View Full Version : Background in 2 sided copies in bizhub 420

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11-24-2008, 01:47 PM
Dear experts,

Iam facing a problem in bizhub 420,the prob is while doing 2 sided copies background is appearing only on the second side.when doing single side copies no issues.

Pls give me the solution. The Drum & Developer life is 70K copies.

Thanks in advance


11-24-2008, 06:17 PM
Try to change the developer. That model of machine often doesn't reach the established end of life.

11-25-2008, 04:46 AM
try to adjust the second transfer, in the negative direction, if your in a low humidity area, they have problems with transfer. Is this just plain paper or heavy stock?

11-25-2008, 06:18 AM
its just plain paper.if i change new dev prob ll fix but again appears after 50k copies and becomes worse.

11-25-2008, 01:37 PM
Please check the connection to ground !!
check also the if the voltage is correct


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