Gestentner dsm 620

**jake24482** · 03-11-2014

Hi
I am working on dsm 620 its popping sc544 I reset it and it ran about a week and the code came back .Can some one tell me what part causing this code .Please let me know if some has any information .
thanks in advance

**41-willys** · 03-11-2014

replace the thermistors and go from there.

**jake24482** · 03-11-2014

Originally Posted by 41-willys

replace the thermistors and go from there.

both of them

**slimslob** · 03-11-2014

Doesn't hurt to replace both. The code is for the center but I usually like to have both replaced at the same time. Also, if you are getting toner film build up on the hot roller, it iis time to replace that. If the thermistors does not correct the problem then replace the Power Supply Unit.

**jake24482** · 03-11-2014

Originally Posted by slimslob

Doesn't hurt to replace both. The code is for the center but I usually like to have both replaced at the same time. Also, if you are getting toner film build up on the hot roller, it iis time to replace that. If the thermistors do not correct the problem then replace the Power Supply Unit.

thanks guys let me order and i will let guys know