Original Size Detection Control - Konica Minolta bizhub C250 Service Manual

Theory of operation ver. 3.0 Aug. 2006
7.3.2

Original size detection control

A. Detection method
• For detection of the original size, the reflective size sensors detect the length of the orig-
inal while the CCD detects the width of the original.
• Mounting the optional sensor on a machine intended for the metric areas permits detec-
tion of inch sizes. Mounting the optional sensor on a machine intended for the inch areas
permits detection of metric sizes.
Exposure unit CCD unit
• With RGB image processing board (PWB-C), the original size will be judged by the origi-
nal size sensor and CCD.
• An original of an irregular size is rounded to the nearest standard size.
4038T2C103AA
Original standard position
7. Scanner section (IR section)
Automatic document feeder
Original cover angle sensor (PC202)
346.1 mm
313.5 mm
Original read
position (30 mm)
Original Size
detection
sensor /1 (PC203)
Original size
detection sensor
/2 (PC204) option
Exposure unit
20 degrees
4037T2E597AA
21