HP Color LaserJet 2500 - Error 54.07 All Lights On

This error occurred on a long print run after 100-200 pages. The printer stopped mid print with the Attention light, Ready light, and Go lights all on indicating a service error.

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Dell 5100cn 5110cn - Noisy And Not Printing Black Or Faint Black

If you have a Dell 5100cn or 5110cn colour laser printer that is noisy when printing and prints faint black or no black at all, check the black developer and the developer drive assembly.

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