Olivetti d-Color MF920 - Dark Lines; Gray Background; Incorrect Margins

Dark lines
The imaging kit may be defective.
If Black and color imaging kit life warning orBlack imaging kit life warning appears,
replace the imaging kit.
Gray background
CHECK THE TONER DARKNESS SETTING
Select a lighter Toner Darkness setting:
• From the printer control panel, change the setting from the Quality menu.
• For Windows users, change the setting from Print Properties.
• For Macintosh users, change the setting from the Print dialog.
Incorrect margins
These are possible solutions. Try one or more of the following:
CHECK THE PAPER GUIDES
Move the guides in the tray to the correct positions for the paper size loaded.
Troubleshooting
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