SIDEWALK SALE – Quamar Q50E Electronic Stepped Doserless Espresso Coffee Grinder OPEN BOX (E013)


In-Store Purchase ONLY. NO Shipping. NO Payment by phone. First come first serve. For more info: SIDEWALK SALES


This coffee grinder is sold as an open box.

For this batch of the Quamar espresso coffee grinders, it can’t grind fine enough for some espresso machines. It can be used for regular coffee or with pressurized baskets.

There will be no warranty on this grinder.

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Quamar Q50E Electronic Stepped Doserless Espresso Coffee Grinder


Grinding adjustment
  • Stepped – Adjustment dial is located underneath the hopper. The entire dial has a numbering system so you can remember your current grind setting easier. Turn clockwise for a coarser grind and counterclockwise for a finer grind.
  • Setting lock – A setting lock button keeps your current setting. This helps prevent users from accidentally altering it and spending time to find your correct setting again.
Grinding burrs:
  • Flat burrs – Large size at 54 mm. The larger the size, the more of a grinding surface, resulting in faster production.
  • High rpm – Faster spinning rate at 1400 rpm. The higher the speed, the faster the production, which can increase efficiency and reduce wait times.
  • Easy access – Remove the bean hopper. Turn the grinding adjust to the coarser direction until the top assembly comes off. This will give you access to the burrs and the grinding chamber. The burrs themselves are held in with Allen key screws.
Electronic controls:
  • Multiple dosing options – There are 3 dosing options. Single dose, double dose, and manual dose.
  • Time based grinding – You can adjust the the time for each automatic dose up to 640 seconds max. Adjustments change by 0.05 second increments.
  • Power save mode – You can set the LCD display to dim after a certain time (from 1 minute to 999 minutes).
  • Burr replacement – You can set an alert for when your grinding burrs will need to be replaced (up to 200,000 doses or can turn off at 0 setting). Recommended setting is at 50,000.
  • BAR message – Customize your LCD display with a short message (ex. the current blend of beans in the hopper).
  • Brightness option – The brightness of the LCD display can be adjusted up or down to your comfort level.
  • Dosing count – This helps keep track of usage. Displays the total count (from 1st use), partial count (from last reset), and missing count (amount remaining until burr replacement alert).
  • Language option – A total of 8 languages available: Italian, English, German, French, Dutch, Spanish, Portuguese, Polish.
  • Password protection – You can enable a password so other users cannot change your settings.
Bean hopper:
  • Low profile – The total height of the grinder without the hopper is a little under 12″. The bean hopper adds another 4.5″ bringing the total height to approximately 16.5″. The total capacity is approximately 1/2 pound of whole coffee beans, about a quarter of the size of a standard kilo bag.
  • Set screw – Secures the hopper to the grinder. This serves as a reminder for users from quickly removing an already filled bean hopper.
  • Fingerguard – Prevents users from “accidentally” putting their fingers in the grinding burrs.
  • Stopper – A door near the bottom of the hopper can be pushed in to close the opening. This allows you to remove the hopper with beans inside so you can easily change the beans. There will be some beans already in the burrs which will have to grind out first before removing the hopper.
Portafilter fork:
  • Ease of use – Allows you to rest your portafilter while grinding. Accommodates most portafilters. The clearance from the fork to the funnel is approximately 2.625″.
  • Removable – The fork can be removed if you wish to grind into a container. There are 2 Phillips screws that hold the fork in place. The clearance from the funnel is approximately 5″.
Accessories included:
  • Tamper – A cheap plastic tamper. You can use as a backup just in case you lose your current one.
  • Instruction manual – Written in 6 languages: Italian, Spanish, Polish, English, French, German. Instructions also work for the M80, Q13, & T48 models.

If you like this Quamar Espresso Coffee Grinder, take a look at our other espresso grinder manufacturers.



Height (inches)

16.5, approximate

Width (inches)

7, approximate

Depth (inches)

10.5, approximate

Weight (pounds)


Wattage (watts)


Voltage (volts)

110 – 120

Burr size (mm), Type

54, flat

Grinding speed (RPM)


Hopper capacity (grams)


Country of manufacture




  1. Changing grind settings: As with all coffee grinders, it is very important to only change grind settings when the unit is powered ‘on’ and the burrs are in motion. If you do not do this, the burrs will ‘gunk’ up and require cleaning by you every time this occurs. Changing the grind settings when the burrs are not in motion will render the grinder to only produce very coarse grinds or no grinds at all. If this result occurs, this will be considered operator error for lack of following directions, and not be classified as a defective grinder.
  2. Finding coffee grinds in a new grinder: We have confirmed that the manufacturer tests EVERY grinder with coffee beans before it leaves their facility, but they are not always able to get every trace of coffee out of the grinders after testing. As a result, you may find coffee beans or grinds inside your grinder, or there may be grinds in the packaging when you unwrap it.
  3. Static issues: There are static issues with all grinders, even the highest quality models. We firmly believe that the static comes from the coffee beans. If you are having static problems with your coffee grinder, trying using a different blend of beans.
  4. Replacing burrs: NEVER use a flat head screwdriver and hammer to wedge under the burrs for removal. This could badly damage your grinder.
  5. Electrical cord: Please note that the electrical cord is placed between the packaging (foam or cardboard) and the underside body of the grinder. During shipping, it is normal for a bend or insignificant blemish / slice to damage the cord.

  1. Manual switch models: These models are no longer being produced by the factory.

Espresso Grinder Warning

  • CLEANING WARNING: We recommend using grinder cleaning agents. We do not recommend any removal of the burrs or burr carrier for cleaning as re-assembly can cause damage.
  • ELECTRICAL WARNING: To avoid electrical damage to this espresso grinder which is not considered a manufacturer's defect, please acquire and install a single-outlet surge suppressor rated at 1080 joules or higher. The lack of the recommended surge suppressor, the espresso grinder can be damaged at the power switch, the capacitor, the motor, or the wiring.

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