Lexmark MB2236 Service Manual page 37

Action
Step 4
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?
Step 5
Adjust the toner darkness.
Does the problem remain?
Step 6
a
Make sure that the toner cartridge 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 developer roller surface is free of damage.
d
Make sure that the toner 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 7
Replace the toner cartridge.
Does the problem remain?
Step 8
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?
Diagnostics and troubleshooting
37
Yes No
Go to step 5. The problem is
solved.
Go to step 6. The problem is
solved.
Go to step 7. The problem is
solved.
Go to step 8. The problem is
solved.
Go to step 9. The problem is
solved.
3400-48x