Guy open the magnetic catch-cup of J-Max grinder

User Manual – J-Max

1Zpresso – J-Max Grinder

J-Max manual coffee grinder
J-Max manual coffee grinder
J-Max grinder

User Instructions

J-Max manual coffee grinder

Adjustment

  1. The grinder is ready to use out of the box. Turn the adjustment dial ring counter-clockwise all the way to the starting point where the resistance starts and the crank handle can’t spin freely. The #0 will be aligned with the scale mark and the bottom edge of the adjustment dial ring will touch the first tier of the scale mark.
    jmax-coffee-grinder
  2. The pyramid-shaped scale mark consists of multiple squares that indicate how many rotations you are at, and it gets smaller while you set coarser settings.
  3. There are four and a half rotations in total. 90 clicks in a single rotation and each click moves the burr by 0.0088mm/8.8 microns.
  4. Turn the adjustment dial ring clockwise to find the grind setting:

    • Turkish Coffee – 70 clicks
    • Espresso – 120 clicks
    • Aeropress / Moka-pot – 190 clicks
    • Pour-over – 270 clicks
    • French press – 360 clicks

      Refer to the grind setting tutorial post for different brewing methods.

  5. Attach the rubber band to the grinder for a better grip.

    J-Max grinder


  6. Put coffee beans in the hopper and turn the handle clockwise to start grinding.
  7. Follow the guide to calibrate the grinder after disassembling and reassembling the grinder.

Disassembly

Warning: Do not loosen the burr ring unit before step 3.

J-Max manual coffee grinder
  • Turn the adjustment dial ring clockwise by around two rotations and remove the knurled thumb nut counter-clockwise while pressing the burr.
J-Max manual coffee grinder
  • Remove the upper bearing cap and upper bearing.
J-Max manual coffee grinder
  • Remove the burr and central shaft, spring and lower bearing cap.
J-Max manual coffee grinder
  • Turn the burr ring unit forward (reverse threads). Disassembling the adjustment dial ring is not suggested.
  • Do not clean the grinder with water. Cleaning with a brush and blower is recommended.

Assembly & Calibration

J-Max manual coffee grinder
  • Turn the burr ring unit backward (reverse threads) to the tightest position.
J-Max manual coffee grinder

  • Align the #0 with the scale mark and the bottom edge of the adjustment dial ring touches the first tier of the scale mark.
J-Max manual coffee grinder
  • Put the components back in the right sequence: lower bearing cap (the raised edge side facing upward), spring, shaft and burr.
J-Max manual coffee grinder
  • Put the upper bearing back from the top.
  • While pressing the burr from the bottom, put the upper bearing cap back. The side with concave dots faces upward, and the U-shaped hole fits the shaft properly.
J-Max manual coffee grinder
  • Tighten the knurled thumb nut to calibrate the grinder while pressing the burr from the bottom.

    Note: There are four and a half rotations in total counted from the starting point. The starting point might be different within ±10 clicks due to the strength you tighten the nut and dial.

Warning

Do not disassemble the following components any further:

J-Max manual coffee grinder

The Burr and Central Shaft

J-Max manual coffee grinder

Burr Ring Unit

J-Max manual coffee grinder

Bearings

Precautions

  • Do not clean and wash the grinder with water.
  • Do not wipe your grinder with solvents other than water and alcohol.
  • Keep the grinder in a dry environment in order to extend its lifetime.
  • Follow the instructions of re-assembly, ensure to place the components into the correct positions.
  • Keep the grinder away from children for safety concerns.
  • To prevent the knob from being damaged, putting the grinder and the handle in the case as below picture is suggested.
J-Max manual coffee grinder

JE-Plus Grinder

User Manual – Magnetic Catch-Cup

1Zpresso – Plus Operating Skills

Magnetic Catch-Cup / Powder Receiver

1Zpresso Magnetic Catch-Cup

  • Note: Kindly avoid hitting the catch-cup while grinding.
  • The peak-to-peak design of the magnetic catch-cup is able to be removed by turn/spin instead of pull.
Magnetic catch-cup of K-Plus
Magnetic catch-cup of K-Plus

