HP LaserJet 4345 Multifunction Printer series - White spots on black

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White spots on black

1. Print a few more pages to see if the problem corrects itself.

2. Make sure that the type and quality of the paper that you are using meet HP

specifications. (See

Print media specifications


3. Make sure that the environmental specifications for the MFP are being met. (See

Environmental specifications


4. Replace the print cartridge.