Question about Gestetner DSm660 Copier
SC542 is a Fuser error code. It's a "fusing temperature warm-up error", basically meaning that the hot roller in the fuser did not reach the proper operating temperature within an allotted time period.
In order to clear this error, you would need to go into the service mode of the copier, then into the "System SP" section, and then power down the machine using the ORANGE ROCKER SWITCH located under the clear cover in the upper left corner of the FRONT DOOR..
Most likely it is time to have the machine serviced. Generally this happens when the hot roller has become worn, causing melted toner to stick to the roller and/or thermistors (temp sensors) that touch the roller surface. The hot roller, and other main components in the fuser, have a rated service life of 300K copies/prints.
One other possibility is that the paper you are using is too dusty. These machines have had issues with buildup on the sensors that is caused by a mixture of the paper dust and the silicone lubricant that is applied to the roller via the cleaning web. There has been a few service bulletins with regard to the build-up problem. There have been a number of part changes and setting adjustments to help combat this.
Posted on Apr 01, 2011
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Posted on Jan 02, 2017
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