Output apparatus with detachable character storing cartridge

摘要: An output apparatus to which a plurality of detachable character pattern generators (font cartridges) can be attached comprises: first generator is provided in the main body and includes information constructed by storing method other than an unprocessed dot matrix; second from socket attach body; discriminating circuit decide whether has keen or not; controller for preferentially converting characters included into patterns matrix form that when been set converted patterns. When font cartridge socket, developed cache memory if not, memory. Thus, effectively used throughput improved.