Re: Printer won't print anything - not even a test page - on light is blinking but no others

Thank you for posting on HP Support Community.

Don't worry as I'll be glad to help, I have a few troubleshooting steps we could try to fix the issue:  

Step 1: Reset the power module and test the wall outlet

Unplug the printer to reset the internal power module, plug another appliance into the wall outlet to test the power, and then reconnect the printer.

1. Disconnect the power cord from the rear of the printer.

2. Unplug the power cord from the wall outlet, power strip, or surge protector.

3. While the printer is unplugged, plug another appliance into the wall outlet, and then turn it on to make sure the outlet works.

   • If the wall outlet does not work, plug the printer into an outlet that does work. Do not use a power strip or surge protector.

   • If the wall outlet works, continue with these steps.

4. After the printer has been disconnected for at least 60 seconds, reconnect the power cord to the rear of the printer.

5. Plug the power cord directly into the wall outlet. Do not use a power strip or surge protector.

6. Check the rear of the printer and the ink cartridge access area to see if the internal power module has an indicator light.

   • If the internal power module has a light, the light is on, and the printer turns on, you can stop troubleshooting.

   • If the internal power module has a light and the light is on, but the printer still does not turn on, continue to the next step.

   • If the internal power module has a light and the light is off, skip to the step to Test the power with another compatible power cord.

   • If the internal power module does not have a light, continue to the next step.

   Internal power module indicator light on the rear of the printer:

   1. Screw

   2. Indicator light

   Internal power module indicator light in the ink cartridge access area:

   1. Indicator light

   Internal power module without an indicator light:

Hope this helps! Keep me posted for further assistance.
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