Konica Minolta A00F011 Service Manual - Page 108
OHP transparencies detection control
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magicolor 4650EN magicolor 4650DN Theory of operation Ver. 1.0 Nov. 2007 19. Conveyance section (Registration roller) 19.3.5 OHP transparencies detection control • To prevent incorrect prints on OHP transparencies, the type of the media being conveyed is detected by the OHP sensor. • The OHP detection is made after the loop has been formed in the media before the registration roller. • If the output voltage of the OHP sensor is less than a predetermined value, the main body considers that the media is a type other than OHP transparencies. If the output voltage is the predetermined value or more, the main body determines that the media is OHP transparencies. Registration roller Prism Sensor output LED Remote Sensor Prism 4138to2103c1 OHP sensor (PS7) 4138to2583e0 Composition/Operation 73