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Message: [QUOTE="Bennn, post: 221155, member: 19135"] Hello, I use a Ricoh printer. Since 2 month it doesn't work : - first it does not recognize the Black Toner. It says it's empty and must be change, even though it's full. I changed it a couple of time with another one that is also brand new and official, but the same error pops up. - after restarting the printer, a couple of time, finally the error SC 360 comes in. Apparently, it's a toner density (TD) sensor error. - we've opened the lock where the pumps are. The black pump is clean so i don't think it's coming from a cleaning problem. After a couple of month, i think the error might be mechanical. The thing is, i'm not a mecanician, and i don't know where the toner density is. Anyone has an idea where the problem should come from ? The toner density, the pump ? Where can i fan the blueprint so i can find where the TD sensor is ? Thanks for reading, Ben [/QUOTE]