An inkjet printer cradle including a body defining a recess dimensioned to locate a removable inkjet cartridge of a type having a pagewidth printhead and an air inlet port; and an air compressor having an air outlet pipe arranged to traverse a portion of the body defining an internal shelf of the recess, said pipe positioned to couple with the air inlet port upon insertion of the inkjet printer cradle into the recess and configured to assist in piercing of a seal over the air inlet port.