Cradle for printhead cartridge having power regulation interface

摘要

A cradle unit for a printhead cartridge, the cradle unit comprising: an interface at which a printhead cartridge is removably engageable with the cradle unit, the interface comprising connections for connecting the printhead cartridge with a power supply which is remote from the interface; and a power regulation circuit incorporated in the interface for regulating supply of power from the power supply to the printhead cartridge.