20 Most Recent Kyocera FS-4000DN Laser Printer - Page 8 Questions & Answers

When you are in ready state, type 10871087 to enter the maintenance mode. Then type 251 to go in the section where clean the MK counter. (U251 Checking/clearing the maintenance count). Press Start to reset (if I remember correctly , you will need to type a new counter (000000), not just to clear the old one). After reset, you press Stop key to exit the submenu. Type 001 and press Start to exit the Maintenance mode.

Kyocera FS... | Answered on Jun 02, 2014

Hello, Power down the unit.Unplug power from wall. Power back up, if the error still happens, there is a small piece of paper somewhere, take toner out and look, or pull down back cover and look in there.

Kyocera FS... | Answered on Jun 01, 2014

error c3100 is a scanner problem, try cleaning and lightly oiling
scanner rails, if this does not help may be scanner motor or pcb.
also check if scanner shipping lock is pushed on

Kyocera FS... | Answered on May 09, 2014


Kyocera FS... | Answered on Mar 22, 2014

1) Check contacts of the DDR memory chip 2) Format the HDD. Ifthat doesn't help then you will need to replace the ddr memory chip and/or the HDD and/or the main pwb

Kyocera FS... | Answered on Mar 05, 2014

Be sure to power down and disconnect the power first.
A fuse it is blown within the fuser unit - replace that fuse or call a technician to do it for you.

Kyocera FS... | Answered on Jan 09, 2014

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