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‎07-25-2021 03:13 PM

HP Recommended
Product: Laserjet pro 400 Color M451dw
Operating System: macOS 11.0 Big Sur

I have a Laserjet Pro color 400 M451dw. I just installed 4 new HP Toner cartridges. Now it prints so light that it can barely be read, color or black and white. I installed the latest printer drivers for not from the hP website and no avail. The primer also makes a funny squeaking noise now. I doubled checked that the cartridges were seated etc.

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