Action Yes No
Step 12
a Enter the Diagnostics menu, and then navigate to:
Input tray quick print > Tray 1 > Single
b Check if the clip in the middle of the solenoid turns when the
paper is transported.
Did the clip turn?
Go to step 14. Go to step 13.
Step 13
Reseat the deskew solenoid cable at both ends.
Does the problem remain?
Contact the next
level of support.
The problem is
solved.
Step 14
a Enter the Diagnostics menu, and then navigate to:
Printer diagnostics & adjustments > Motor tests
b Select Motor (transport drive).
Did the motor run?
Go to step 15. Go to step 16.
Step 15
a Enter the Diagnostics menu, and then navigate to:
Input tray quick print > Tray 1 > Single
b Enter the Diagnostics menu, and then navigate to:
Input tray quick print > Duplex > Single
Does the problem remain?
Go to step 16. The problem is
solved.
Step 16
a Make sure that the main drive is properly installed and free of
damage.
b Make sure that the main drive gears are properly installed.
c Make sure that the drive gears are in proper contact with the
gear they are driving.
Does the problem remain?
Go to step 17. The problem is
solved.
Step 17
Replace the main drive. See
“Main drive removal” on page 234.
Does the problem remain?
Go to step 18. The problem is
solved.
Step 18
a Reseat all the cables on the controller board.
b Check if the controller board LED lights up.
c Check the controller board for proper installation and damage.
Is the controller board properly installed and free of damage?
Contact the next
level of support.
Go to step 19.
3400-48x
Diagnostics and troubleshooting
109
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