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  • Mazzer Mini - Dosage Size

    I recently bought a new 09 Mazzer Mini and have been trying to get everything all tuned. The problem I am finding is that the doses coming out seem to be only about 2/3 of a full dose. I have adjusted the dosage bolt in the doser, but it doesnt seem to make a huge difference.

    Following the instructions in the manual, it says to determine the grind level, grind small amounts of coffee to test etc. etc. which is what I have also been doing. So I grind about enough to overfill the first chamber (under the shute). Is it possible that I am not grinding enough coffee at the moment to place enough pressure into the chamber to fill enough coffee?

    Any help please?

    Thanks.

  • #2
    Re: Mazzer Mini - Dosage Size

    Originally posted by 69786F676B696263646F0A0 link=1263242505/0#0 date=1263242505
    I recently bought a new 09 Mazzer Mini and have been trying to get everything all tuned.  The problem I am finding is that the doses coming out seem to be only about 2/3 of a full dose.  I have adjusted the dosage bolt in the doser, but it doesnt seem to make a huge difference.

    Following the instructions in the manual, it says to determine the grind level, grind small amounts of coffee to test etc. etc. which is what I have also been doing.  So I grind about enough to overfill the first chamber (under the shute).  Is it possible that I am not grinding enough coffee at the moment to place enough pressure into the chamber to fill enough coffee?

    Any help please?

    Thanks.
    Hello Crema,

    If you want to attempt to dose by drop (with stale coffee ), you will need the entire dosing chamber to be at least 1/2 full.

    My suggestion is that you learn to free dose and then you wont need to worry.

    Comment


    • #3
      Re: Mazzer Mini - Dosage Size

      Originally posted by 702F37212A212D242427272F232C420 link=1263242505/1#1 date=1263242686
      My suggestion is that you learn to free dose and then you wont need to worry.
      Thanks 2mcm. How does that work? Any hints?

      Comment


      • #4
        Re: Mazzer Mini - Dosage Size

        Originally posted by 3C2D3A323E3C3736313A5F0 link=1263242505/2#2 date=1263242872
        Originally posted by 702F37212A212D242427272F232C420 link=1263242505/1#1 date=1263242686
        My suggestion is that you learn to free dose and then you wont need to worry.
        Thanks 2mcm.  How does that work?  Any hints?

        Watch the grinding & dosing segment of http://www.espressocompany.com.au/how-to.htm

        Comment


        • #5
          Re: Mazzer Mini - Dosage Size

          Originally posted by 6372656D616368696E65000 link=1263242505/2#2 date=1263242872
          Thanks 2mcm.How does that work?Any hints?
          Dont rely on the doser to determine how much is added to the filter basket. Dose according to what is required to pour a good shot.

          I only add enough to the hopper for the shot(s) I am preparing - roughly 1/4 cup per shot. Then I grind to a mound, gently tap the group handle on the bench to collapse the mound and settle the grinds then top up, level off and then tamp.

          The doser is intended to operate when there is a full hopper, as would happen in a cafe. The weight of the grounds in the hopper would assist with the correct dosage.

          To preserve bean freshness, many (including me) believe it is better to only add enough beans for the current shot(s).

          I have done the sweeper mod (search form it on CS or google) thus I dial the doser adjustment down so the sweeper with the tape attached sweeps the doser floor cleaner.

          Comment


          • #6
            Re: Mazzer Mini - Dosage Size

            Just put in enough beans for the shot in the hopper, grind, then as its grinding place group handle under the doser and thwack thwack continuously as its grinding into the group handle till its all gone......easyer answer



            Edit: ya beat me Flynn!

            Comment


            • #7
              Re: Mazzer Mini - Dosage Size

              Originally posted by 5B5F796060657A6D620C0 link=1263242505/5#5 date=1263243563
              Just put in enough beans for the shot in the hopper
              Really cant recommend that method as it encourages inconsistent grind. Free dosing is not difficult to learn and is a much better way of dosing IMHO. Its a skill that anyone purporting to be a "barista" should have mastered.

              Comment


              • #8
                Re: Mazzer Mini - Dosage Size

                Originally posted by 313B2E3939362224570 link=1263242505/4#4 date=1263243397
                The doser is intended to operate when there is a full hopper, as would happen in a cafe. The weight of the grounds in the hopper would assist with the correct dosage.
                Excellent.

                Video was helpful as well 2mcm. Thanks.

                So it is almost like having a doserless arrangement, however, in the case the ground coffee is just being passed through the doser rather than direct.

