MPC4500 Asking for K toner

[copier tech]

I have an mpc4500 that I visited for SC553, I reset this, restarted the mfd & now it just sits asking for k toner but I can feel the toner tube is full!
reading on this forum I suspect a failed toner pump?

[walterman]

Re: MPC4500 Asking for K toner

Start with vacuuming out the entire toner system, especially the pump. If that does not work, you may have to replace the toner pump.

[Zaxxon]

Re: MPC4500 Asking for K toner

Walterman is 100% on the right track.

[mrwho]

Re: MPC4500 Asking for K toner

As a temporary measure, try to disable the toner end detection. Most of the times my customers can keep on using the machine until I stop by to replace the toner pump (don't forget to reenable toner end detection afterwards).

[copier tech]

Re: MPC4500 Asking for K toner

As a temperary messure I manually added toner to the PCDU by pouring toner in by hand!

When it comes back in i'll try & vav the pump out, I guess i'll need to remove it first?

[Ahmed Bushara]

Re: MPC4500 Asking for K toner

Hi you need to replace k pump before that you should check. Toner cartridge if it damage or not and clean toner tunk to be shoor to be in save replace toner cartridge. Also

[bob marley]

Re: MPC4500 Asking for K toner

It could be a defective pump , toner nozzle assembly, blocked toner tube , or a defective RFID board

[RRodgers]

Re: MPC4500 Asking for K toner

9 times out of 10 for me it was a bad pump. I've been teaching customers how to check for an empty toner bottle with their two fingers.

[copier tech]

Re: MPC4500 Asking for K toner

Thanks, I read on here that it is possible to swap the K pump with the M as a test, is this true as the part numbers are different!?

[Coptech]

Re: MPC4500 Asking for K toner

Thanks, I read on here that it is possible to swap the K pump with the M as a test, is this true as the part numbers are different!?

I suppose it is possible but it will dump the wrong colored toner that is in it in the wrong dev unit.

[Zaxxon]

Re: MPC4500 Asking for K toner

I only stock the Y pump and throwing them in mpc 2500 - 3500 not perfect fit but fine with me

[copier tech]

Re: MPC4500 Asking for K toner

Once again this site has helped me out!
I swapped the M & K pumps round & now the machine adds K toner fine, so obviously now soon will get a magenta toner issue but hopefully the new K pump will arrive before then!

Thanks guys 😎

[RRodgers]

Re: MPC4500 Asking for K toner

I only stock the Y pump and throwing them in mpc 2500 - 3500 not perfect fit but fine with me

All the pumps are the same, the only difference is tube length.

[copier tech]

Re: MPC4500 Asking for K toner

I noticed this, had to stretch the pipe slightly to make it fit, it's only a temporary meassure

[Zaxxon]

Re: MPC4500 Asking for K toner

All the pumps are the same, the only difference is tube length.

No, the angle of the tube fitting is different on the pumps, but the tube will fit (kind of) anyway