20 Most Recent Kyocera FS-920 Laser Printer - Page 4 Questions & Answers

Can be many things usually it drum decay and the drum unit or the charger unit maybe needing replaced

assuming the toner coverage per print isnt excessive , the problem could be any of the following, toner - have you used 3rd party toner ( compatibles, remanufactured) - if yes - you could have put the developer toner ratio out of spec- fix by replacing developer tank AND toner. if no - is there any blockage in the toner transfer pipe between toner cartridge and developer tank/ is the pipe split leaking toner if all looks ok , test the toner pump using the service commands., if toner is moving ok the problem must lie in the dev tank - the fix is still to replace the dev tank - good news is its plug and play comes with instructions on fitting and setting up .

Kyocera compatible does not mean Kyocera genuine. Not using genuine toner can invalidate your warranty. If that doesn't bother you then the printer detecting a non-genuine cartridge is not an issue.

laser unit

check if auto rotation is on or off

open the back of the machine two screws hold it in

look for the trigger that hits the switch to tell the machine it is close usally i thin long piece of plastic

You can connect the printer with a parallel cable, open cmd and type echo !R! FPLC 0; EXIT;>lpt1.

This is a machine serialnumber mismatch between to EEprom's

Fax board problem

could be a number of things but could be the dv unit.

Upgrade your firmware on the machine (a tech will need to do that) and download the latest KX driver from kyocera support

As an error, the C-4200, refers to laser unit. Sometimes the main charge (mc) cause this error. Remove the mc and check the sound of the laser. If you don' t hear the laser sound, then the problem is the laser unit

go into service mode and print out the maintenance sheet and look for the ucode for factory reset

I don't recommend cleaning a waste toner bottle but if you do just pull it out and empty the toner out its very messy for don't wear anything you don't want to get dirty

fax your cell phone the number that calls up is the fax number

it could be the drums are bad print the color test pages and see what the colors look like if there bad replace the drums for the colors that are bad