Action Yes No
Step 4
a Make sure that the imaging unit is properly installed and free
of damage.
b Make sure that the smart chip contacts are free of corrosion
and contamination.
c Make sure that the photoconductor roller surface is free of
damage.
d Make sure that the imaging unit HVPS contacts are free of
corrosion and contamination.
e Enter the Diagnostics menu, and then select Advanced Print
Quality Samples.
Does the problem remain?
Go to step 5. The problem is
solved.
Step 5
Replace the imaging unit.
Does the problem remain?
Go to step 6. The problem is
solved.
Step 6
a Check the imaging unit contact spring for damage and
contamination.
b Make sure that the imaging unit contact spring is in proper
contact with the HVPS.
Is the imaging unit contact spring properly installed, and free of
damage and contamination?
Contact the next
level of support.
The problem is
solved.
Step 7
a Make sure that the transfer roller is properly installed and free
of damage and contamination.
b Make sure that the HVPS contact spring is properly connected
to the transfer roller.
c Make sure that the transfer roller spring is properly installed.
d Enter the Diagnostics menu, and then select Advanced Print
Quality Samples.
Does the problem remain?
Go to step 8. The problem is
solved.
Step 8
a Reseat the transfer roller.
b Enter the Diagnostics menu, and then select Advanced Print
Quality Samples.
Does the problem remain?
Go to step 9. The problem is
solved.
3400-48x
Diagnostics and troubleshooting
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