Utax CLP 3521, Service Manual, Page: 136 / 187

2HL/2HM/2HN
2-1-1
2-1 Mechanical Construction
2-1-1 Paper feed/conveying section
Paper feed/conveying section consists of the paper feed unit that feeds paper from the cassette and the MP tray paper
feed unit that feeds paper from the MP tray, and the paper conveying section that conveys the fed paper to the transfer/
separation section.
(1) Cassette paper feed section
The cassette can contain 500/250 sheets. The sheet from the cassette is pulled out by rotation of the pickup roller and
sent to the paper conveying section by rotation of the paper feed roller. Also the retard roller prevents multiple feeding of
paper.
Figure 2-1-1 Cassette paper feed section
1
11
7
6
8
4
5
2
3
13
9 10 12
21/23 ppm (500-sheet) model
26/28 ppm (500-sheet) model
11
7
6
4
5
9 10
21/23 ppm (250-sheet) model
2
3
1
(1) Pickup roller
(2) Paper feed roller
(3) Paper feed holder
(4) Retard roller
(5) Retard holder
(6) Cassette base
(7) Bottom plate
(8) Lift work plate
(9) Paper sensor 1
(10) Paper sensor 2
(11) Actuator (paper sensor 1, 2)
(12) Lift limit sensor
(13) Actuator (lift limit sensor)