Kyocera FS-9100DN FS-9100/9500 Operation Guide Rev-1.3 - Page 70

Print Quality Problems, Corrective Action

Page 70 highlights

Chapter 4 Troubleshooting 2. Print Quality Problems As the following table shows, there are many possible causes of print quality problems, such as blank output. The troubleshooting procedure for each type of problem is explained below. If you still cannot solve the problem, contact your Kyocera Mita dealer. Printed Results Corrective Action Completely blank printout Check the toner container. Open the printer front cover and check that the toner container is correctly installed in the printer. See Toner Container Replacement on page 6-1. All-black printout Check the main charger unit. Open the printer front cover and check that the main charger unit is correctly installed. Dropouts, horizontal streaks, stray dots Black or white vertical streaks 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 6-1. 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 Toner Container 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 6-1. (Continued on next page) 4-2

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Chapter 4
Troubleshooting
4-2
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 cannot solve the problem, contact your Kyocera Mita dealer.
2. Print Quality Problems
Printed Results
Corrective Action
Completely blank printout
Check the toner container.
Open the printer front cover and check that the toner container is
correctly installed in the printer. See
Toner Container Replacement on
page 6-1
.
All-black printout
Check the main charger unit.
Open the printer front cover and check that the main charger unit is
correctly installed.
Dropouts, horizontal streaks, stray dots
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 6-1
.
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
.
Black or white vertical streaks
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
Toner Container
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 6-1
.
(Continued on next page)