Magnetic Bottomless Catch-Cup / Powder Receiver

1Zpresso Magnetic Catch-Cup
  • Magnetic Bottomless Catch-Cup / Powder Receiver fits 1Zpresso Coffee Maker Stainless Steel Powder Container and the 51/58mm Baskets.
  • Pulling leftward or rightward to remove the powder hammer to release the coffee ground to the above-mentioned portafilter or basket.
Magnetic catch-cup | K-Plus | JE-Plus grinder
Magnetic catch-cup of K-Plus

Changeable Catch-Cup / Powder Receiver

1Zpresso Magnetic Catch-Cup

A + B + E = Magnetic Catch-Cup / Powder Receiver

A + B + C + D = Magnetic Bottomless Catch-Cup / Powder Receiver

User Manual – K-Series (K-PRO / K-PLUS)

1Zpresso – K-Series (K-PRO / K-PLUS) Grinder

K-series manual coffee grinder
K-series manual coffee grinder

User Instructions

K-series manual coffee grinder

Adjusting the grind setting

  1. Turn the adjustment dial ring counter-clockwise to make the grinds finer and vice versa.
    The number (#) on the dial pointer indicates a finer or coarser grind setting.
    The smaller numbers refer to the finer grind setting, vice versa.
  2. There are 9 numbers/90 clicks in a single rotation; every clicks moves the burr by 0.022mm/22 microns.
  3. Ensure the grinder is well-calibrated after reassembling the grinder.
    Read the calibration guide below or the calibration tutorial post.
  4. Refer to the grind setting tutorial post for several brewing methods.

Coffee Grinding

  1. Remove the handle and put coffee beans into the hopper. The maximum capacity of K-Pro grinder is around 30~35g and K-Plus grinder is around 35g~40g.
  2. Grind coffee beans clockwise with the handle attached.
K-series manual coffee grinder

Disassembly

Demonstrating with the K-Plus grinder
Note: Kindly follow the step-by-step with the tutorial.

K-series manual coffee grinder
  • Turn the adjustment dial clockwise to the coarser grind setting as the burr moving down.
K-series manual coffee grinder
  • Loosen the knurled thumb nut counter-clockwise while pushing the burr and take out the upper bearing cap and the upper bearing.
K-series manual coffee grinder
  • Take out the shaft, burr, lower bearing cover and spring.
K-series manual coffee grinder
  • Remove the burr ring unit and the adjustment dial clockwise from the grinder.
  • Clean each of the parts with a brush and an air blower.

Assemble

K-series manual coffee grinder
  • Turn the adjustment dial counter-clockwise to the tightest position. Be sure to do not overtighten and stop when you feel resistance.
  • Turn the adjustment dial clockwise to the coarser grind setting.
K-series manual coffee grinder
  • Turn the burr ring unit counter-clockwise to the tightest position. Be sure to do not overtighten and stop when you feel resistance.
K-series manual coffee grinder
  • Put the components back in the right sequence: lower bearing cap (the raised edge side facing upward), spring, shaft and burr.
K-series manual coffee grinder
  • Put the components back in the right sequence while pressing the burr: upper bearing, upper bearing cap (the concave edge of the cap facing upward and ensure insert the upper bearing cap with correct direction).
K-series manual coffee grinder
  • Turn the knurled thumb nut clockwise while pushing the burr and stop when you feel resistance.
  • Turn the adjustment dial to the zero setting and observe its number (#) whether on the #0.
    Read the calibration guide below if not pointing at the #0.

Warning:
Do not attempt to disassemble or remove the following components:

K-series manual coffee grinder

The central shaft and the burr

K-series manual coffee grinder

The burr ring unit and the outer burr

K-series manual coffee grinder

The adjustment dial ring

K-series manual coffee grinder

The bearings

Calibrating the Adjustment Dial

  • You would need to either loosen or tighten the knurled thumb nut or the adjustment dial to calibrate the grinder. 
  • It is common for the starting point of the adjustment dial to be around two or more clicks away due to the strength you use to tighten the knurled thumb nut.

