Read the following passage to answer questions 49 to 52Web c…
Read the following passage to answer questions 49 to 52Web cleaner: The purpose of the web cleaner system is to remove the small amount of dry ink left on the xerographic drum after the image has been transferred to the copy paper. The web cleaner consists of a cleaning web and a system to guide the web across the drum surface. A low web switch(LS 11) signals when the web supply runs out and should be replacedThe cleaning web stored on the supply shaft. A 2 1/2 inch arc of web material contacts the drum.The web material is made up of a highly absorbent paper impregnated with a dry lubricant to ease cleaning and improve copy quality. The web is pulled off the supply shaft and across the drum by a rubber pressure roller which rotates in the same direction as the drum. This causes the web to move in a direction oppossite to the drum rotation at the point where the web contacts the drum. The pressure roller is driven by the main drive motor through a speed reducing gear train that rotates approximately 1/8 inch for every revolution of the drum. The used web is wound up on the take-up shaft by a constant-torque slip clutch. This clutch, which is mounted on the take-up shaft, also reveives power from the gear train.The web cleaner system is designed to
Read Details