Dell 5110cn Color Laser Printer Service Manual - Page 145

P7 "Background or Foggy Print" Chapter 1 Troubleshooting Trouble substance There is toner stain all over or a part of the page. The stain appears as very bright gray or color stain. ABCDEabcde12345 Possible causative parts - BTR ASSY (PL5.1.4) - PHD ASSY (PL6.1.1) - DEVE ASSY (Y) (PL7.1.17) - DEVE ASSY (M) (PL7.1.18) - DEVE ASSY (C) (PL7.1.19) - DEVE ASSY (K) (PL7.1.20) Before commencing troubleshooting, check the paper transfer path. Make sure there is no foreign materials on the transfer path, such as the staple, paper clip, scraps of paper and so on. Work before troubleshooting Print the 10 sheets by the [Test Print]-[Gradation [ESS]] of Diagnosis. Clean the HOLDER ASSY ADC. Checking the background Print the Windows test page. Yes Is the image printed No correctly? END Checking after cleaning the PHD ASSY The PHD ASSY cleaning cycle starts after the Front Door is opened and closed three times. After you have opened and closed the Front Door one time, make sure that [Ready] is displayed on the LCD on the control panel before you proceed to the next open/close. Print the windows test page. Yes Is the image printed No correctly? A B 1 - 128