Lexmark ST9822 User Manual page 187

Troubleshooting
Action
Step 1
a
Check if the printer is using a genuine and supported toner
cartridge.
Note: If the cartridge is not supported, then install a
supported one.
b
Print the document.
Is the printer printing blank or white pages?
Step 2
a
Remove any packing material that is left on the imaging unit.
1
Remove the toner cartridge, and then remove the imaging
unit.
Warning—Potential Damage: Do not expose the imaging
unit to direct light for more than 10 minutes. Extended
exposure to light may cause print quality problems.
Warning—Potential Damage: Do not touch the
photoconductor drum under the imaging unit. Doing so
may affect the quality of future print jobs.
2
Check the imaging unit for signs of damage, and replace if
necessary.
Note: Make sure that the photoconductor drum contact is
not bent or out of place.
3
Firmly shake the imaging unit to redistribute the toner.
4
Insert the imaging unit, and then insert the toner cartridge.
b
Print the document.
Is the printer printing blank or white pages?
Step 3
Check the status of the toner cartridge, and replace if necessary.
a
From the control panel, navigate to:
Status/Supplies > Supplies
b
Print the document.
Is the printer printing blank or white pages?
Dark print
Yes No
Go to step 2. The problem is
solved.
Go to step 3. The problem is
solved.
Contact customer The problem is
support. solved.
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