I have a HP LJ 9000. When you turn on the power switch, the display flashes quickly, then nothing. No lights, no fans spins, no noise. I have replaced the LVPS and the HVPS, but there is no change. Any help would be appreciated.
That printer is notorious for having the formatter go bad. Usually, 2 months after the warranty expires. That is all you have. Replace itand be on your way...
I've had the same kind of issue. Change the driver to the Universal Print Driver for the 9040. Uninstall the printer from the two faulty computers, then reinstall using the Universal Driver.
I have a HP Laserjet 3500. When printing the Configuration Page, it will print only the colors fine down the page, but the black is missing. It always prints the first page perfect, after that, everything black is missing. I have replaced the black cartridge, transfer assy, and black scanner...
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