Image forming apparatus capable of verifying the...

Details Image forming apparatus capable of verifying the... Image forming apparatus capable of verifying the...

2005-01-18

2005-01-18

Grimley, Arthur T. (Department: 2852)

Electrophotography

Diagnostics

Component present or mounted

Reexamination Certificate

active

06845219

ABSTRACT:
An image forming apparatus includes an image carrier and a first developing unit for forming an image on the image carrier using at least one type of first developer to which a second developing unit for forming an image using at least one type of second developer which differs from the first developer is installable. The apparatus includes a developing unit determination part for determining the type of developing unit of the image forming apparatus, and an announcement part for announcing to the user that, when the second developing unit is not installed and an image formation instruction for instructing the formation of an image obtained by using the second developer is inputted, the image formation instruction cannot be made to effect a response.

REFERENCES:
patent: 5760928 (1998-06-01), Motoyama et al.
patent: 20030053117 (2003-03-01), Payne et al.
patent: A 2000-131875 (2000-05-01), None
patent: A 2001-194846 (2001-07-01), None

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