CONTROL PROGRAM UPDATE SYSTEM FOR IMAGE FORMING DEVICE, IMAGE FORMING DEVICE AND HARD DISK STORAGE DEVICE

摘要

PROBLEM TO BE SOLVED: To solve the problem that conventional control program update using a memory card is very inconvenient to the update of many kinds of control programs for various image forming devices because only limited control programs can be updated by an update operation at a time. SOLUTION: Control programs are read from a hard disk and updated by attaching a hard disk storage device storing a program for update to an image forming device.