6-24
Maintenance
Print Quality Problems
The tables and diagrams in the following sections define print quality problems and the corrective
action you can conduct to solve the problems. Some solutions may require cleaning or replacing parts
of the printer.
If the suggested corrective action will not solve the problem, call for service.
Printed Results
Corrective Action
Completely blank
printout
Check the toner containers. Open the printer top cover and check that the
toner containers are correctly installed in the printer. For more
information on installing the toner containers, see
Toner Container
Replacement on p. 6-3
.
Check that the application software is correctly operated.
Full single-color
printout
Check the charger unit.
Open the left cover and check that the charger unit is correctly installed.
Dropouts, horizontal
streaks, stray dots
Clean the main charger units.
Open the left cover. Slowly pull the green wire cleaner knob to each of
the main charger units in and out a few times. For full details, see
Cleaning the Main Charger Unit on p. 6-10
.
Summary of Contents for 6890N
Page 1: ...User Manual 6890n ...
Page 52: ...2 14 Getting started ...
Page 92: ...4 12 Directory ...
Page 176: ...6 48 Maintenance ...