Patent ID: 6895191

Claim:
A method of verifying a replaceable module for a printing apparatus having a coupler, the method comprising: placing the replaceable module in proximity with a coupler attached to the printing apparatus; electrically reading with the coupler module information from the replaceable module; determining if the read module information is in a permitted category or in a prohibited category; automatically causing the printing apparatus to be placed in an engaging condition if the read module information is in the permitted category; and automatically causing the printing apparatus to be placed in a non-engaging condition if the read module information is in the prohibited category; wherein automatically causing the printing apparatus to be placed in an engaging condition comprises automatically displaying a user instruction to proceed with engaging the replaceable module and an operating element of the printing apparatus; and wherein automatically causing the printing apparatus to be placed in a non-engaging condition comprises automatically displaying a user instruction to refrain from engaging the replaceable module and the operating element of the printing apparatus.