Ricoh mp4000 transfer belt moving to rear site

[JustManuals]

Re: Ricoh mp4000 transfer belt moving to rear site

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[Mark Bbb]

Re: Ricoh mp4000 transfer belt moving to rear site

Even with a mp4001, with counter 60K, the transfer belt has moved to the rear. Could it be because of the movement of the drum, which is not fixed in its frame (it fact the drum is very movable). So i do not believe it's a bearing. There are some bulletins concerning this problem, do they help?

[xatrix]

Re: Ricoh mp4000 transfer belt moving to rear site

sounds like one of the bearing are not moving freely have had this happen alot. replace the bearings on the belt assy

[Mark Bbb]

And when the belt has moved to the rear site, it makes a noise, because the belt rubs over the belt holder bracket. Replacing belt and blade don't solve the problem. 3 units have this problem.
Thank you for your good answer.