| 摘要 |
PURPOSE:To exactly attain effective utilization of a cleaning web, by providing a means which detects the end of the web before the end of the cleaning web is separated from a fixing roller to stop winding of the web, and to display its stop. CONSTITUTION:When a notch 8a provided at a position near by the end of a web 8 is moved, a pin 26 fixed onto a rocking lever 24 falls into this notch 8a, and the lever 24 rotates clockwise by operation of a spring 25. At the same time the pin 26 pushes up a groove hole 27 of a rocking plate 16 to rotate the rocking plate 16 counterclockwise, detaches an intermediate gear 17 from a driven gear 20, and stops transfer of rotation to the driven gear 20. When the web approaches the end of winding of the cleaning web after reciprocating once, and a notch 8b of the web comes to a position of an actator 28 of a microswitch 29, the actuator 28 goes into the notch 8b to stop driving of a motor 13, to stop winding of the web, and to display a stop of the web in the way. |
