Konica Minolta bizhub 4020 Service Manual page 305

bizhub 4020/3320 Service Manual
6. Remove the duplex. See Duplex removal.
7. Disconnect the cable JDUPPI1 from the controller board.
8. Remove the two screws (A), and cut the cable near the frame to detach the sensors.
9. Remove the other half of the cable from the printer.
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