Action Yes No
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?
Go to step 6. Replace the input
sensor. See
“Duplex
sensor and input
sensor removal” on
page 325.
Step 6
Check the controller board for any damage.
Is it free of damage?
Go to step 7. Replace the
controller board. See
“Controller board
removal” on
page 282.
Step 7
Does the error remain?
Contact the next
level of support.
The problem is
solved.
Main drive motor control jam service check
Action Yes No
Step 1
a Remove the main drive gearbox.
b Check the main drive gearbox cable for proper connection.
Is it properly connected?
Go to step 2. Reseat the cable.
Step 2
a Remove the main drive gearbox.
b Check the gears of main drive gearbox for wear or damage.
Are they free of wear or damage?
Go to step 3. Replace the main
drive gearbox. See
“Main drive gearbox
removal” on
page 266.
Step 3
Check the main drive motor for proper operation:
a Remove the main drive gearbox.
Note: Do not disconnect the main drive gearbox cable.
b POR into the Diagnostics menu and perform a feed test:
Diagnostics menu > Input Tray Tests > Feed Test >
Select any input source
c Check if the main drive motor rotates when doing the feed test.
Does it rotate when doing the feed test?
Go to step 4. Replace the main
drive gearbox. See
“Main drive gearbox
removal” on
page 266.
Step 4
Check the fuser gear for damage or toner contamination.
Is it free of damage and contamination?
Replace the
controller board. See
“Controller board
removal” on
page 282.
Replace the fuser.
See
“Fuser
removal” on
page 346.
7016
Diagnostic information
78
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