Samsung CLX-3160 I put in a new black toner because the older one

Replace black developer unit.Toner cartridge is merely a toner tank

Your problem is the black toner cartridge pickup drum has become scratched and is depositing "extra" black toner onto the paper prior to the fuser roller. you need to replace the drum and all should be ok then

You can change that in printer properties.

All of the manufacturers do the same thing to get people to buy their toners, if any toner is empty you don't get to print even black. Sometimes empty toner can scratch a drum so that's the excuse they use for making them that way.

Go to printer properties and check whether you have selected print in grey mode and also check whether you have selected the economic mode. Rectify the same will solve your problem.

Revert back for more assistance.

Hi,

To run a quick check on your black toner, insert your old black toner back to the printer.

press on the menu button -> system -> report-> supplier info-> print. and same for your new toner, if it show u both the old n new black toner are under the same serial number. the new toner might be faulty. Invalid toner detected.

get the new toner with the box packing back to the shop for replacement.

If the problem is only with Black output you need to change the Black developer of the Imaging Unit, Else you need to refer to the Authorised Service center. Else you may change the complete imaging unit by yourself.

I have a CLX-2160N and have just emptied my own waste toner container. (Disclaimer: not sure how toxic or environmentally friendly this is).
Emptied carefully and thoroughly (fine dust). Immersed in bowl of warm soapy water, and vigorous shaking to get nice and clean.
Shook all water out well, and dried off as much as possible. Reinstalled. Turned printer back on. Hey presto - seems happy.

clean the doctor blade in dev.unit.

You can buy toner cartridges to this machine and fix the problem yourselves. Go to any office supply store and they will have toner cartridges for the Samsung clx 3160. The display will flash the name fo the cartridge color that needs to be replaced. Just open the front door of the machine, pull out the empty cartridges and pop in the new ones.