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Mazzer grinder leaking coffee from bottom of doser

Mazzer grinder is dropping coffee from the bottom of the doser chamber when you turn the grinder on.

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Posted on Jan 02, 2017

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SOURCE: Grinder spins but won't grind coffee

You have fill a water in your coffee grin

Posted on Jul 17, 2007

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  • 3 Answers

SOURCE: bypass doser malfunctions

Happens when the preground coffee is not ground fine enough, you may have to put the pre ground coffee in a manual coffee grinder to make it finer. The machine is not really designed to brew regular coffee grounds.

Posted on Jan 23, 2008

  • 1 Answer

SOURCE: Water Leaks from bottom of machine as coffee is dispensed?

I had this same problem. Open the front door, remove the dreg drawer and then remove the brewgroup. In the back you will see a pipe sticking down with an o-ring gasket on it. Below that is a channel and a little opening where rinse water is supposed to flow into the front drip tray. It gets clogged with grounds pretty easily. I filled a hose with some water and stuck it down there and blew through it until you can see water come out the front hole. It's a little hard to describe but I hope this fixes your problem, it did for me. I just have to do it once every couple months.

Posted on Dec 11, 2008

  • 20 Answers

SOURCE: The grinder on my Gaggia Titanium will spin, but

Does it sounds grinding beans or free spinning sound?If free spinning sound...Grinder mechanism is broken.

Posted on Dec 16, 2009

EsWorld
  • 1618 Answers

SOURCE: Hello. My Mazzer grinder doser Super Jolly (used

It could be that the switch failed, try this to check remove the top part or the grinder burrs and turn it on, if it turns then, grinder was jammed if not switch needs to be replaced.

Posted on Apr 12, 2010

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1 Answer

We have a Mazzer Super Jolly grinder and we can not get the dosing lever to move without pulling very hard while holding the machine with the other hand. Please help.


your doser mech is possibly gunked up with old grinds, first off try stripping it and cleaning it out, if that doesnt work you may need a new return spring but i think its far more likely to just need a good clean. this is from the mazzer mini but the doser design is pretty much the same so it should help you with disassembly
http://www.home-barista.com/grinders/mazzer-mini-component-photos-t3577.html

May 09, 2011 | Mazzer Coffee-grinder SUPER JOLLY Electric

1 Answer

How do I adjust the doser knob?


in the center of the star you have one screw and black knob, Release screw, adjust with black knob, than screw it back to prevent moving of knob

Jan 20, 2011 | Mazzer Coffee-grinder SUPER JOLLY Electric

1 Answer

I've had my Mazzer Mini for about 3 years. I grind about 1/2 lb per week. Today I went to grind and when I turned the timer switch nothing happened. Yes it is plugged in. I think it makes a popping...


1 check the supply wire to swich change if it is not ok 2 chek the swich change if it is not ok 3 if it is automatic check microswiches(one where ground coffee comes out and other below doser) clean from coffee upper swich and try. it block sometime from ground coffee 4 check the windings of electromotor give grinder for if it is not ok 5 check condensator change if it is not ok 6 try to spin the burrs by hand, check if they are not blocked. change bearings if it is not ok
if you need to change bearings you need advice how to open the motor.

Jan 05, 2011 | Mazzer Mini Burr Coffee Grinder

1 Answer

I have a mazzer luigi coffee grinder on which set is the best coffee you get


grinding setting is one simple operation but requires a bit patience:
1 turn on your grinder and continue setting to fine while burrs are spinning, you stop when you hear metal to metal touch sound(burrs maximally closed finest ginding) 2 from that point go back quarter of revolution and mark the spot where you stopped with marker to body of grinder and setting plate with one line 3 grind little amount of coffee only to fill one sector of dosser than test it at your machine(if it leaks too fast and with yellow color of cream you should go to more fine>><< if it does not leak from the filter holder or it leaks very slow you go to in opposite way. 4 you test grinding few times bit after each reset of plate grind little amount and take that in one other pot (that will provide to have pure new granulation) 5 after setting measure the grinded coffee that come out from doser it should be about 7 grams, better measurement you can get if you measure 10 doses in one place because you don't get never same amount from 6 sectors of doser.
PS: the pump pressure of coffee machine should be from 8 to 10 bar and steam pressure should be from 1.1 to 1.5 bar> depends on type of coffees you use.

Nov 14, 2010 | Mazzer Coffee-grinder SUPER JOLLY Electric

1 Answer

How do you change a mazzer mini from timer to manual


Once you have an on/off switch you will remove the bottom panel ans timer, you will see 4 wires, 2 brown and 2 blue. Just make sure you connect brown to brown and blue to blue on the correct terminals. Use your Ohmsmeter to correctly match terminals.

Sep 02, 2010 | Mazzer Grinder-doser MINI

1 Answer

Ground coffee does not come out


Try this, unplug grinder, vac out all beans, then turn grinder towards fine until you cannot turn the big nut in the center of the burr chamber with your fingers. Now turn adjuster towards coarse until you can barely move the middle nut(you should hear and feel the burs touching) now if you look around the edges of the adjustment ring you will see notches, pick a spot any spot just remember where you started, then turn 14 notches towards coarse, your grind should be almost perfect.

Jul 03, 2010 | Mazzer Grinder-doser MINI

1 Answer

Hello. My Mazzer grinder doser Super Jolly (used


It could be that the switch failed, try this to check remove the top part or the grinder burrs and turn it on, if it turns then, grinder was jammed if not switch needs to be replaced.

Apr 11, 2010 | Mazzer Coffee-grinder SUPER JOLLY Electric

2 Answers

Grind is like powder


There are 3 springs in the holes around the top neck of the machine, the top part which sits under the collar adjustment knob.

Mar 28, 2010 | Mazzer Grinder-doser MINI

1 Answer

Mazzer luigi super jolly


Easiest way to set the grind on the super jolly is to remove the beans, turn towards fine until you can barely move the middle stem in the grind chamber, then turn towards course about 12-14 notches on the grinding adjuster(not numbers but notches between numbers). If you still cannot get a fine grind and it is not a brand new grinder replace burrs.

Feb 28, 2009 | Mazzer Coffee-grinder SUPER JOLLY Electric

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