
Please check the following points:
Step 1:
- Check that you use the paper that meets our specification.
Please refer to "What is the recommended paper?".
- Check that the drum units and toner cartridges are installed properly.
Please refer to the instructions, "How do I replace a drum unit?" and "How do I replace the toner cartridge?".
If you still have a print quality problem, please go to the Step 2.
Step 2:
- Make sure that two gray levers inside the back cover, one on the left-hand side and one on the right-hand side, are in the up position.

- Make sure that the media type settings in the printer driver and in the machine's Paper Type menu matches the type of paper you are using.
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Choose Improve Toner Fixing mode in the printer driver as follows.
If this selection does not provide enough improvement, select Thicker paper in Media Type settings.
NOTE: Illustrations shown below may vary depending on your Operating System (OS).
For Windows® printer driver:
- Open the Printing Preferences dialog box and click Advanced tab.
- Click on Other Print Options.
- Select "Improve Print Output" for Printer Function and select "Improve Toner Fixing" for Improve Print Output.
Click on OK.

For Windows® BR-Script printer driver:
- Open the Printing Preferences dialog box and click on Advanced.
- Select "Improve Toner Fixing" for Improve Print Output.
Click on OK.

For Macintosh® printer driver:
- Open Print dialog. (Click here to see the details of how to open Print dialog.)
- Click Advanced tab in the Print Settings list.
- Click on Improve Print Output.
- Select "Improve Toner Fixing" for Improve Print Output.
Click on OK.

For Macintosh® BR-Script printer driver:
[ Mac OS® X 10.3.9 or 10.4 ]
- Open Print dialog. (Click here to see the details of how to open Print dialog.)
- Select "Set 3" for Feature Sets in the Printer Features list.
- Select "Improve Toner Fixing" for Improve Print Output.

[ Mac OS® X 10.5 or later users ]
- Open Print dialog. (Click here to see the details of how to open Print dialog.)
- Select "General 2" for Feature Sets in the Printer Features list.
- Select "Improve Toner Fixing" for Improve Print Output.
