Samsung CLP 300 Laser Printer "black doesn print" Questions

...My printer doesn need toner and is not jammed. The lights on top are blinking the red, yellow and blue-- not the black. Please advise. sam Is the paper tray pressed fully home until clicks

...black cartridges doesn't help. Clean print heads operation doesn't help. Switching computers (all with different versions of Mac OS), and altering WiFi to hardwire USB doesn't help. ...

...doesn't print in black, but it does in colour), it prints everything else. I already checked the port (it's USB), changed the cartridge, uninstalled and installed again the printer - but ...

...the color control settings and pick Grayscale or B&W; if you pick grayscale be sure to test print and adjust print density so black doesn't look medium gray and the rest illegibly

...print When i print black ink it doesn`t show, but with color it show. Try cleaning the black print head, It might make a difference. You need to do this through your software preferences. ...

...very well, but the text is not printing Black cartridge bad or not working. Try printing in black & white or grayscale, if it doesn't print at all then I'm correct in my

the black ink. Don The needed answer is how to tell the printer to print black without the large black cartridge.  Don's response really doesn't help.  Hopefully, he can tell us more

Black print doesn't print onto the paper. I have a lexmark z615 printer. Try to clean the print cartridge nozzles. On your computer, open the Lexmark Solution Center by going to the Start menu >

...doesn't allow me to click on " print in black and white" Please help In printing properties have you selected the 'grayscale' option, if still not working, in printer properties ...

doesn´t print at all error flash is on, doesn´t accept any print order. ink cartridges are new The cartridge is defective. Replace with BC-10 high capacity Black, or BC-11e Color.