A cradle unit for an inkjet printer including: a body complementary to a
removable inkjet cartridge of a type having a pagewidth printhead, an ink
supply and a capper assembly; and a controller for controlling the
operation of the printhead to facilitate printing when the removable
inkjet cartridge is received within the body; and an electromagnet
assembly on said body which is controlled by said controller for
operating said capper assembly of the removable inkjet cartridge.