Read Sharp MX-DE28 (serv.man2) Service Manual online
MX-DE28 OPERATIONAL DESCRIPTIONS 5 – 5
2. Paper Empty Detection
The paper empty detector (C2PED, D1PED, D2PED) checks whether there is paper in the tray when the tray is lifted and stopped at a position
where it can feed paper, as well as during paper feed operation.
where it can feed paper, as well as during paper feed operation.
3. Paper Size Detection
The size of paper contained in each tray is detected based on the
status of each of desk rear edge detectors (switches) 1 to 4 as well
as on the destination-specific settings.
status of each of desk rear edge detectors (switches) 1 to 4 as well
as on the destination-specific settings.
A/B sizes
F: ON X: OFF
Inch-based sizes
F: ON X: OFF
C2SS2
C2SS1
C2SS3
C2SS4
Rear edge detection switches
1
2
3
4
A3W
X
F
X
F
A3
X
F
F
F
B4
X
F
F
X
FC
F
F
F
X
A4R
F
X
F
X
B5R
F
X
X
F
A4
F
F
X
F
B5
F
F
X
X
Rear edge detection switches
1
2
3
4
12 x 18
X
F
X
F
11 x 17
X
F
F
F
8.5 x 14
X
F
F
X
F
F
F
X
8.5 x 11R
F
X
F
F
7.25 x 10.5R
F
X
X
F
8.5 x 11
F
F
X
X
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