Error E-01 indicate the cartridges are empty: first, verify this is not the case.
- Remove the cartridges
- Clean the chips with a soft cloth.
- Disconnect the power.
- Disconnect the USB cable.
- Hold on the "Power" button for 3 minutes then release.
- Connect USB and power cables.
- Power on the printer
- Install the cartridges
Solution 2: If error E-01 appears during the installation of a new cartridge:
- May be a the cartridge is defective. Replace it.
- See also solutions for "unknown cartridge" message