20 Most Recent Kyocera FS-3900DN Laser Printer Questions & Answers

Drum unit non- installing error

The drum unit is not installed or not installed properly. You must have knocked it loose.Install the drum unit (See page P.1-5-10).

i have 7410 error call service. i tried to clean everithing en replaced the tone is almost full- still getting the error message.hat can i do. (fs-3900dn)

Defective Fixing Unit... Poor contact in the thermistor connector terminals, bad thermistor, broken heater lamp wire or some other contact problem related to fixing section. If it is possible, check with another Fixing Unit.

You first need a HEPA vac. Toner is considered a carcinogen.

6000 Broken fuser heater lamp wire
The temperature does not reach 100°C/
212°F after the fuser heater lamp has
been turned on continuously for 30 s.
30/31 ppm printer (EUR/USA model):
The temperature does not rise by 1°C/
1.8°F after the fuser heater lamp has
been turned on continuously for 5 s during
printing.
35/37 and 45/47 ppm printers (EUR/USA
model):
Fuser thermistor M detection
temperature does not rise by 1°C/1.8°F
after the fuser heater lamp has been
turned on continuously for 10 s during
warm-up or at standby.
Fuser thermistor S detection
temperature does not rise by 1°C/1.8°F
after the fuser heater lamp has been
turned on continuously for 5 s during
warm-up or at standby.
The temperature does not rise by 1°C/
1.8°F after the fuser heater lamp has
been turned on continuously for 5 s during
printing.
Poor contact in the
fuser thermistor M
connector terminals.
Reinsert the connector (See page P.1-5-19).
Fuser thermistor M
installed incorrectly.
Check and reinstall if necessary (See page
P.1-5-19).
Thermal cutout
triggered.
Check for continuity. If none, replace the
thermal cutout (See page P.1-5-19).
Fuser heater lamp
installed incorrectly.
Check and reinstall if necessary (See page
P.1-5-19).
Broken fuser
heater lamp wire.
Check for continuity. If none, replace the
fuser heater lamp (See page P.1-5-15).

The user name is : Admin password is : Admin if the command center asked for password only then it is : admin00 Case sensitive for all. I’m happy to help further over the phone at https://www.6ya.com/expert/mustafa_06f84c65ab5cc745

Error 7410 is drum unit not installed properly if you open the side door and push the the drum unit back in to place it probably just popped out of position a little bit

Drum unit non- installing error The drum unit is not installed or not installed properly. The drum PWB EEPROM does not communicate normally.

If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/ Type in the brand name of your device, in the search box [at the top right] of the display window and the Search will start at once as you type in, and will show you all the related posts. It will make surf easy.

Power off the printer, open left door and press in the drum unit (press in the area just above the square button) until it clicks into place. Close the door and power on.

sounds like invers is turned on which switches everything black will be white and white will be black try to find this seting and turn it off

user:Admin pass:Admin User:admin pass:admin00

are you asking for the password the default passwords are either Admin or admin00 that is for the web page on the machine its usally Admin or the speed of the mACHINE PLUSE TWO zeros

Open the left cover and push the drum unit inside (above the waste toner bottle) to lock. You will hear a sound like "click". If you cannot push the drum unit, you can first remove the developer unit.

It might be the main charger (MC-310 or MC-320) or the ground of the developer unit. In the first case, just remove the roller from the drum unit and clean it. In the second case, you have to remove the engine pwb (the board under the printer) and check the spring which grounds the developer unit.

F030 General failure
Miscellaneous failure with the main
PWB, other than F000, F010, F020,
F040 and F226, above.

Defective main-PWB

Turn the power switch off/on to restart the
printer.If the error is not resolved, replace
main PWB