To resolve this error:
- Open the printer access door.
- Disconnect the power adapter from the printer.
- Gently hold both sides of the carriage, located immediately behind the printhead, and make sure the carriage moves freely.
- Remove the printhead and ink cartridges.
- Reinstall the printhead and ink cartridges, making sure each clicks into place.
- Connect the power adapter to the printer.
- Turn the printer on, if necessary.
- Close the printer access door.