After moving the printer, printing on thick paper, or printing repeatedly for some time, image degradation may occur. By performing automatic image adjustment, you can restore optimum print quality.
Press [Adjust Image Density] on the [Maintenance: Image] screen.
For details about how to access the [Maintenance: Image] screen, see Displaying the Printer Configuration Screens Using the Control Panel.
Press [] to switch the screen.
Press [Lighter] or [Darker] adjust the image density, and then press [OK].
Enter a value between -3 and 3.
Press the [User Tools] key.