Ricoh D3EV Saha Servis Kılavuzu - Sayfa 37
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Paper Size Detection
The side fences [1] can be adjusted to standard and non-standard paper sizes.
Paper size is measured with the paper width switch [3] and the paper length sensor [4].
When the side fences are moved to match the paper width, five feelers inside the paper width switch [3]
slide along the wiring patterns on the paper width switch terminal plate. The status of each feeler is
read to determine whether it is High (in contact with a pattern wire) or Low (not in contact with a wire).
The paper length sensor reading (ON or OFF) is used with the paper width reading to determine the
paper size. For more details about how the paper size is determined, see the paper size detection table
on the next page.
The paper end sensor [2] de-activates when the last sheet is fed, reports that the paper tray is empty,
and halts the job.
Paper Size Detection Table
Paper Size
Large
12" × 18"
320 × 450 mm
A3
SEF
297 × 420 mm
A4
LEF
297 × 210 mm
Paper Width Switch
1
2
3
4
H
H
H
H
H
H
H
L
2.Detailed Descriptions
Length Sensor
5
L
L
L
L
H
Area
NA
EU
33