15 February 2006 SCANNING
6-27
Detailed
Descriptions
6.5.3 ORIGINAL SIZE DETECTION
Sensors
Original length sensor [A] and Original width sensor [B] (reflective sensors) detect
the width and length of the original on the exposure glass.
The ADF functions as the platen. The DF position sensor [C] (attached to the ADF)
detects whether the ADF is open or closed.
The APS start sensor [D] triggers auto paper size detection.
The following diagram shows the locations of the sensors.
B246D812.WMFF
A3-S
B4-S
A4-S
A5-S
A5-L
B5-L
A4-L
Length
Width
0,0 (L, W)
B246D813.WMFF
[A]
[B]
[D]
[C]
Length Sensor 4
229.5 mm, 84 mm
Length Sensor 5
Width Sensor 1
127.9 mm, 195.8 mm
Width Sensor 2
138.5 mm, 233 mm
Width Sensor 3
141.2 mm, 271.6 mm
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