Service manual

ENWW Chapter 7 Troubleshooting 213
Gray background The print media does not meet printer specifications
or is stored incorrectly.
● 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 media, and advise
the customer to use the recommended print
media and to store it correctly.
The printer’s operating environment does not meet
specifications.
● Make sure the printer’s operating environment
meets specifications.
The wrong toner density setting is in use.
● Through the software, adjust the toner density
setting. Make sure EconoMode is off.
The print cartridge is defective.
● Replace the print cartridge.
Toner smear The printer interior is dirty.
● Print a few more pages to see if the problem
corrects itself.
● Clean the inside of the printer or use the printer
cleaning page.
The print media might be too smooth.
● Check the print media type and quality.
The print cartridge is defective.
● Replace the print cartridge.
The fuser setting is incorrect for the paper type.
● At the control panel, change the fuser mode
setting or choose another paper type in the
printer driver.
Loose toner The printer interior is dirty.
● Print a few more pages to see if the problem
corrects itself.
● Clean the inside of the printer, or use the printer
cleaning page.
The print cartridge is defective.
● Replace the print cartridge.
The print media might be too smooth.
● Check the print media type and quality.
The fuser is defective.
● Replace the fuser.
The fuser setting is incorrect for the paper type.
● At the control panel, change the fuser mode
setting or choose another paper type in the
printer driver.
Repetitive defects The internal parts are dirty or defective.
● Print a few more pages to see if the problem
corrects itself.
● Clean the inside of the printer or use the printer
cleaning page.
The print cartridge is damaged.
● See the “Repetitive defect ruler” on page 227.
● Replace the print cartridge.
The fuser is defective.
● Replace the fuser.
Table 24. Image defects (continued)
Problem Cause Solution