Instructions

K-series manual coffee grinder
  • Ensure to calibrate the grinder step by step.
  1. Turn adjustment dial ring counter-clockwise to the zero/tightest settings.
  2. Ensure the central shaft is not loose nor installed incorrectly.
  • The grinder is well-calibrated if the dot is at #0 when the adjustment dial ring is at its tightest position.
    Read the following steps for calibration if you don’t get #0 for the zero setting.

K-series manual coffee grinder

If the red dot is pointing at the right side of #0

  • Memorize how many clicks the red dot is away from “0”.
    Turn the adjustment dial ring clockwise to a coarser setting as the gap inside the adjustment dial ring enlarges.
  • Gently press the burr while loosening the knurled thumb nut counter-clockwise by the number of the click divided two.
    Turn/retighten the adjustment dial ring counter-clockwise to its zero settings and see what number (#) the red dot points at.
  • Repeat this step or the next step until the grinder is calibrated.
K-series manual coffee grinder

If the red dot is pointing at the left side of #0

  • Memorize how many clicks the red dot is away from “0”.
    Turn the adjustment dial ring counter-clockwise to a coarser setting as the gap inside the adjustment dial ring enlarges.
  • Gently press the burr while loosening the knurled thumb nut clockwise by the number of the click. 
    Turn/retighten the adjustment dial ring counter-clockwise to its zero settings and see what number (#) the red dot points at.
  • Repeat this step or the step above until the grinder is calibrated.

Precautions

  • Do not clean and wash the grinder with water.
  • Do not wipe your grinder with solvents other than water and alcohol.
  • Keep it in a dry environment in order to extend its lifetime.
  • Follow the instructions of re-assembly, ensure to place the components into the correct positions.
  • Keep the grinder away from children for safety concerns.

User Manual – J-Series

1Zpresso – J-Series

J-Series grinder
J-Series grinder

User Instructions

J-Series grinder
Adjust the dial clockwise for finer grinds.
Adjust the dial counter-clockwise for coarser grinds.

Adjusting the grind setting

  • Turn the adjustment dial clockwise to make the grinds finer and vice versa.
  1. Attach the crank handle and stop it from rotating.
  2. Turn the adjustment dial clockwise to the tightest.
    The number (#) marked at the dot is the starting point/zero point.
    NOTE: the number (#) might not be 0.
  3. Turn the adjustment dial counter-clockwise from the zero point to the grind setting you like.
  4. There are 10 numbers/30 clicks in a single rotation; every rotation moves the burr by 0.75mm.
  5. Grinds remaining in the grinder might make the zero points different.
  6. Kindly refer to the grind setting tutorial post for several brewing methods.

Coffee Grinding

  1. Put the coffee bean into the hopper after removing the handle. The maximum capacity is around 20g.
  2. Grind the coffee beans clockwise with the handle attached.
Q2 grinder

Deep Cleaning Guide

Note: Do not remove the Burr Ring Holder before step 2.

J-Series grinder
  • All 1Zpresso grinders are able to be disassembled without any tools. Install and well place the crank handle and stop it from rotating. Loosen the adjustment dial counter-clockwise to remove it.
J-Series grinder
  • The adjustment dial, inner burr, spring and lower bearing cap can be cleaned after the adjustment dial is removed.
J-Series grinder
  • Remove the burr ring unit clockwise from the body.
  • Clean each of the parts with a brush and an air blower.

Reassembly

J-Series grinder
  • Tighten the adjustment dial counter-clockwise to the tightest position.
J-Series grinder
  • Put the components back in the right sequence: lower bearing cap (the convex side facing upward), spring, burr and adjustment dial.

J-Series grinder
  • Tighten the adjustment dial counter-clockwise to the tightest with the crank handle fixed.

