HP LaserJet 2550L Printer "black print dark" Questions

...black or dark gray. It's like it's dirty, but I have cleaned it and it still does it. Help please! Try to change toner cartridge, I had this happen with my old laserjet 5, and it was a faulty ...

print black when it is out of a color. How can I get my printer to print black only when I am out of a color ink? restore the properties.... set as "print in grey scale" or "print color as b/w images"

...black ink does not print, go to "Disable the Cartridge" and switch the magenta and black cartridges on the menu. Then, print the pages again. If black ink does not print, then the problem may be the ...

...print the black is not as dark (noticable). Okay for document but not for my use. Is it the printer, the off brand? I can buy a real hp toner cartridge but they are very expensive so if it is the ...

...print full black page from computer also & test page also if your laserjet print full black page. have you opened up the tube of laser into direct sun light ? take it to the dark place and clean the ...

...black line hi, i have hp laserjet4 printer and since one month when i print document one or two dark line is printing in the paper can u pls give me solution for this thanks Dirty Primary Charge ...

4200 printer is printing a full black page Are you Using original HP cartridge? Didi you try another cartridge? Is it very black or dark gray?

...black page. Any idea how to resolve this? I tried replacing the duplexer belt. Try using the HP Print Diagnostic Utility in Windows - HP Customer Care (United States - English). If you need more help ...

...is black (or gray) pages. Toner seems to be fine -- does the same with an old or a new cartridge. dark background usually means the High Voltage Power Supply is malfunctioning. replacement

...black print fades to the bottom of the page. the print starts out dark and then fades down the page, replaced toner and it is still an issue. dirty scanner.open the printer back cover.remove the ...