Patent ID: 7438388
Filing Date: 2008-10-21
Classification: B41J,H05K

Abstract:
1. A printer comprising a removably mounted printhead assembly, the printhead assembly comprising: a printhead module incorporating at least two printhead integrated circuits each having fluid ejection nozzles, a support member supporting and carrying printing fluid for the printhead integrated circuits, and an electrical connector for connecting electrical signals to the printhead integrated circuits; a circuit assembly comprising linearly aligned first printed circuit boards which each have drive electronics for controlling operation of the printhead integrated circuits via the electrical connector, a second printed circuit board arranged at one end of first printed circuit boards for connecting the drive electronics to power and data supplies, and a third printed circuit board having a spring portion arranged at an opposite end of the first printed circuit boards; and a support frame on which the printhead module and the circuit assembly are removably mounted, the second and third printed circuit boards being arranged at the respective longitudinal ends of the support frame.