LVPS service check
Action Yes No
Step 1
a Remove the imaging unit and toner cartridge, and then make
sure that the paper path is free of jams and obstructions.
b Clear all rollers of dirt and contamination.
Does the problem remain?
Go to step 2. The problem is
solved.
Step 2
a Perform a POR.
b Enter the Diagnostics menu, and then navigate to:
Input tray quick print > Tray 1 > Single
Does the problem remain?
Go to step 3. The problem is
solved.
Step 3
a Reseat the cables connected to the LVPS.
b Check the cables for proper connection and damage.
c Check the fuse for continuity.
d Check the electronic components on the LVPS for damage.
e Check the LVPS for proper installation and damage.
Is the LVPS properly installed and free of damage?
Go to step 6. Go to step 4.
Step 4
a Make sure that the LVPS is compatible with the fuser and the
printer.
b Make sure that there is voltage going out from the fuser
connector.
c Make sure that the correct power input voltage is applied.
Does the problem remain?
Go to step 5. The problem is
solved.
Step 5
Replace the LVPS. See
“LVPS removal” on page 230.
Does the problem remain?
Go to step 6. The problem is
solved.
Step 6
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 7.
3400-48x
Diagnostics and troubleshooting
148
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