Print engine with partitioned body and interleaved ink storage modules

1. A print engine for an inkjet printer unit, the print engine comprising

a cradle unit; and

a replaceable cartridge unit to be releasably received within the cradle unit, the cartridge unit comprising:

an elongate body defining a plurality of partitions;

an ink storage module assembly including a row of ink storage modules interleaved with the partitions;

a printhead assembly mounted to the body and including an ink ejection integrated circuit (IC) connected to receive ink from the ink storage modules; and

a maintenance assembly configured to cap and clean the IC,

wherein an outer surface of the ink storage module assembly has interfaces to facilitate docking with a refill ink supply to replenish the ink storage modules.

2. A print engine as claimed in claim 1 , wherein the printhead assembly defines a plurality of clips which engage with lugs of the body.

3. A print engine as claimed in claim 1 , wherein the printhead assembly includes two elongate members adhered together, a first one of the members defining a plurality of longitudinally extending ink channels, and a second one of the members defining a plurality of feed tubes coupled to respective ink storage modules and for feeding ink to the ink channels.

4. A print engine as claimed in claim 3 wherein, in the floor of each channel are a series of spaced holes through which ink can be fed to the IC.

5. A print engine as claimed in claim 3 , wherein the IC is mounted to the first member by a polymer sealing film.

6. A print engine as claimed in claim 5 , wherein the film is a thermoplastic film or a thermosetting film.

7. A print engine as claimed in claim 5 , wherein the polymer sealing film is a laminate with adhesive layers on both sides of a central film.