Konica Minolta bizhub C658 Service Manual page 1945

bizhub C658/C558/C458/C368/C308/C258
[6]
[1] Multi feed detection board/2 (receiver) (MFDB/2)
[3] Scanned original
[5] Multi feed detection board/1 (transmitter) (MFDB/1)
(2) Operation after double feed detection
• The following two operations are available when double feeds are detected.
The desired operation can be selected from [Switch No. 121] in [Service Mode] -> [System 2] -> [Software Switch Setting].
• Stop transporting the double feed originals at the time that the double feed is detected.
The software switch settings value is "Bit assignment 00000000 / HEX assignment 00".
• Discharge the fed originals after a double feed is detected and then stop feeding paper.
The software switch settings value is "Bit assignment 00000010 / HEX assignment 02".
(3) Double feed detection adjustment
• Sensitivity adjustment of the multi feed detection sensor is performed at the time of installing or replacing the double feed detection kit.
• Sensitivity adjustment of the multi feed detection sensor is performed from [Service Mode] -> [ADF] -> [Multi Feed DetectionAdj.].
• Tuck in the double feed detection kit (UK-501) adjustment sheet between the multi feed detection board/1 (transmitter) and the multi feed
detection board/2 (receiver), and output ultrasonic waves.
• Adjust the value that is received at the multi feed detection board/2 (receiver) within the specified range.
PA THEORY OF OPERATION DUAL SCAN DOCUMENT FEEDER/SP-501/UK-501
[1]
[2]
[5]
PA-7
(bizhub C658/C558/C458) > 3. PAPER FEED SECTION
[3]
[4]
[2] Feed roller
[4] Double feed original
[6] Ultrasonic waves