| 摘要 |
Image-forming apparatus includes a fusing roller which is replaceable in the apparatus in a cartridge. The cartridge includes a temperature sensitive fuse which blows when it passes a temperature during the initial operation of the fusing roller. The unblown fuse is sensed by a receiving apparatus as an indication of a new cartridge which can be used to reset a counter keeping track of usage of the cartridge. The cartridge also includes a lamp for heating the fusing roller and one or more temperature sensors for sensing the fusing roller temperature. The fuse, lamp and sensors are automatically connectable by a leading end connector to the receiving apparatus as part of inserting the cartridge in the apparatus.
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