My C5100n will print all colors on a page except black. I initially encountered the problem last week, although the problem then was that the black ink was not setting. Color images looked good, but the black was smeared. I replace the black toner cartridge, and my problem was solved for a couple of days. Now, no black will print at all. This occurs for both text and graphics.
This may not be a solution, but certainly a troubleshooting trick. Move one of the color drums to the black area, and the black drum to the color one you just moved. If the problem follows the drum, the drum is defective - if the problem stays with the black "area" then you have a probem related to the electronics of the printer. Clean all contacts and test again.
How many prints have u done with the drum, black.???, if it´s new, just clean the leeds of the black, with a piece of cloth.
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I'm having the same problem except I've changed both the toner cartridge and drum and still not printing black. You say to clean the leeds ... um .... not to sound dumb but where in the world is that? Is that the connection areas on the drum? Did that. I gently cleaned the "bar" that hangs down from the lid when you open it. Still not printing black. Adjusted the registration a couple of times. Still not printing black. All other colors printing including the Cyan that says is out.
I'm having a problem with my black ink as well. It prints out but is faded. I changed the toner and the drum is still good. All other colors print out fine. Any suggestions?
C5150 Does not print black.
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