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Adding/changing copier developer

I have a bottle of developer. How do i change/add for Gestetner 2301.

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I tried finding the owners manual to this one and couldn't find one on Gestnetners website.

Usually the developer has to be done by removing the previous developer from the unit. Usually it has to be vacumed out. The delevloper is evenly applied and requires a service code to calibrate it.

Usually it requires a service technician to do it because if it isn't done properly it can cause copy quality problems since the toner to developer ratio has to be correct.

It isn't an easy thing to do as it is to replace the toner.

Posted on Jul 12, 2008


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MP2000 not loading toner

please check if the toner is not lumpy cos this can also cause that.
or also check the buttom of the toner bottle since the moto and the bottle may not have the same format .

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Even I change the tuner but it's appearse the same masseage to put a new ink or tuner

If the copies look fine it is the toner hopper. It does not remove the seal from the bottle when closed. If the copies are getting light it could be the developer unit has worn out bushings and gears thus it does not turn properly making it impossible to sense the toner level and the constant add toner message. Usually you can hear noise if this is the case. Look at the oriface where the toner drops into the photoconductor unit from the toner unit. Is it full of toner coming out the top? If so, time to replace the PCU.

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Am getting a functional errror on our gestetner dsc424 to replace developer units magenta and yellow. replaced both toners, but error message will not clear, even after turning off and then on again. can...

Did you mean what you are saying?
If the machine are telling you to change the DEVELOPER UNIT why did you change the toner and hoped to reset the massage?????????????
If the machine are telling you to change the developer unit you need to change the developer unit!!!!!
Do that and your problem is solved

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My gestetner DSM735 keeps saying add toner. replaced toner and developer still saying add toner

The first thing i can tell you is that is weird!!!!
Because if you change the developer that error should disappear. It could appear later but not in the moment because the developer already have toner and the TD sensor will read it.
And that's the question: When you said "replace developer" you mean just the developer or the DEVELOPER UNIT??? Is your TD sensor working good????

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Minolta EP2010 CSPro copier: Where does the develper bottle go??? I see the Toner MT 102a bottle but where does the Develper bottle install. Or does the toner bottle already have the develper filings?

When the developer is added during normal replacement, the developer bottle is installed in place of the toner bottle. Then when the F8 mode is initiated from the service mode the developer is added into the developer unit and automatically calibrated. This is only done after the old developer has been cleaned from the DV unit.
The toner bottle contains no developer. The developer is replaced separately and only needs to be changed about every 80,000 pages.
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Toner empty error stays on when toner bottle replaced. and remains on after "toner replenishment" selected

Toner add system is clogged. These machines take toner from the bottle and dumps it into a chamber. This chamber has a level sensor that tells the machine to rotate the bottle in oder to add toner. This is why you can see a spiral "flute" going around the toner bottle. Toner is added to the Imaging Unit from the toner chamber when needed by an auger running from the chamber thru 2 90 degree turns. If the machine runs trying to add toner you normally can hear the small motor and auger spinning. It makes sort of like a reer reer noise. When the bottle rotates it will make a thump thump noise. I know this all sounds funny but this is what is happening when the machine is adding toner. Now if you are hearing the reer reer noise at least that means it is trying to add toner. Don't put a lot of emphasis on it, just letting you know what is suppose to happen. If you hear both noises together and the machine runs for a few minutes before shutting down then it is not getting toner out of the bottle.
The long and short of it is that if you have the correct toner in the machine, and the seal was removed properly from the bottle then it should get toner unless there is a clog somewhere.

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Gestetner 3222

Open the front door and close it and check if the display reads loading toner. Try this for 3 times.
If Add toner indicator is still there, check that you had removed the black cap of the toner, before you replaced the toner bottle.
Remove the bottle from the holder and check inside the neck of the holder if there is something blocking the toner supply. (sometimes the inner plastic cap of the previous toner is stucked in the neck).
Check and clean the toner bottle holder unit.
Another problem can be worn gears in the lower development unit and within the dev. bias roller.
Good luck and please rate me, thanks.

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Thank you

The developer has to be changed by removing the old developer out with a vacuum cleaner. This includes removing it from the mag roller. It has to be applied evenly. Then a service program has to be ran to calibrate it. If any step is missed, the developer can be ruined and copy quality can get real bad.

The drum can be a messy project. The drum as well as the blade needs to be replaced.

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Ricoh 1018d won't add toner after installing toner bottle.

the part numbers are different for each toner from ricoh, Lanier, Savin and Gestetner. From what I recall is the bottles are different, check the old bottle vs new. Also if the machine had run very low you may have to open and close the fron cover several times, this intiates a toner feed program.

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