Action Yes No
Step 23
a Make sure that the printhead cables are properly connected.
b Check the printhead for proper installation and damage.
Is the printhead properly installed and free of damage?
Contact the next
level of support.
Go to step 24.
Step 24
Replace the printhead. See
“Printhead removal” on page 251.
Does the problem remain?
Contact the next
level of support.
The problem is
solved.
Skewed print check
Action Yes No
Step 1
a Clear the paper path of debris and contamination.
b Remove, and then insert the imaging unit and toner cartridge.
Note: Shake the toner cartridge and imaging unit before
inserting them.
c Perform a POR.
d Enter the Diagnostics menu, and then select Advanced Print
Quality Samples.
Does the problem remain?
Go to step 2. The problem is
solved.
Step 2
a Make sure that the paper type is supported.
b Make sure that the paper type and size settings match the
paper type and size set on the tray.
c Make sure that the paper has no damage or defects.
d Make sure that the paper tray guides are properly set.
e Make sure that the paper size setting in the duplex unit is
properly set.
Does the problem remain?
Go to step 3. The problem is
solved.
3400-48x
Diagnostics and troubleshooting
51
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