Hello everyone. I've been trying to resolve a problem on a Konica Minolta Bizhub 458e for days..
I'll explain everything briefly: once the machine runs out of toner it has loaded, instead of reloading it automatically, it jams while it's working, because when the toner is rightly missing the machine stops giving me the error 2557. Normally all the machines, once the toner stored in the developer runs out, it automatically rotates the bottle of toner present, in turn refilling the developer. The toner bottle doesn't turn for me. The strange thing is that if I manually refill the toner in the developer (therefore doing a MANUAL ADD TONER from service mode), the bottle turns and refills. Then in the test mode phase I have all completely black copies printed continuously. So the machine doesn't refill the toner at all and in the end it stops giving the error 2557 signal. I did all the necessary tests, I even tried disconnecting all the connectors (even on the cards) spraying a bit of spray on the contacts thinking maybe that this was a problem. no way.
I'll explain everything briefly: once the machine runs out of toner it has loaded, instead of reloading it automatically, it jams while it's working, because when the toner is rightly missing the machine stops giving me the error 2557. Normally all the machines, once the toner stored in the developer runs out, it automatically rotates the bottle of toner present, in turn refilling the developer. The toner bottle doesn't turn for me. The strange thing is that if I manually refill the toner in the developer (therefore doing a MANUAL ADD TONER from service mode), the bottle turns and refills. Then in the test mode phase I have all completely black copies printed continuously. So the machine doesn't refill the toner at all and in the end it stops giving the error 2557 signal. I did all the necessary tests, I even tried disconnecting all the connectors (even on the cards) spraying a bit of spray on the contacts thinking maybe that this was a problem. no way.
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