Overview
Try the following:
If the problem persists, contact Support for additional assistance.
Reseat all drum cartridges, and then power the printer off and on using the power button on the control panel.
Fault Codes
043-345, 043-346, 043.345, 043.346, 043345, 043346, 43-345, 43-346, 43.345, 43.346, 43345, 43346