Lexmark MB2236 - Page 48

Action Yes No
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?
Go to step 4. The problem is
solved.
Step 4
Measure the distance between the horizontal defects.
Is the distance equal to 75.4 mm or 34.7 mm?
Go to step 5. Go to step 6.
Step 5
Replace the imaging unit.
Does the problem remain?
Go to step 6. The problem is
solved.
Step 6
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 7. The problem is
solved.
Step 7
Replace the imaging unit.
Does the problem remain?
Go to step 8. The problem is
solved.
Step 8
Measure the distance between the horizontal defects.
Is the distance equal to 44.6 mm, 28.3 mm, or 39.3 mm?
Go to step 9. Go to step 10.
Step 9
Replace the toner cartridge.
Does the problem remain?
Go to step 10. The problem is
solved.
3400-48x
Diagnostics and troubleshooting
48