Kyocera FS C5250DN User Manual

5-3
Maintenance
Toner Kits
For best results, we recommend that you only use genuine Kyocera Parts 
The toner kits are supplied in 4 different colors: cyan, magenta, yellow 
and black.
A new toner kit for each color contains the following items:
• Toner Container
• Plastic waste bags for old toner container and old waste toner box
• Waste Toner Box
• Installation Guide
Understanding Messages Requesting Toner Container 
Replacement
The printer displays messages for individual colors at two stages of toner...

Maintenance
5-4
Replacing the Toner Container
This section explains how to replace the toner containers. When 
replacing the toner container of any color, always replace the waste toner 
box at the same time. If this box is full, the printer may be damaged or 
contaminated by the waste toner that may spill over the box. 
IMPORTANT   During toner container replacement, temporarily move 
storage media and computer supplies (such as floppy disks) away 
from the toner container. This is to avoid damaging...

5-5Maintenance
3Put the old toner container in the plastic bag (contained in the toner 
kit) and discard it later according to the local code or regulations for 
waste disposal. 
4Take the new toner container out of the toner kit.
5Shake the new toner container 5 or 
6 times as shown in the figure in 
order to distribute the toner evenly inside the container.
Do not press too firmly on the center of the toner container or touch 
the toner feed slot.
6Holding the new toner container with the toner feed...

Maintenance
5-6
Replacing the Waste Toner Box
Replace the waste toner box when the  Check waste toner box 
message is displayed. A new waste toner box is included with the toner 
kit. The waste toner box needs to be replaced before the printer will 
operate.
1Open the waste toner box cover. 
2Press the lock button and gently remove the waste toner box.
3Close the cap to the old waste toner box after removing the box from 
the printer.
4To prevent toner from spilling, put the old waste toner box in the...

5-7Maintenance
6Insert the new waste toner box as shown in the figure. When the box 
is set correctly, it will snap into place.
7Make sure that the waste toner box is correctly inserted and close the 
waste toner box cover.
After replacing the toner containers and the waste toner box, clean the 
paper transfer unit. For instructions, refer to  Cleaning the Printer on page 
5-8 .
New Waste 
Toner Box
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Maintenance
5-8
Cleaning the Printer
The paper transfer unit should be cleaned each time the toner container 
and waste toner box are replaced. 
To maintain optimum print quality, it is also recommended that the inside 
of the printer be cleaned once a month as well as when the toner 
container is replaced. 
It should also be cleaned if streaking or lines appear on printed copies, or 
if printouts appear faint or blurred.
Cleaning the Paper Transfer Unit
Print problems such as soiling of the reverse side...

6-1
6 Troubleshooting
This chapter contains explanations on the following topics:
General Guidelines6-2
Print Quality Problems 6-3
Error Messages 6-6
Clearing Paper Jams 6-11
If a problem cannot be corrected, contact your service 
technician. 
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Troubleshooting
6-2
General Guidelines
The table below provides basic solutions for problems you may encounter 
with the printer. We suggest you consult this table to troubleshoot the 
problems before calling for service.
Tips
Printer problems may be solved easily by following the tips below. When 
you have encountered a problem that following the above guidelines will 
not solve, try the following:
• Turn the printer power off and wait for several seconds. Then, turn on  the printer.
• Reboot the...

6-3Troubleshooting
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 ResultsCorrective Action
Skewed-color printout Conduct color registration using the printer operation panel.
For details, refer to Registration Normal (Color...

Troubleshooting
6-4
Faint or blurred printing Clean the LSU.
For details, refer to LSU (LSU cleaning mode setting) on page 4-88 .
Make sure the paper type setting is correct the paper being used.
For details, refer to  Paper Settings on page 4-29 .
Conduct color calibration either by switching the printer off then on or using 
the printer operation panel.
For details, refer to  Color Calibration on page 4-79 .
Try adjusting the color control settings using the printer driver.
Check the operation panel....