Table 40. Image defects (continued) C7058-90936 Image-formation troubleshooting 203 Problem Cause Solution Gray background Print media does not meet printer specifications or is stored improperly. Print a few more pages to see if the problem corrects itself. Turn over the stack of media in the tray. Also try rotating the media 180 degrees. If the print media does not meet HP specifications, replace the paper. Printer’s operating environment does not meet specifications. Make sure the printer’s operating environment meets specifications. Wrong toner density setting. Through the software, adjust the toner density setting. Make sure EconoMode is off. Faulty toner cartridge.
Replace the toner cartridge. Toner smear Contamination in the printer. Print a few more pages to see if the problem corrects itself. Clean the inside of the printer or use the printer’s cleaning page. Paper might be too smooth. Check the paper (or other print media) type and quality. Defective toner cartridge. Replace the toner cartridge. (See instructions with the toner cartridge.) Wrong fuser setting for paper type. From the control panel, change the fuser mode setting or choose another paper type from the printer driver. Loose toner Contamination in the printer. Print a few more pages to see if the problem corrects itself. Clean the inside of the printer.
Toner cartridge is defective. Replace the toner cartridge. Paper might be too smooth. Check the paper (or other print media) type and quality. Defective fuser. Replace the fuser. Repetitive defects Contamination or defect on internal parts. Try printing additional pages. Clean the inside of the printer. Toner cartridge is damaged. See the “Repetitive defect ruler” on page 208. Replace the toner cartridge. Defective fuser. Replace the fuser.