Document Size Detection - Oki MC860 Maintenance Manual

Oki Data CONFIDENTIAL

2.3.2.4 Document size detection

Scanning in the horizontal direction is performed by irradiating light to document and the light
is detected by CCD device. In the vertical scanning direction, the beam sensor receives the
reflected light from document and the document size detection is executed.
Document size beam sensor (vertical direction) CCD (horizontal direction)
Beam sensor
Document size
(vertical direction)
A4
A4
A5
A5
B4
B5
B5
A3
: Detection
43967002TH Rev.1
CCD
(horizontal direction)
2. Theory of Operation
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