Dell 5100cn Color Laser Printer - Manual (Page 179)

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 .
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.
After you output the test results, contact Dell.
Testing "Toner Pallet Check" or "Contamination Chk"
"Toner Pallet Check" and "Contamination Chk" are used to diagnose machine problems.
1. On the Customer Mode menu, go down to TonerPalletCheck or ContaminationChk, and press .
Allows you to identify the problem with the toner when print quality problems occur while printing