20 Most Recent Kyocera FS-3900 DTN MONO LASER PRINTER Questions & Answers

are you sure this is the error code?? normally its only 4 digits

Easy. You have to seek the problem at the left side underneath the the gears.Turn it to the bottom.There is a protruding metal peace. Bend it back to stand vertival. It will slow your problem, but if not feel free to ask!It helped to me.

sounds good I’m happy to assist further over the phone at https://www.6ya.com/expert/norman_d2fa496dce30c65d

6000 error is a fuser error. Check connections; make sure the back door/cover where the fuser is located is closed. Turn the machine off, unplug, plug back in, and turn printer back in; if you are still getting the error the fuser will need to be replaced.

If even a very small piece of paper is in the paper path it could cause this issue. You may need to have a technician take the printer apart to see what the cause is. If you can indicate exactly where inside it may be causing the paper to crease it would indicate whether one of the rollers is causing the issue or not, you may have a roller that is needing to be replaced. If you haven't had your printer looked at by a technician in a while it may be time to get a maintenance cleaning done which would resolve your issue and also indicate if there is any major problems going on with your printer.

a fuse it is blown within the FUSER UNIT - replace that fuse or call a technician to do it for you.

1.install the latest print driver; see if the rip/spool time is long or the printing time is long. The rip time depends by your computer (!) and the print driver (disable the collate option when printing multiple copies of 1 page = on the printer you should see 1/5 spit a page then 2/5 and spit another page for 5 copies of same page. If you see processing the spit the page then processing and spit the page means your computer is sending 5 times the same page instead of sending once and ask for 5 copies !!! )
2.use network connection instead the USB.
3.expand the printer memory
4.switch the printer from PCL to KPDL or Auto when printing pdf files.

Turn off RAMDISK.

The most common machine failure codes is CF---. For example CF248, CF000. In the most cases the printer is need to be upgraded to the latest firmware.

Suggestions at the link below: Thread Kyocera FS 1035 error C7990

make sure your cassette paper guides are snug to paper or push the system/counter button look under common settings and change the size to letter

Mrs lina p try to use WD40 I think it will help you

try updating print driver