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Action
Step 2
a
Remove the rear cover.
b
Make sure that the sensor (3000-sheet tray set) is properly installed.
c
Make sure that the sensor is free of debris or dust.
d
Reseat the cable on the sensor and the cable CN5 on the controller
board.
e
Check the sensor for damage.
Is it free of damage?
Step 3
Enter the Diagnostics menu, and then navigate to:
SENSOR TESTS > 3000‑Sheet Tray Sensor Tests > Tray set
Does the sensor status change while toggling the sensor?
Step 4
Replace the sensor. See
"Sensor (3000-sheet tray set) removal" on
page
516.
Does the problem remain?
Step 5
a
Reseat the cable on the rest of the sensors.
b
Reseat the cable CN5 on the controller board.
c
If necessary, reseat all the junction connectors on the cables.
d
Make sure that the cables do not block the path of moving parts.
e
Check the cables for damage, and replace if necessary.
Does the problem remain?
Step 6
a
Reseat the cable on all of the motors and on the top door switch.
b
Reseat the cables CN3 and CN4 on the controller board.
c
If necessary, reseat all the junction connectors on the cables.
d
Make sure that the cables do not block the path of moving parts.
e
Check the cables for damage, and replace if necessary.
Does the problem remain?
Yes
Go to step 3.
Go to step 5.
Go to step 5.
Go to step 6.
Contact the next level
of support.
Diagnostic information
92
7421
No
Go to step 4.
Go to step 4.
The problem is solved.
The problem is solved.
The problem is solved.
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