IMAGE FORMING APPARATUS WITH REPLACEABLE PROCESS UNITS

摘要

An image forming apparatus having various process units at least one of which is removable for replacement. The apparatus has a mode selecting a device accessible for selecting desired one of a plurality of image modes. A photoconductive element, developing unit, image transferring unit and other replaceable process units each is provided with a storage for storing image forming conditions which match an image mode selected on the mode selecting device. A copy process and other conditions are set up on the basis of the conditions stored in the storage. Another storage is loaded with data associated with the service life of a replaceable process unit.