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La Marzocco USA 

 |  1553 NW Ballard Way — Seattle, WA 98107

T. 206.706.9104  |  F. 206.706.9106  |  [email protected]  |  www.lamarzoccousa.com

an adjustment disk hole for the disk 
stopping pin.

iv. 

Install and tighten the disk stopping 
pin.

4. 

Stop grinding

5. 

Tighten the disk stopping pin.

a. 

Purge at least two doses of coffee after 
making an adjustment before pulling an 
espresso shot. This ensures the espresso 
being brewed is using the 

new

 grind setting.

Ring Zeroing

Your Major V, Robur S, and/or Kony S comes with an 
adjustable numbered ring on the adjustment disk. 
This numbered ring may be used to indicate where the 
burrs touch, or for an initial grind adjustment setting. 
From the factory the numbered ring is set such that 
0 (zero) corresponds to the burrs touching. To change 
the adjustment of the numbered ring, do the following:

1. 

Turn off grinder using main power switch.

2. 

Close hopper gate and remove hopper.

3. 

Loosen and remove disk stopping pin.

4. 

Loosen, but do not remove, the two Phillips head 

ring setscrews using a Phillips screwdriver.

5. 

Rotate the numbered rind to the desired position 
and tighten ring setscrews.

6. 

Reassemble in reverse order.

Electronic Grinder Interface

Display Overview

Changing the Operating Mode (Major V, Kony S only)

There is an activation pin switch on the body of 
the grinder that may be used to activate grinding. 
To change the operating mode from 

Keyboard, 

the 

default, to 

Portafilter

, and vice versa, press the menu 

button, 

, then press the activation pin switch. 

The display will show the new operating mode and, 
after a few moments, return to the standby screen. In 

Portafilter

 mode the user will select the dose on the 

keypad first. To grind, press the portafilter into the 
activation pin switch. The dose does not need to be 
selected after each activation. The selected dose will 
remain until the user changes it.

NUMBERED RING

RING SET SCREW

DISPLAY

MENU/SELECTION BUTTON

CANCEL BUTTON

PUSH BUTTON FOR MANUAL GRINDING

DOSE BUTTONS (1, 2, 3)

NAVIGATION BUTTONS

DATE AND TIME

ALERTS

INCREMENTAL COUNTER

DECREMENTAL COUNTER

PRESET TIMES FOR DOSES 1, 2, 3

MANUAL BUTTON STATE ICON (ON/OFF)

DISPLAY IN STANDBY

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