mp c3500 not adding toner black

[Bantams]

Re: mp c3500 not adding toner black

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[Llama God]

Re: mp c3500 not adding toner black

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Paul will not like that...but I do!

[AyJayAreDii]

Re: mp c3500 not adding toner black

pumps are working (swapped them, they are identical)

Sometimes when they are swapped i have had to run though the add toner process a good few times to get the levels back. It is the pump too often to not to try simply replacing it.

[FMC]

Re: mp c3500 not adding toner black

It could be the toner bottle detect board at the back. I've had one or two of those go before after replacing the pump(s) to no avail.

[Oze]

Re: mp c3500 not adding toner black

You COULD try the NVRAM/Engine clear but it's mostly the fix for the MPC2500/2800/3000 range.
If the dev unit is well over life you may as well change that at the same time....as everyone has stated it's usually either a blocked pipe or a pump on the 3500/4500.

[tcs04]

Re: mp c3500 not adding toner black

Paul will not like that...but I do!

x2

[Dexor]

Re: mp c3500 not adding toner black

thanks everyone for your input, it's all taken into consideration as it is likely to happen again, and likely for different reasons.
But in this case it was the controller board - yes, controller board. We had a few machines doing weird things after thunderstorms in July and August - surge protectors are a must!

[spaceman99]

Re: mp c3500 not adding toner black

Add Toner = Print off a Non default smc if you can. Drop the NVRAM full reset. Load in the non default settins and set up the registration. VERY INPORTANT to do the reg.

This will sort it.

Fault caused by the Chip in the toner bottle not given the correct MR reading to the BCU causing add toner. One way to see this is turning on toner icons in SP 5--- . Your see one of the colours missing.
This works every time for me.

Good luck