Patent ID: 7819505

Claim:
A print system for a pagewidth printer, the system comprising: a central processing unit (CPU) subsystem having a CPU with a plurality of peripherals configured to interface said print system with the printer and to control operation of the printer; a dynamic random access memory (DRAM) subsystem configured to store print data and to arbitrate requests received from the CPU subsystem; and a print engine pipeline (PEP) subsystem configured to accept compressed pages from the DRAM subsystem and to render said pages to bi-level dots for printing by a bi-lithic printhead of the pagewidth printer; a printed circuit board mounting a controller comprising the CPU, DRAM and PEP subsystems; and a cradle for removable installation of a cartridge comprising the printhead, the printed circuit board being mounted to the cradle so that the PEP subsystem is connected with the printhead upon installation of the cartridge.