Bizhub 200-350 - Doubling the Transfer Roller Life

[cwatts]

[fixthecopier]

Re: Bizhub 200-350 - Doubling the Transfer Roller Life

not sure I am familiar with that problem. In the past 12 years I have maybe changed 5 transfer rollers on that class of machine. I have over 300 in the field.

[mo0651]

Re: Bizhub 200-350 - Doubling the Transfer Roller Life

Not the transfer roller wearing on the drum....ds collars on the dev unit.

[Hansoon]

Re: Bizhub 200-350 - Doubling the Transfer Roller Life

Have never had transfer roller guide plates damaging the drum until now, but felt always uncomfortable about half moon wear on the both levers/tabs which touch the drum surface. To compensate we put in severe cases an extra shim 0.2mm under the levers to keep the guide plate of the transfer roller away from the drum.

BTW its important that the little collars on the transfer roller ends, which keep the transfer roller foam at a defined distance to the drum surface, can turn freely. Otherwise they too can damage the drum surface.

We almost never replace the whole transfer roller assembly. When they are dirty just clean them with plain water and blow them off with an airgun to dry.


Hans

[EarthKmTech]

Re: Bizhub 200-350 - Doubling the Transfer Roller Life

Those transfer rollers are worth next to nothing, I've never really had much of an issue with them other than squeaks but I do mostly change them if I see excessive wear or they've done 150k or more. I keep them new in the car anyway, along with drum, dev unit and developer. The dev unit has to be seriously impressive to get used again or it simply gets tossed in the garbage - I dont mind as its less work that way

[Hansoon]

Re: Bizhub 200-350 - Doubling the Transfer Roller Life

I dont mind as its less work that way

Great when your boss agrees with that......



Hans

[SmellsHot]

Re: Bizhub 200-350 - Doubling the Transfer Roller Life

This may sound crazy, but the transfer roller rubbing on the drum is about as much of a problem as the ds collars are. If the white guides on the Trans roller are worn down the slightest and you pop a new drum in there, you will be back within 10% of that drum life because it will have etched its way into the drum coating. Keep an eye on those white tabs
Good piece of advice "cwatts"!!

[goldencup]

Re: Bizhub 200-350 - Doubling the Transfer Roller Life

Have never had transfer roller guide plates damaging the drum until now, but felt always uncomfortable about half moon wear on the both levers/tabs which touch the drum surface. To compensate we put in severe cases an extra shim 0.2mm under the levers to keep the guide plate of the transfer roller away from the drum.

BTW its important that the little collars on the transfer roller ends, which keep the transfer roller foam at a defined distance to the drum surface, can turn freely. Otherwise they too can damage the drum surface.

We almost never replace the whole transfer roller assembly. When they are dirty just clean them with plain water and blow them off with an airgun to dry.


Hans

sir, may i know where is that half moon located? (may i have a picture) I would like to reconfirm about the shim if is it really 0.2mm and not 2mm? Thank you

[ni311]

Re: Bizhub 200-350 - Doubling the Transfer Roller Life

The two white plastic holder on each end of the transfer roller are wearing in a half moon shape. You won't see a half moon in the machine...