| CPC B41J 2/17546 (2013.01) [B41J 2/1752 (2013.01); B41J 2/1753 (2013.01)] | 20 Claims | 

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               1. A print head assembly, comprising: 
            a housing defining an inner cavity configured for receipt and retention of a print ink cartridge; 
                a cover for operatively opening and closing an access opening in the housing that communicates with the cavity; and 
                a movable circuit board configured and positioned for communicating with a print ink cartridge installed within the cavity, wherein 
                opening of the cover to an opened position initiates movement of the circuit board away from the cavity and disengagement from a print ink cartridge installed within the cavity and closing of the cover to a closed position initiates movement of the circuit board toward the cavity and engagement with a print ink cartridge installed within the cavity. 
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