no error code, high voltage wire intact, new toner, new developer
Hi, my sharp AR-507 photocopier has been giving me blank prints from both photocopying or computer network printing. there is no error code showing at all. I have added new toner, changed developer, I also checked the high voltage wires, cleaned them, and they are not broken. I have also adjust the sensor gains. when I turned it on, it sounds like DC unit motor and drum is rotating. but I found the drum unit very clean after I done a few blank prints. please help. thanks a lot
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