller picks up the paper The operational sequence of the cassette pickup is as follows: 1. The paper feeder controller rotates the PF cassette pickup motor when it receives a print command from the formatter. 2.
The PF cassette pickup roller, PF cassette feed roller and PF cassette separation roller rotate. 3. The PF cassette pickup solenoid is driven at a specified timing. 4. The cassette pickup cam rotates. 5. The cassette pickup arm lowers and the PF cassette pickup roller picks up the top paper. 6. The PF cassette separation roller removes any multiple-fed sheets. 7. One sheet of paper is fed into the product.
500-sheet paper feeder cassette media-size detection and cassette-presence detection The paper feeder controller determines the size of paper loaded in the cassette and also whether the cassette is installed to the paper feeder by monitoring the PF cassette media width switch and the PF cassette media end switch. The PF cassette media width switch and the PF cassette media end switch contain three sub-switches each. The paper feeder controller detects the size of paper and the presence of cassette according to the combination of the sub-switches and notifies the formatter. ENWW 500-sheet paper feeder (Tray 4) 53 SL 1