20 Most Recent OKI B4600 Laser Printer Questions & Answers

ID- admin PW - 'last 6 characters of MAC address'

This is a simple and common problem with many LED print head printers. You just have toner dust on the surface of the print head. Run your finger along the head and all will be well.

you should have an RFID chip in the toner try replacing the RFID chip for the toner

take both drawers out and find the bit of rubbish blocking it up a bit of paper or a clip or a staple is stuck in a seem ,,, or runner

There is a sensor on the front left side usualy that detects the cover open or closed state. Check it maybe you made a mistake at assembling it or something came in between and the sensor can't detect it.

Open the top cover and take a damp rag clean LED array (thin black strip attached to cover). Then print a cleaning page.

Push in the paper guide/tray in the rear and pull out the one in the front (where there are the arrows)

close the rear tray

Open that cover look for the sensor it could be a dirty sensor or the spring came loose that flips the sensor back into position.

Yes. click on your printer icon. select properties then look for Tray or Output Tray or Tray settings and change it

That is a paper jam code. Reopen the cover, and clear all paper jams. Close the cover, and then I would reset the machine by turning it off and on if the code continues. http://www.german-parts.de/oki_manual/paperjam/stau_b400_series.pdf