Bizhub 600 machine reste en prechofage - Konica Minolta bizhub C250 All-In-One Laser Printer

When you reinstalled the upper and lower fused rollers mite have flipped the sensor so it's not riding on the fuser roller

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1. Remove the toner bottle then turn on the machine with out bottle inside of it. Let it go though its normal operations then when the machine asks for toner install the bottle.

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Which password the admin or the individual passwords Default admin 12345678 or 00000000
Go to:
Admin setting- Security setting -admin password

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The erase lamp (EL) is unconnected. Did some one recently replace something in the image unit. There are two small connectors that need to be connected. when the Charge Corona Assy.is installed above the drum that assy houses the Erase lamp.

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If the problem persists initialize the Fax board (Service Mode =>Fax =>Initialization

Please send me konica minolta bizhub 600 full service manual and help us this code c6708 still and my next machine bizhub 750 still warming up why problem this machine please help and send me your email address.
i want to talk to you continuous

Is tray 2 OK?
Any paper stuck behind the draw. Check the setting off draw one in user mode is it for that size paper?

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When the last time the machine was cleaned in the drum area along with the associated sensors, when was the last time drum and developer replaced, every 250,000 copies drum developer should be replaced.

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/normanj_7893313f0751935f

Mite be that the copier need s a cleaning inside because it can not complete a copy cycle such as monitor the density of the toner on the drum have a tech do a cleaning when was the last time a 250,000 copy Preventive Maintenance Kit was done on it! Very 250,000 PM is done every 500K new drum. Does your machine a small wrench on the operator screen upper right hand of the purple/white screen

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/normanj_7893313f0751935f

first toner must must and must be genuine, other wise it wont work in any conditions,
2nd toner density sensors and gamma sensor should be cleaned and all auto setting must be run .
third some time toner drops down the others side of the drum due to recycle clutch did't not work properly and all cleaned toner drops down after filled in recycle area,