                Originally posted by 313B2E3939362224570 link=1263242505/4#4 date=1263243397
                To preserve bean freshness, many (including me) believe it is better to only add enough beans for the current shot(s).
                Just on your point Flynn_Aus, how long do you think is reasonable to keep beans in the doser for? 24 hours or so?

                Comment


                • #9
                  Re: Mazzer Mini - Dosage Size

                  Originally posted by 7E6F78707C7E757473781D0 link=1263242505/7#7 date=1263243767
                  Just on your point Flynn_Aus, how long do you think is reasonable to keep beans in the doser for?24 hours or so?
                  A matter for conjecture. As I and WSully said, we dont keep our beans in the hopper at all; only add enough for the coffee we are preparing at that time.

                  You could probably get away with 24 hours but beans deteriorate swith heat and light and the clear Mazzer hopper means the beans will be affected by both - especially in summer. In a cafe, the turnover of beans is such that the beans wouldnt remain in the hopper for long.

                  Comment


                  • #10
                    Re: Mazzer Mini - Dosage Size

                    But then you go back to the issue that Chris raised - do you compromise on bean deterioration or grind consistency?

                    Comment


                    • #11
                      Re: Mazzer Mini - Dosage Size

                      Originally posted by 4D454A4C441E1B2F0 link=1263242505/9#9 date=1263252230
                      do you compromise on bean deterioration or grind consistency?  
                      For small volume usage that home users like us use I  think minimising bean deterioration is much more important. The grind consistency wont be affected - the ability to consistently dispense set dose amounts is the tradeoff.

                      For domestic use, I certainly wouldnt be worrying about keeping the doser topped up unless you suddenly find you have many more friends popping round than you anticipated  

                      Comment


                      • #12
                        Re: Mazzer Mini - Dosage Size

                        Originally posted by 22283D2A2A253137440 link=1263242505/10#10 date=1263254193

                        For small volume usage that home users like us use I  think minimising bean deterioration is much more important. The grind consistency wont be affected - the ability to consistently dispense set dose amounts is the tradeoff.
                        Why wont the grind consistency (do you mean quality?) be affected for home users when grinding with an empty hopper?

                        Are you implying that it is only an issue in a commercial environment? :-?

                        Comment


                        • #13
                          Re: Mazzer Mini - Dosage Size

                          Originally posted by 2A3B2C24282A2120272C490 link=1263242505/7#7 date=1263243767

                          So it is almost like having a doserless arrangement, however, in the case the ground coffee is just being passed through the doser rather than direct.
                          Thats pretty much it, the doser is used to store the grinds until they are transferred to the group handle. The sweeping motion of the dosing chamber helps to reduce the clumps and evenly distribute the grinds before tamping. Doserless grinders tend to clump more as a generalisation.

                          Just a not to avoid confusion:
                          You are being a little careless in your usage of the words hopper and doser. The hopper is where the beans go at the top of the grinder and the doser is where the coffee sits before being transferred to the group handle. You mentioned beans in the doser

                          Comment


                          • #14
                            Re: Mazzer Mini - Dosage Size

                            Originally posted by 366971676C676B6262616169656A040 link=1263242505/6#6 date=1263243739
                            Originally posted by 5B5F796060657A6D620C0 link=1263242505/5#5 date=1263243563
                            Just put in enough beans for the shot in the hopper
                            Really cant recommend that method as it encourages inconsistent grind. Free dosing is not difficult to learn and is a much better way of dosing IMHO. Its a skill that anyone purporting to be a "barista" should have mastered.
                            This is the method i have been using for a long time, on advice by many CSs , so are you saying we are better off loading up with say 200g in the hopper, grinding for a double, then remove the hopper and pour beans back in to the one-way valve bag for use later? then vacuuming out the half ground beans out of the top of the grinder after the hopper is removed? in a domestic situation?? too much for me....... :P

                            Comment


                            • #15
                              Re: Mazzer Mini - Dosage Size

                              Originally posted by 3234232832352D2F460 link=1263242505/11#11 date=1263255771
                              Why wont the grind consistency (do you mean quality?) be affected for home users when grinding with an empty hopper?
                              i believe what it means is that when you grind with just say......20grams of beans in the hopper, the beans will bounce around without having sufficient downward pressure from the weight of the other beans in the hopper, beans bouncing into the burrs (not being slowly swallowed up)would promote an inconsistent grind size and quality.......domestic or commercial.....


                              Man thats the worst english ever! ;D

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