Question about Panasonic FP-7735 Black and White Copier

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How do I replace the Cleaning Brush for the drum?????

I replaced the drum after your great advice a month ago now I need to replace the cleaning brush for the drum but I have it all out and can not figure out how to release the brush. How do I get it out?

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Replace the drum blade by removing drum unit and sliding out-cam developer unit with black lever on rh side of copier. remove toner waste bottle first.

drum blade comes out after popping off upper plastic cover, on front of drum unit move spring to right and take off spring which exerts tension on the blade!

BEFORE removing blade remove the drum carefully{dont scratch} with screw on front of ***'y turn t-post 1/4 turn and pull out.

blade comes up and out after pulling front side plastic retainer/tension piece out.

vacuum unit with hepa filter vacuum replace blade with new one & re-assemble-if you can locate starting powder I always powder the drum on new blade installs.This will reduce streaks in the future.
you should be able to get starting powder from precision roller.com

Need any more help just holler!

Posted on Apr 22, 2008

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Why in the world are you replaceing the brush? In 25 years of copiers, i,ve never had to replce a brush. If its streaking on the copy, its the blade thats bad. only reason to replace a brush is if its broke,cause of a clog. just vacumm it out.

Posted on Jan 31, 2008

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1 Answer

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Hi from retired Englishman in SW France,
(this is my standard, pre-typed response to this sort of problem, sorry)

It does sound as if the motor requires replacement unless it is the control board not powering the motor.
Now, a word or two of advice from a retired Englishman in SW France. It might be suggested that just the brushes on the motor want changing; experience (of others) suggests that they may only last months rather than many years UNLESS the motor itself is refurbished. Refurbishment includes skimming the commutator on which the brushes run. Without skimming the brushes do not sit cleanly on the com, often causing excessive sparking and excessive wear on BOTH. Alternately a new motor! I changed the motor on our 19+ year-old Bosch at a cost of GBP250 ;-0(

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Hi from retired Englishman in SW France,

It does sound as if the motor requires replacement. It is not uncommon to find that the brushes are worn sufficiently for them to not make perfect contact with the commutator.

Now, a word or two of advice from this old hand- it might be suggested that just the brushes on the motor want changing; experience (of others) suggests that they may only last months rather than many years UNLESS the motor itself is refurbished. Refurbishment includes skimming the commutator on which the brushes run. Without skimming the brushes do not sit cleanly on the commutator (like the worn ones!), often causing excessive sparking and excessive wear on BOTH. Alternately a new motor! I changed the motor on our 19+ year-old Bosch at a cost of GBP250 ;-0(
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image_icon_name.gifsteven

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