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Customer replaceable unit monitor (CRUM) unit, replaceable unit and image forming apparatus comprising the CRUM unit, and unit driving method thereof
Customer replaceable unit monitor (CRUM) unit, replaceable unit and image forming apparatus comprising the CRUM unit, and unit driving method thereof
An image forming apparatus including a replaceable unit to participate in an image forming job, and a consumer replaceable unit monitor (CRUM) unit mountable to the replaceable unit.
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