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Image forming device and image forming system having a replacement unit mounted therein

  • US 7,206,524 B2
  • Filed: 01/14/2005
  • Issued: 04/17/2007
  • Est. Priority Date: 05/17/2004
  • Status: Expired due to Fees
First Claim
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1. An image forming device, comprising:

  • a main device body;

    at least one replacement unit replaceably mounted in the main device body;

    a determining unit for determining whether the replacement unit is genuine or other than a genuine product;

    an inputting unit for selecting a first operation mode corresponding to a genuine replacement unit and other operation modes differing from the first operation mode;

    a controlling unit for controlling image formation in the operation mode selected by the inputting unit;

    a displaying unit for displaying information regarding a usage amount of the replacement unit; and

    a display controlling unit for controlling a display pattern of the information regarding the usage amount displayed by the displaying unit in accordance with results of determination made by the determining unit.

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