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NEOTECH
01-15-2012, 10:59 PM
hi dear's i have a problem in bizhub 750 when i make copy one side image is very clear but when i make both side copy 2nd side very high background
what is tha problem if any one face like this problem plz help me thank's:confused:

KEVIN900
01-16-2012, 01:57 AM
Sounds like you should bring your vaccuum with you, and some clean rags. Your duplex unit is filthy with toner. Biz 750's drop toner. After cleaning up the drum area, horizontal transport, and duplex area, set your dip switch settings as follows; change 23-2 to 1. 23-3 to 1. 5-0 to 1. 5-1 to 1. 3-3 to 1. and 3-4 to 1. these settings should greatly reduce toner spilling out of the developer unit. but those 750's and 600's also are notorious for dumping toner.

JustManuals
01-16-2012, 01:32 PM
This Parts & Service Manual can now be purchased for $12.77 and downloaded immediately after payment from

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Paul@justmanuals.com

NEOTECH
01-18-2012, 04:05 PM
Sounds like you should bring your vaccuum with you, and some clean rags. Your duplex unit is filthy with toner. Biz 750's drop toner. After cleaning up the drum area, horizontal transport, and duplex area, set your dip switch settings as follows; change 23-2 to 1. 23-3 to 1. 5-0 to 1. 5-1 to 1. 3-3 to 1. and 3-4 to 1. these settings should greatly reduce toner spilling out of the developer unit. but those 750's and 600's also are notorious for dumping toner.

Hi,
I have a bh750 that only gets background on the second side. I saw the post for the drum bearing but my 1st side is clean. Can someone give me a tip to get in the right direction.


i did cleaning every thing but result not clear copy at same with background do you have any other solution
plz reply me thank's

sprdav
01-18-2012, 04:55 PM
Try replacing the transfer separation coronas, or even the whole assembly.

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