How to Fix E4 Error HP Printer?
E4 error in an HP printer is quite common. It occurs for several reasons, including paper jams or obstruction in the paper feed path. The other causes of the E4 error can be dirty rollers, incorrect paper loading, or sensor issues.
Turn off the printer or unplug it from the power source. Wait a while, plug it back in, and power on the printer to check if the error persists.
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