Warning:

Do not attempt to disassemble or remove the following components

J-Series grinder

The central shaft

J-Series grinder

The burr ring unit and outer burr

J-Series grinder

The bearings attached to the hopper

Precautions

  • Do not clean and wash the grinder with water.
  • Do not wipe your grinder with solvents other than water and alcohol.
  • Keep it in a dry environment in order to extend its lifetime.
  • Follow the instructions of re-assembly, ensure to place the components into the correct positions.
  • Keep the grinder away from children for safety concerns.

User Manual – JE-Plus

1Zpresso – JE-PLUS Grinder

JE-Plus grinder
JE-Plus grinder

User Instructions

JE-Plus grinder
Adjust the dial clockwise for finer grinds.
Adjust the dial counter-clockwise for coarser grinds.

Adjusting the grind setting

  • Turn the adjustment nut/adjustment dial clockwise to make the grinds finer and vice versa.
  1. Turn the adjustment dial clockwise to the tightest. The number (#) marked at the dot is the starting point/zero point. NOTE: the number (#) might not be 0.
    However, it is attainable if you like to calibrate to the #0. Kindly check out here or the tutorial below.
  2. Turn the adjustment dial counter-clockwise from the zero point to the grind setting you like.
  3. There are 10 numbers, 40 clicks and 0.5mm in a single rotation.
  4. Kindly refer to the grind setting tutorial post for several brewing methods.

Coffee Grinding

  1. Put the coffee bean into the hopper after removing the handle. The maximum capacity is around 35g~40g.
  2. Grind the coffee beans clockwise with the handle attached.
JE-Plus grinder

Disassemble

JE-Plus grinder
  • Loosen the adjustment dial counter-clockwise to remove it.
JE-Plus grinder
  • Remove the adjustment dial. Loosen the knurled thumb nut counter-clockwise while pushing the burr. Take off the top bearing cover, the top bearing and the sliding column/screw column.
JE-Plus grinder
  • Take out the shaft, burr, lower bearing cover and spring.
JE-Plus grinder
  • Remove the burr ring unit and the upper ring cap clockwise from the grinder.
  • Clean each of the parts with a brush and an air blower.

Assemble

JE-Plus grinder
  • Turn the upper ring cap and the upper ring cap counter-clockwise to the tightest position. Be sure to do not overtighten and stop when you feel resistance.
JE-Plus grinder
  • Put the components back in the right sequence: lower bearing cap (the convex side facing upward), spring, shaft and burr.
JE-Plus grinder
  • There is a dot at the back of the sliding column. Place the sliding column (which connects the dot from the sliding column to the dot from the adjustment dial) inside the hopper.
JE-Plus grinder
  • Put the components back in the right sequence while pressing the burr: sliding column, upper bearing, upper bearing cap (the concave edge of the cap facing upward).
JE-Plus grinder
  • Turn the knurled thumb nut clockwise while pushing the burr.
  • Tighten the adjustment dial clockwise and stop when you feel resistance.

Warning:
Do not attempt to disassemble or remove the following components:

JE-Plus Grinder manual coffee grinder

The central shaft and the burr

JE-Plus Grinder manual coffee grinder

The burr ring unit and outer burr

JE-Plus Grinder manual coffee grinder

The bearings

Calibrating the Adjustment Dial

  • You would need to either loosing or tightening the knurled thumb nut or the adjustment dial to perform calibrating the grinder. 
  • The numbers on the dial are designed for counting how many steps you’ve turned and therefore the starting point is not necessary to be at #0.
  • It is common for the starting point of the adjustment dial to be around two or more clicks away due to the strength level of securing the knurled thumb nut.

Instructions

JE-Plus grinder
  • The grinder is well-calibrated if the dot is at #0 when the adjustment dial is in its tightest position.
JE-Plus grinder
  • When the dot points to #1 instead of #0 at the tightest, please simply remove the adjustment dial (by twisting it counterclockwise).
    Adjust the knurled thumb nut counter-clockwise with 1 click.
  • Screw back the adjustment dial and the starting point should be at #0 (±2 clicks).
JE-Plus grinder
  • It is the same as step 2, simply remove the adjustment dial (by twisting it counterclockwise).
    Except for the dot points now is at #2, so you need to adjust the knurled thumb nut counter-clockwise with 2 clicks.
  • Screw back the adjustment dial and the starting point should be at #0 (±2 clicks).

