@Myda2, Welcome to the HP Support Community!
Thanks for reaching out about your query regarding your printer!
We're thrilled to have the opportunity to assist you and provide a solution.
If your HP printer does not turn on or respond when you use the Power button or switch, follow these detailed steps based on your printer's power supply type:
Internal Power Supply
Recycle Power to the Printer:
- Disconnect the power cord from the printer.
- Unplug the power cord from the wall outlet, power strip, or surge protector.
- After 60 seconds, reconnect the power cord to the printer and plug it directly into the wall outlet.
- Press and release the Power button or toggle the Power switch.
Test the Power Source with Another Power Cord:
- Unplug the power cord from the wall outlet.
- Connect the printer to a different working outlet.
- If the printer turns on, stop troubleshooting. If not, try a different power cord with the same connector.
- If none of the cords work, replace the power module via the HP Parts Store.
External Power Supply
Check Compatibility of the External Power Module:
- Ensure the voltage and amperage specifications on the power module match those on the printer.
- If not compatible, obtain a replacement module from the HP Parts Store.
Recycle Power to the Printer:
- Unplug the power cord for at least 60 seconds and reconnect it directly to the wall outlet.
- Perform the Power On/Off cycle as described earlier.
Hope this helps!
Take care, and have an amazing day!
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