A printhead module assembly includes a printhead integrated circuit (IC) assembly. The printhead IC assembly includes a plurality of ink ejection nozzles arranged to form staggered rows. The printhead IC assembly defines a plurality of ink channels for supplying ink to the ink ejection nozzles. A flexible...http://www.google.de/patents/US7744191?utm_source=gb-gplus-sharePatent US7744191 - Flexible printhead module incorporating staggered rows of ink ejection nozzles