Precautions

  • Do not clean and wash the grinder with water.
  • Do not wipe your grinder with solvents other than water and alcohol.
  • Keep it in a dry environment in order to extend its lifetime.
  • Follow the instructions of re-assembly, ensure to place the components into the correct positions.
  • Keep the grinder away from children for safety concerns.

User Manual – Q-Series

1Zpresso – Q-Series

Q2 grinder
Q2 grinder

User Instructions

Q2 grinder
Adjust the dial clockwise for finer grinds.
Adjust the dial counter-clockwise for coarser grinds.

Adjusting the grind setting

  • Turn the adjustment dial clockwise to make the grinds finer and vice versa.
  1. Attach the crank handle and stop it from rotating.
  2. Turn the adjustment dial clockwise to the tightest. The number (#) marked at the dot is the starting point/zero point.
    NOTE: the number (#) might not be 0.
  3. Turn the adjustment dial counter-clockwise from the zero point to the grind setting you like.
  4. There are 10 numbers/30 clicks in a single rotation; every rotation moves the burr by 0.75mm.
  5. Grinds remaining in the grinder might make the zero points different.
  6. Kindly refer to the grind setting tutorial post for several brewing methods.

Coffee Grinding

  1. Remove the handle and put coffee beans into the hopper. The maximum capacity is around 20g.
  2. Grind coffee beans clockwise with the handle attached.
Q2 grinder

Quick Cleaning Guide

Q2 grinder
  • Unscrew the grinder to clean the main parts. Grab the catch-cup with one hand and unscrew the body clockwise with the other hand.
  • Make sure there aren’t coffee grounds remaining on the threads and tighten the body counter-clockwise for reassembly.

Deep Cleaning Guide

Q2 grinder
  • All 1Zpresso grinders are able to be disassembled without any tools. Install and well place the crank handle and stop it from rotating and loosen the adjustment dial counter-clockwise to remove it.
Q2 grinder
  • The adjustment dial, inner burr, spring and lower bearing cap can be cleaned after the adjustment dial is removed.
  • Remove the crank handle to release the central shaft from the hopper.
Q2 grinder
  • Clean each of the parts with a brush and an air blower.

Reassembly

Q2 grinder
  • Press the central shaft back to the hopper and fix the crank handle.
Q2 grinder
  • Put the components back in the right sequence: lower bearing cap (the convex side facing upward), spring, burr and adjustment dial.

Q2 grinder
  • Tighten the adjustment dial counter-clockwise to the tightest with the crank handle fixed.

Warning:

Do not attempt to disassemble or remove the following components:
Q2 grinder

The burr ring unit and outer burr

Q2 grinder

The screws

Q2 grinder

The bearings attached to the hopper

Precautions

  • Do not clean and wash the grinder with water.
  • Do not wipe your grinder with solvents other than water and alcohol.
  • Keep it in a dry environment in order to extend its lifetime.
  • Follow the instructions of re-assembly, ensure to place the components into the correct positions.
  • Keep the grinder away from children for safety concerns.

User Manual – E-Series

1Zpresso – E-SERIES

E-series grinder
E-series grinder

User Instructions

E-series grinder
Adjust the dial clockwise for finer grinds.
Adjust the dial counter-clockwise for coarser grinds.

Adjusting the grind setting

  • Turn the adjustment dial clockwise to make the grinds finer and vice versa.
  1. Install and hold the crank handle.
  2. Turn the graduated dial clockwise to the tightest with your fingers. The number (#) marked at the dot is the starting point/zero point. NOTE: the number (#) might not be 0, it could be at #0 to #11.
  3. Turn the graduated dial counter-clockwise from the zero points to the grind setting you like.
  4. There are 12 numbers, 24 clicks and 0.5mm in a single rotation.
  5. The starting point might be different due to the position of the graduated dial and the crank handle.
  6. Kindly refer to the grind setting tutorial post for several brewing methods.

