Dell 3010cn Color Laser Printer - Manual (Page 115)

Troubleshooting Instructions
Use the Customer Mode to locate the unit in the printer that causes a problem.
Diagnostic Menu Map (Customer Mode)
1. Turn off the printer.
2. Turn on the printer while holding down and .
The Customer Mode menu appears.
Testing "Print Quality"
"Print Quality" is used to diagnose print quality defects.
1. On the Customer Mode menu, go down to Cyan20%, Magenta20%, Yellow20%, or Black20% and press .
After you output the test results, contact Dell.
Panel Lock Specifies whether to limit access to the menus.
Change Password Sets a password to limit access to the menus.
Re-enter Password Type the new password again to confirm.
NOTE: This menu sets a password to lock the operator panel. When changing the password for the Dell Printer Configuration Web Tool, click Set
Password on the left frame and set the password.
Cyan20%
Outputs cyan toner at 20% density on the whole area of the paper.
Magenta20%
Outputs magenta toner at 20% density on the whole area of the paper.
Yellow20%
Outputs yellow toner at 20% density on the whole area of the paper.
Black20%
Outputs black toner at 20% density on the whole area of the paper.