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Note: Before solving the problem, print the Print Quality Test Pages. From the control panel,
navigate to Settings > Troubleshooting > Print Quality Test Pages. For non-touch-screen
printer models, press
to navigate through the settings.
Action Yes No
Step 1
1 Turn off the printer, wait for 10
seconds, and then turn on the
printer.
2 Decrease toner darkness.
From the control panel,
navigate to:
Settings > Print > Quality >
Toner Darkness
3 Print the document.
Does gray background appear on
prints?
Go to step 2. The problem is solved.
Step 2
1 Check if the printer is using a
genuine and supported Xerox
toner cartridge.
If the toner cartridge is not
supported, then install a
supported one.
2 Print the document.
Does gray background appear on
prints?
Go to step 3. The problem is solved.
Step 3
1 Depending on your operating
system, specify the paper type
from the Printing Preferences
or Print dialog.
Go to step 4. The problem is solved.
Xerox
®
B310 Printer
User Guide
121
Troubleshoot a Problem
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