| Cause | Solution | Reference | 
|---|---|---|
| The toner is low. | If "Toner Low" or "Toner Empty. Replace with new Toner Cartridge." appears, replace the toner cartridge. | |
| The setting of [Black Finish] is not suitable for the application. | On the printer driver, select [Composite Black (CMYK)] of [True Black (K)] for [Black Finish]. | |
| The color adjustment has been modified. | Do color matching from the printer driver. | |
| The color balance is out of adjustment. | On the touch panel, press [Device Settings] > [Admin Setup] > [Print Setup] > [Color Setup], and adjust density or color balance. | |
| Color registration is out of alignment. | Open and close the output tray. Or, on the touch panel, press [Device Settings] > [Admin Setup] > [Print Setup] > [Color Setup], and then [Adjust Registration]. | 

