HP Color LaserJet CM4730 Multifunction Printer series - Manual (Page 288)

Color fade in one color
Defect description
One color is faded in one or more locations on the page.
Possible causes
The device needs to be calibrated. Operating environment or media in use does not meet HP
specifications.
Troubleshooting and suggestions
1. Make sure that the environmental specifications for the device are being met.
2. Calibrate the MFP.
3. Print the Print Quality Troubleshooting Pages and follow the diagnostic procedure listed on the first
page to help isolate the defect to a particular component.
272 Chapter 16 Problem solving ENWW