Kyocera FS-3700 - Manual (Page 82)

Faint or blurred printing
Check the control panel.
If the
Toner low TK-20 Clean printer message is displayed and the indi-
cator is flashing, install a new toner kit. See Section 4.1.
Set the print density from the control panel to a higher level than the current setting. See Sec-
tion 2.8.
Set the control panel
Paper type setting to Thick .
Check the Ecoprint setting.
See Section 2.6.
Grey background
Check the control panel.
If the
Toner low TK-20 Clean printer message is displayed and the indi-
cator is flashing, install a new toner kit. See Section 4.1.
Clean the main charger wire.
Open the printer’s side cover. Pull the green main charger wire cleaning knob slowly in and out
a few times. See Section 4.2.
Check the main charger unit installation.
Open the printer’s side cover. Remove the main charger unit half way out, then reinstall it
properly. See section 4.2.
Call for the assistance of a service person.
If the above checks do not solve the problem, call for the assistance of a service person.
5.4. Print Quality Problems
5-5