How to use electric pencil sharpener more effectively? What problems do you want to know about the pencil sharpener?

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 Q1 Why do some pencil sharpeners have 1 hole, some have 2 holes, and some have many holes?
A1 It depends on different pencils have different diameters. Usually students usually use a pencil with a diameter of 8mm or less.
There are many types of pencils for painting, and the largest one with a diameter of 12mm.

Q2 Why the sharpener hasn’t sharpened when it has been using for a long time?
A2 Because the blade and the spiral knife have a certain service life, the common blade on the market is generally 150 times, while ours are 1500 times, and the life of the spiral knife is 3000-5000 times. Different demand depends on different quality request.

Q3 Who will use electric pencil sharpener?
A3 Students, teachers, designers, painters, etc.

Q4 Why is your electric pencil sharpener equipped with a USB cable instead of a battery or power supply?
A4 With USB cable can be connected to the computer, as well as 2A high-current charger, charging treasure work, easy to operate. The battery is inconvenient to transport and can be purchased in every country (4 AA batteries); the high cost of the power supply is equivalent to the cost of an electric pencil sharpener. You can use the charging treasure or 6V power plug to connect the USB cable.

Q5 What if overuse the electric pencil sharpeners?
A5 It is recommended to use 50 times and let the pencil sharpener rest for 10 minutes.

Q6 Can an electric pencil sharpener cut an eyeliner or eyebrow pencil?
A6 Both the eyeliner and the eyebrow pencil are powdery. It is easy to break, so it can't be used to electric pencil sharpener.

Q7 How loud is it when sharpening?
A7 The normal cutting noise is less than 75 dB.

Q8 How to choose the right electric pencil sharpener?
A8 A good pencil sharpener must have a safety switch, long service life, very durable, suitable nib tip, small and easy to carry.

Q9 Can students in the first, second and third grades take electric pencil sharpener to school?
A9 It is not recommended to bring to school because the electric pencil sharpener is used during class. The noise will affect other students. The best way is to cut the pencil beforehand.

Q10 How long does it take for a pencil to become sharp?
A10 The first cutting takes 8-12 seconds, and the second cutting takes only 3-5 seconds; It depends on the hardness of different pencil material.

Q11 Which of your electric pencil sharpeners can sharp colored pencils?
A11 JD3016/JD3018 spiral electric pencil sharpener is more suitable for cutting colored pencils

Q12 If you cut a large pencil, choose which pencil sharpener is better?
A12 Two or three holes, such as our product model: JD3006-2 and JD3018-3.

Q13 When the pen is inserted, the pencil sharpener works normally, that is, it is not sharp.
A13 This situation is that the pen tip was accidentally broken inside the machine when the pen was last cut.

Q14 How to remove the broken lead in the pencil sharpener?
A14 Blade type pencil sharpener: only need to use the tip of the brush to push the lead core upwards and pour it out.
Spiral Pencil Sharpener: Automatically arrange the core of another hard refill pencil under the force of the core (the rotation of the pencil sharpener needs to be maintained during the force insertion)

Q15 How long can a battery last?
A15 Alkaline batteries can be lasted more than 100 times.

Q16 How long does the 3018 electric pencil sharpener charge?
A16 Charging within 3 hours, can be used for about 100 times.

Q17 What is the difference between the automatic cutting function of the electric pencil sharpener and the automatic stop?
A17 There is no much difference. The automatic stop function is to instantly sharpen and stop, and the no-stop function will be idling, and the stop will be clearer. But on the tip of the pen tip, the sharpener without the stop function will be better. The fee-cutters choose according to their needs.

Q18 3018 rechargeable electric pencil sharpener can’t find the charging cable in the box?
A18 The 3018 adopts the internal storage design. The charger is in the box at the bottom, and it can be charged when it is opened and can be used up. Beautiful and practical, don't worry about finding the charging cable in the future.

Q19 How about open the transparent cover does not work.
A19 The pencil sharpener has a protective switch. When the transparent cover is removed, the safety switch functions, so the machine stops working.

Q20 The pencil sharpener when plugging in the USB cable does not work when the battery is inserted.
A20 If the USB cable is inserted into the hole of the pencil sharpener, the battery is not working (designed to protect the battery), so the USB cable needs to be removed from the sharpener when the battery is working.

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