@Bart69, Welcome to the HP Support Community!
Kindly refer to this document for assistance on the first-time setup. To know how to print from an iOS device, refer to this document.
An E0 error indicates an unusable cartridge.
This condition occurs when at least one ink cartridge needs attention, is faulty, incorrect, missing, damaged, or incompatible. Reseat both ink cartridges, clean the ink cartridge contacts, restart the printer, and replace one or both ink cartridges if necessary.
Make sure the plastic tape if any is removed from the new ink cartridge before placing it in the printer.
Try making a standalone copy and check if that works. By this, we can conclude if this is a hardware or a driver issue.
If the issue with the ink cartridge persists, please reach out to the HP Technical Support team in your region regarding the service options for your printer.
You may create a case on the website to obtain a case number if required. Kindly watch this video to know how.
Keep me posted for any other assistance.
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Have a great day!
KUMAR0307
I am an HP Employee