Operation; Size Detection Control - Konica Minolta DF-606 Service Manual

Theory of Operation Ver1.0 Jun.2005 4. PAPER FEED SECTION
4.2

Operation

4.2.1

Size detection control

A. Plain original mode
(1) Size detection in the main scan direction
The size detection of originals in the main scan direction is made according to the position of the guide plate
connected to the original size VR (VR301) on the original feed tray.
(2) Size detection in the sub scan direction
The size detection of originals in the sub scan direction is made according to the ON/OFF combination of the
original size sensor /Rt (PS302) and the original size sensor /Lt (PS303) provided on the original feed tray.
B. Mixed original mode
(1) Size detection in the main scan direction
This is the same as the detection method in the plain original mode.
(2) Size detection in the sub scan direction
The conveyance roller [3] rotates in the forward direction to convey the original to the paper exit tray (for large
size) [2]. The conveyance roller stops rotation a specified period of time after the original registration sensor
(PS306) [1] detects the trailing edge of the original. At this time, depending on the ON time period of the PS306,
the sub scan direction and the size of the original are detected.
[1]
[2]
[3]
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