Lexmark MB2236 Service Manual page 30

Action
Step 2
Make sure to remove the packing material on the toner cartridge
and imaging unit.
Does the problem remain?
Step 3
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?
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?
Step 5
Replace the imaging unit.
Does the problem remain?
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?
Diagnostics and troubleshooting
30
Yes No
Go to step 3. The problem is
solved.
Go to step 4. The problem is
solved.
Go to step 5. The problem is
solved.
Go to step 6. The problem is
solved.
Contact the next The problem is
level of support. solved.
3400-48x