EDNord QMS 4060, Manual

Page: 257 / 340

Print Quality
Problems
9-35 Troubleshooting Printer Problems
Troubleshooting Background Printing
The page contains specks of toner in patterns in the white areas of
the page.
Follow this check list to troubleshoot this image defect. After each
action try a test page to see if you solved your problem.
n
Check the toner recycle switch. Set it to OFF and install waste
toner bottle. See “Enabling Toner Recycling Mode” on page 9-31
for information.
n
Check the Toner Density setting in the Administration/Engine/
Toner Density configuration menu.
n
Check consumables to see if they have reached end of life. If so,
then replace. See chapter 2, “Consumables,” for information.
n
Clean the precharger. See chapter 2, “Consumables,” for infor-
mation.
n
Clean the transfer charger. See chapter 2, “Consumables,” for
information.
n
Clean all of the paper feed paths in the printer, around the drum
and the developer unit.
n
Print 10 pages for a test.
n
Replace the developer. See chapter 2,“Consumables,” for infor-
mation.
n
Replace the drum unit. See chapter 2, “Consumables,” for infor-
mation.
If you have tried these actions and your print quality is still not satis-
factory, see “Placing a Service Call” on page 9-68.
EDNord - Istedgade 37A - 9000 Aalborg - telefon 96333500