HP Color LaserJet ENT M4555 MFP Printer

Error Codes and Support


EIO {X} disk not functional

Error Description:

The EIO disk in slot {X} is not correctly functioning. ◦ X = 1 Slot 1


Turn the product off, and then on. If the error persists, turn the product off, and then remove and reinstall the disk.

Call for Assistance 844-755-3000