Cassette pickup The product picks up one sheet of paper from the cassette. The following figure shows the cassette pickup mechanism. Both trays have the same mechanism. Figure 1-28 Cassette pickup mechanism DC controller M1 Drum motor Cassette pickup clutch Cassette pickup roller Feed roller Cassette separation roller The operational sequence of the cassette pickup is as follows: 1. The DC controller rotates the drum motor when it receives a print command from the formatter. 2. The feed roller rotates. 3. The cassette pickup solenoid is driven at a specified timing. 4. The cassette pickup roller rotates and picks up the top paper 5.
The cassette separation roller removes any multiple-fed sheets. 6. One sheet of paper is fed into the product. Cassette media-size detection and cassette-presence detection The DC controller determines the size of the paper loaded in the cassette and also whether the cassette is installed to the product by monitoring the cassette media width switch and the cassette media end switch. The cassette media width switch and the cassette media end switch contain three sub-switches each. The DC controller detects the size of paper and the presence of cassette according to the combination of the switches and notifies the formatter. ENWW Pickup, feed, and delivery system 35 C L