When you find hp printer slow printing, it can be because of problems in the toner or ink cartridges of your printer. Ensure that your cartridges have sufficient ink. Also, the paper tray shouldn't be empty. Another fix is to reset your printer. Follow these steps to do it.
• Switch on the printer and disconnect the power cable.
• Wait for 60 seconds. Now, plug back the power cable into its source.
• Now, link the power cable to your printing device.