Coffee Grinding

  1. Put the coffee bean into the hopper after removing the crank handle and the graduated dial. The maximum capacity is around 20g.
  2. Grind the coffee beans clockwise with the crank handle and the graduated dial attached.
E-series grinder

Basic Cleaning

Q2 grinder
  • The grinder is able to be unscrewed for cleaning the main parts. Grab the catch-cup with one hand and unscrew the body clockwise with the other hand.
  • Make sure there are no coffee grinds remaining on the threads; tighten the body counter-clockwise for assembly.

Deep Cleaning

E-series grinder
  • All 1Zpresso grinders are able to be disassembled without any tools. Install and well place the crank handle and the graduated dial with one hand. Loosen the graduated dial clockwise to remove the components.
E-series grinder
  • Remove the graduated dial. Loosen the thumb nut counter-clockwise while pushing the burr. Take off the top bearing cover.
E-series grinder
  • Take out the shaft, lower bearing cover and spring.
  • Clean each of the parts with a brush and an air blower.

Assemble

E-series grinder
  • Put the components back in the right sequence: lower bearing cap (the convex side facing upward), spring and burr.
E-series grinder
  • And then place the top bearing cover. Tighten the thumb nut clockwise while pushing the burr. Last but not least, put back the graduated dial.

E-series grinder
  • Tighten the crank handle counter-clockwise with the graduated dial fixed until the crank handle is unable to swing.

Warning:
Do not attempt to disassemble or remove the following components:

E-series grinder

The central shaft and the burr

Q2 grinder

The burr ring unit and outer burr

E-series grinder

The bearings attached to the hopper

Precautions

  • Do not clean and wash the grinder with water.
  • Do not wipe your grinder with solvents other than water and alcohol.
  • Keep it in a dry environment in order to extend its lifetime.
  • Follow the instructions of re-assembly, ensure to place the components into the correct positions.
  • Keep the grinder away from children for safety concerns.

User Manual – E-Pro & Z-Pro Series

1Zpresso – E-Pro & Z-Pro SERIES

E-Pro & Z-Pro grinder
E-Pro & Z-Pro grinder

User Instructions

E-Pro & Z-Pro grinder

Adjusting the grind setting

  • Turn the adjustment dial clockwise to make the grinds finer and vice versa.
  • There are 6 numbers on the scale ring. Find the Red dot as shown in Fig A.
  • Adjust the scale ring clockwise to find your grind setting as the Red dot point at. The smaller numbers refer to finer grind, vice versa.

Grinding Degree Reference

Here is the recommend preference for each brewing method.

Brewing methodGrinding degreeExample
Turkish1.0~1.2Flour-like
Espresso1.5~2.5Salt-like
Siphon/Pour-over3.5~4.5Fine sugar-like
French Press4.5~5.5Granulated sugar-like

Coffee Grinding

  1. Put the coffee bean into the hopper after removing the handle.
    The maximum capacity is around 30g.
  2. Grind the coffee beans clockwise with the handle attached.
E-Pro & Z-Pro grinder

Precautions

  • Do not clean and wash the grinder with water.
  • Do not wipe your grinder with solvents other than water and alcohol.
  • Keep it in a dry environment in order to extend its lifetime.
  • Follow the instructions of re-assembly, ensure to place the components into the correct positions.
  • Keep the grinder away from children for safety concerns.

User Manual – JX-Pro

1Zpresso – JX-Pro Grinder

JX-Pro manual coffee grinder
JX-Pro manual coffee grinder

User Instructions

JX-Pro grinder
Adjust the dial clockwise for finer grinds.
Adjust the dial counter-clockwise for coarser grinds.

