Sensors; Original Size Detection - Ricoh B064 Service Manual

6.5.3 ORIGINAL SIZE DETECTION

Sensors

[B]
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.
Width
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
SM
SCANNING (B140 SERIES/B064 SERIES ONLY)
0,0 (L, W)
Length
A5-L
B5-L
A4-L
6-27
[A]
B140D920.WMF
Length Sensor 4
229.5 mm, 84 mm
A5-S
A4-S
B4-S
A3-S
B140D921.WMF
B064 Series/B140 Series/G126
[C]
[D]
Length Sensor 5