Electronic printer and method of reprogramming an electronic printer.

摘要

For use in an electronic printer (10) having a serial impact printer (12) and an electronic processor (34), apparatus is provided to reprogram the system each time a supply or accessory item (84) is changed. The apparatus includes an active read-only memory chip (122) mounted on a supply item (84), such as a print wheel (84) provided in an easy load cartridge (86), a ribbon in a cartridge, etc. Apparatus (128) is carried by the printer (12) to connect the read-only memory chip (122) to the processor (34) upon attachment of the supply item (84) to the printer (12).