Adjusting the grind setting

  • Turn the adjustment nut/adjustment dial clockwise to make the grinds finer and vice versa.
  1. Turn the adjustment dial clockwise to the tightest. The number (#) marked at the dot is the starting point/zero point.
    NOTE: the number (#) might not be 0; however, it is attainable if you like to calibrate to the #0. Check out here or the tutorial below.
  2. Turn the adjustment dial counter-clockwise from the zero point to the grind setting you like.
  3. There are 10 numbers/40 clicks in a single rotation. Every rotation moves the burr by 0.5mm.
  4. Refer to the grind setting tutorial post for several brewing methods.

Coffee Grinding

  1. Remove the handle and put coffee beans into the hopper. The maximum capacity is around 30g~35g.
  2. Grind coffee beans clockwise with the handle attached.
JX-Pro manual coffee grinder

Disassembly

JX-Pro manual coffee grinder
  • Loosen the adjustment dial counter-clockwise to remove it.
JX-Pro manual coffee grinder
  • Remove the adjustment dial. Loosen the knurled thumb nut counter-clockwise while pushing the burr from the bottom. Take out the top bearing cover, the top bearing and the sliding column/screw column.
JX-Pro manual coffee grinder
  • Take out the shaft, burr, lower bearing cover and spring.
JX-Pro manual coffee grinder
  • Turn the burr ring unit and the upper ring cap clockwise to remove them from the grinder.
  • Clean each of the parts with a brush and an air blower.

Assembly

JX-Pro manual coffee grinder
  • Turn the burr ring unit and the upper ring cap counter-clockwise to the tightest position. Be sure to do not overtighten and stop when you feel resistance.
JX-Pro manual coffee grinder
  • Put the components back in the right sequence: lower bearing cap (the raised edge side facing upward), spring, shaft and burr.
JX-Pro manual coffee grinder
  • There is a dot at the back of the sliding column. Place the sliding column (which connects the dot at the sliding column to the dot at the adjustment dial) inside the hopper.
JX-Pro manual coffee grinder
  • Put the components back in the right sequence while pressing the burr: sliding column, upper bearing, upper bearing cap (the concave edge of the cap facing upward).
JX-Pro manual coffee grinder
  • Turn the knurled thumb nut clockwise while pushing the burr.
  • Tighten the adjustment dial clockwise and stop when you feel resistance.

Warning:

Do not attempt to disassemble or remove the following components any further:
JX-Pro manual coffee grinder

The central shaft and the burr

JX-Pro manual coffee grinder

The burr ring unit and outer burr

JX-Pro manual coffee grinder

The bearings attached to the upper shaft hopper

Calibrating the Adjustment Dial

  • You would need to either loosing or tightening the knurled thumb nut or the adjustment dial to calibrate the grinder. 
  • The numbers on the dial are designed to count how many steps you’ve turned and therefore the starting point is not necessary to be at #0.
  • It is common for the starting point of the adjustment dial to be around two or more clicks away due to the strength of tightening the knurled thumb nut.

Instructions

JX-Pro manual coffee grinder
  • The grinder is well-calibrated if the dot is at #0 when the adjustment dial is in its tightest position.
JX-Pro manual coffee grinder
  • When the dot points to #1 instead of #0 at the tightest, please simply remove the adjustment dial (by twisting it counterclockwise).
    Adjust the knurled thumb nut counter-clockwise with 1 click.
  • Screw back the adjustment dial and the starting point should be at #0 (±2 clicks).

JX-Pro manual coffee grinder
  • It is the same as step 2, simply remove the adjustment dial (by twisting it counterclockwise).
    Except for the dot points now is at #2, so you need to adjust the knurled thumb nut counter-clockwise with 2 clicks.
  • Screw back the adjustment dial and the starting point should be at #0 (±2 clicks).

Precautions

  • Do not clean and wash the grinder with water.
  • Do not wipe your grinder with solvents other than water and alcohol.
  • Keep it in a dry environment in order to extend its lifetime.
  • Follow the instructions of re-assembly and ensure to place the components into the correct positions.
  • Keep the grinder away from children for safety concerns.



Our office will be closed from Sep 18th to 21st (GMT+8) due to the Moon Festival.
Orders placed during this period will be shipped after Sep 22nd.

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