Lexmark MS312dn Laser Printer User Manual

Page of 225
Printer is printing solid black pages
Action
Yes
No
Step 1
a
Reinstall the imaging unit.
1
Remove the toner cartridge, and then 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.
2
Install the imaging unit, and then the cartridge.
b
Resend the print job.
Is the printer printing solid black pages?
Go to step 2.
The problem is solved.
Step 2
Replace the imaging unit, and then resend the print job.
Is the printer printing solid black pages?
Contact 
.
The problem is solved.
Transparency print quality is poor
Action
Yes
No
Step 1
From the printer control panel, set the paper type in the Paper menu to
match the paper loaded in the tray.
Is the paper type for the tray set to Transparency?
Go to step 2.
Set the paper type to
Transparency.
Step 2
a
Check if you are using a recommended type of transparency.
b
Resend the print job.
Is the print quality still poor?
Contact 
.
The problem is solved.
Troubleshooting
195