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kyogenius
07-01-2012, 08:13 AM
anyone got an idea of hw to solve this error code on 2525e ,gears are fine ,genuine toner, connectors on black dev unit are ok,besides changing the k dev unit wat else can be done to clear or reset the error, possible cause ?

taskalfa
07-01-2012, 11:31 AM
Did you check u155 toner sensor

blackcat4866
07-01-2012, 01:40 PM
The black developing unit is the most likely cause. The rear developing unit bearings will leak, and you'll see a nice pile of developer in the rear body of the machine. If this was a KM-C4035E, you would probably also have to change the black developer drive clutch, and check the shaft and bushings that it rides on. But the KM-C2525E, KM-C3225E, and KM-C3232E all use a developing drive motor, which won't be damaged by the additional load of trying to turn a seizing developing unit. =^..^=

kyogenius
07-02-2012, 06:23 AM
thanks, will try to run sim 155 and check the toner sensors, hope it will give me an answer

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