HP 4500 HP Color LaserJet 4500, 4500 N, 4500 DN Printer - User Guide, C4084-90 - Page 162

Uneven dark areas or lines in solid fill areas on transparencies Problem Solution You are using transparencies that do not meet Use only transparencies that meet the media the media specifications for this printer. specifications for this printer. See the Printing on Transparencies section of chapter 3 The imaging drum has exceeded its useful life. Print out a configuration page to verify the remaining life of the imaging drum. If the printer control panel displays DRUM KIT OUT REPLACE DRUM KIT, replace the imaging drum. . Repetitive defects Problem Solution Unwanted marks of the same size and shape appear in the same vertical area on most pages. Print out a configuration page to verify the remaining life of the imaging drum. If the printer control panel displays DRUM KIT OUT REPLACE DRUM KIT, replace the imaging drum. Unwanted marks of the same size The fuser roller is damaged or the and shape appear more than once fuser is beyond its useful life. Print in the same vertical area on out a configuration page to verify the transparencies or glossy media only. remaining life of the fuser. If the printer control panel displays FUSER LIFE OUT REPLACE KIT, replace the fuser. Repetitive defects appear only in one color. Check the corresponding toner cartridge. 162 Solving Problems with the Printer EN