Print Quality Problems - Kyocera Mita FS-9500DN Operation Manual

2. Print Quality Problems

As the following table shows, there are many possible causes of print quality problems, such as blank output. The troubleshooting pro-
cedure for each type of problem is explained below. If you still can not solve the problem, contact your Kyocera Mita dealer.
Printed Results
Completely blank printout
All-black printout
Dropouts, horizontal streaks, stray dots
Black or white vertical streaks
Corrective Action
Check the toner container.
Open the printer front cover and check that the toner container is
correctly installed in the printer. See
page 6-1.
Check the main charger unit.
Open the printer front cover and check that the main charger unit is
correctly installed.
Clean the charger wire.
Open the printer front cover. Pull the cleaning knob slowly in and out a
few times. See Toner Container Replacement on page
Refresh drum.
See the following procedures in the operator panel and try cleaning the
drum surface using the printer's built-in cleaning system.
1. Press the MENU key, and then press the 3 or 4 key to display
>Others.
2. Press the 2 key , and then press the 3 or 4 key to display >Service >.
3. Press the 2 key, and then press the 3 or 4 key to display >>Drum.
And then press the ENTER key twice.
4. The message display shows Please wait, and then the drum starts
turning and stops after approx.3 minutes. The printer reverts to
Ready.
Check the operator panel.
If the Toner low TK-70 message is displayed and the ! ATTENTION
indicator is flashing, install a new toner kit. See
Replacement on page 6-1.
Clean the charger wire.
Open the printer front cover. Pull the cleaning knob slowly in and out a
few times. See Toner Container Replacement on page
Chapter 4 Troubleshooting
Toner Container Replacement on
6-1.
Toner Container
6-1.
(Continued on next page)
4-2