Toshiba 4511, 3511 manual

(12)2nd transfer roller contact clutch

This clutch is an electromagnetic clutch which contacts or releases the 2nd transfer roller to the transfer belt. The 2nd transfer roller contacts when this clutch turns ON and releases when it turns OFF. Since the transport motor is its drive source, the clutch needs to be ON as long as they are contacting.

It also controls the clutch not to turn more than 180 degrees by the spring and stopper.

(13)2nd transfer roller cleaning brush

When the toner is remaining on the 2nd transfer roller, it may stain the rear side of the paper. This brush cleanses the 2nd transfer roller to prevent stain. In addition, the 2nd transfer section needs a periodical cleaning since this section has no mechanism discharging scraped toner.

(14)2nd transfer roller position detection sensor

This sensor is a photointerrupter detecting whether the 2nd transfer roller is at its contacting position or releasing position.

(15)Paper clinging detection sensor

When the thin paper which is out of specification passes through, the thin paper may cling to the transfer belt surface. In this case, the paper clinging to the belt cannot be removed in a usual jam processing and thus a service call occurs. To prevent this, the sensor detects whether the thin paper is clinging to the transfer belt or not, and processes this case as a paper jam.

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November 2003 © TOSHIBA TEC 14 - 3 e-STUDIO3511/4511 TRANSFER UNIT

04/05