Clean Tutorial for 1Zpresso Internal Adjustment Grinder

This tutorial is for the Q2 S JE J grinder

Greetings, fellow coffer-lovers.
This tutorial allows you to learn how to clean a 1Zpresso internal adjustment grinder.

How often do you clean your 1Zpresso manual coffee grinder? Proper maintenance could prolong the lifetime of your grinder. We advise customers to dismantle the grinder once a month for cleaning and maintenance. The grinder could be dismantled without any tool.

Here is a reassembly tutorial for the internal adjustment mechanism of the Q2 S & the JE & the J grinder. You also can find a cleaning and maintenance tutorial of the top adjustment and external adjustment from our blog.
Images below demonstrate the reassembly of JX grinder.

Table of Contents

Disassembly of Internal Adjustment Grinder

Step 1

Use your non-dominant hand to grab the top of the grinder and use the dominant hand to remove the catch cup by turn counter-clockwise.

JX grinder

Step 2

Turn adjustment counter-clockwise till adjustment dial fell off and remove the burr set. Take it out of the spring and the bearing cap..


Step 3

Attaching the catch-cup to remove the outer burr ring by turning clockwise.

Note: the outer burr ring unable to remove without taking out the burr set.

JX grinder

Step 4

Take out the pc lid by turn counter-clockwise throughout cleaning. Apply some strength to detach the wooden ball.

Clean it with the brush and be sure do not to apply water to wash it.

Reassembling JX grinder
Step 4.1

There is another design of the crank handle. It needs a 6mm hex key/Allen key to remove the pc lid by turning counter-clockwise.

Crank handle

Reassembly of Internal Adjustment Grinder

Step 5

Put the wooden ball into the crank handle till you hear a click sound and tighten the pc lid by turn clockwise. Install the crank handle in the central shaft.

Turn the outer ring burr counter-clockwise to secure. Place the pieces in order to ensure the grinder works perfectly. The protruding side of the bearing cap consider facing upward, then the spring.

There are two sides of the bearing cap, the flat side and the protruding side.
Step 5.1

Followed by step 4.1 – Apply a 6mm hex key/Allen key to install the pc lid by turning clockwise till it tightens.

Crank handle

Step 6

Install the burr set and the adjustment dial by turn clockwise to tighten the grinder till the crank handle unable to move dramatically.

And your 1Zpresso manual coffee grinder is ready to go.

Be sure to check out the rectangle shape to install the burr set correctly
JX Grinder

Video tutorial - CC for English Subtitle

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(For example: JX $129 + Shipping $10 = Total $139)

If YouYou’ll Receive
Cancel before an item is shippedfull refund (item’s price + shipping)
= $139
Return an item in original condition within 7 calendar days from the date you received it100% of the item’s price
= $129
Return an item in original condition over 7 calendar days from the date you received it80% of the item’s price
= 129*0.8 = $103.2

*Any customs duty or relevant charges incurred will be deducted from the refund. (The table above does not include additional charges.)


*A refund request over 7 calendar days from the date you received an item will be refunded partially (80% of the item’s price) and might be denied since the item has been used.