Konica Minolta Bizhub 4700P Service Manual page 52

Action
Step 3
Check the input sensor cable for proper connection.
Is it properly connected?
Step 4
POR into the Diagnostics menu and perform a feed
test:
Diagnostics Menu >Input Tray Tests >Feed
Tests >Tray 1
Does it pass the test?
Step 5
POR into the Diagnostics menu and perform a sensor
test:
Diagnostics Menu >Base Sensor Test >Input
Does the sensor state on the control panel display
change when it is toggled?
Step 6
Check the controller board for any damage.
Is it free of damage?
Step 7
Does the error remain?
bizhub 4700P/bizhub 4000P Service Manual
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Yes
Go to step 4.
Go to step 5.
Go to step 6.
Go to step 7.
Contact the next level of
support.
No
Reseat the cable.
Replace the LSU. See
Laser scanning unit
(LSU) removal.
Replace the input sensor.
See Duplex sensor and
input sensor removal.
Replace the controller
board. See Controller
board removals.
The problem is solved.