Question about Panasonic FP-7735 Black and White Copier

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Panasonic Fp7735 I have a problem regarding this copier, i already replaced the drum,developer and cleaning blade,cleaned also the optics but no luck. I has dirty copy on the lower portion, about 1/4 inch when copying vertically but not solid dirt. if i copy horizontally, the copy is clear. also, when i lighten the copy, the dirt is also diminishing. thanks in advance.

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  • Anonymous Mar 18, 2014

    When copying photos a thin blue line appears horizontally on the copied photo.



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Hi there, my unit keep on misfeeding , i have already replaced the fingers. any experience regarding my problem...many thanks

Posted on Oct 22, 2008

  • kober Jan 31, 2014

    Over toner i think,so you must do f8 c09

  • kober Jan 31, 2014

    If in indonesia i can help


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Check dv fan and duct (rear machine) and vacuum. Fuser heat roller shot?

Posted on Oct 09, 2008

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Just make sure you cleaned all mirrors, **** glass, and glass of discharge lamps. if you sure that when you copy a lighter image and the black line is also ligthens, those parts i mentioned are the only parts that concerned with.

Posted on Aug 22, 2008

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Hello Sir,
Try to clean the optical parts of your copier( scanner,mirrors,laser) and then repeat dev. adjust simulation.
PS: Please specify what type of copier you have. I can help you more than that.
Best Regards,

Mar 27, 2015 | Office Equipment & Supplies

1 Answer

The developer box does'nt keeps toner in it, is it probably because of already 'old developer' or do i need to add some much is developer? Mine is toshiba e45. Thanks a lot.

The developer life span is about 150.000 copies, then it should be replaced.
If the developer has not done 150.000 copies then there could be another problem.
The cost of the developer is about R1000.00. {in South Africa}
Please remember that the life span of the drum and drum cleaning blade is also 150.00 copies, so the developer, drum and cleaning blade should be replaced at the same time.


Apr 12, 2011 | Toshiba e-Studio 45 Black and White Copier

1 Answer

On DP-2330 my copies come out with lines and looks dirty

Hard to say without knowing how many copies it has done.
Suggest that it may need the mirrors/optics cleaned,may require a new drum,drum blade,fuser web,fuser roller ,developer or may even be non genuine toner.Suggest that a technician has a look at your copier..

Nov 18, 2010 | Panasonic Workio DP-3520 Copier

1 Answer

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Have you cleaned the optic's? How about has the drum & cleaning blade & developer been changed recently? If not I would start with that first. Good Luck

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Hi there,
iR1600 are special machine that needs a little bit more care.

First, clean the laser unit and optics ( beneath copy glass too ). Then use some polisher and polish the developing cylinder and clean/replace developer cylinder blade.


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Clean the transfer/separator corona unit,the optical unit components and if you have make more 1200000 copies change the developer and OPC drum,drum cleaning blade and the charge corona wire.

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getting clean and clear copy need to have a clean optics mirrors and lens, a good photo conductor drum, a new developer, cleaning blade and clean charge and transfer units

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1 Answer

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The cleaning blade is in the drum cartridge.
There is no developrer change in that product.
There are 2 cartridges.
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Toner contains all you need as far as ink. And also the waste sump is on the toner cartridge.
The Drum is a self containted unit that has the cleaning blade and auger built in.

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