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FAQ & DIY articles for K40 laser cutter owners

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Here you can find articles, DIY-guides and much more regarding the popular K40 or 3020 laser cutter engraver machine, how to solve common errors, make upgrades and fix your machine to a really good working laser cutter/engraver.

Latest K40 related articles

K40 laser cutter power supply

Most problems with the K40 laser cutter involves the power supply in one way or another. Here is the facts... read more

Convert your digital panel to analog

Convert your K40 digital panel to analog Want to convert your machine to analog instead of digital? The digital panel is... read more

Using your laser cutter/engraver inside your home

Many of us, including me have a machine inside the home. I have a bunch of machine but at my... read more

DIY article how to fix your laser head

This article is about a popular laser head avalible on ebay and other places. We sell this already modified in... read more

K40 machine stops before job is done – fixes and issues

A lot of questions lately has been around machines stopping mid job, before the end or right away when... read more

No fire troubleshooting

This guide will help you identify and solve most problems with your laser machine not firing the laser beam. Make... read more

CW3000 cooler for lasers – Warning!

This is a very short article, i see posts about this CW3000 almost every day and i sadly see... read more

Buyers guide to the Chinese K40 laser cutter

This article is aimed to you looking to buy a K40 laser cutter machine, but want more information before... read more

K40 laser cutter Frequently Asked Questions

What is the K40 laser machine?

The K40 or K3020 with other similar names are a small, desktop-sized Co2 laser made in China for very affordable price.

Where can i buy a K40 laser cutter engraver?

The K40 is avalible on most websites similar to Ebay, Aliexpress, Amazon and similar.

Is the K40 laser machine plug-and-play?

No, it needs attention and can be very dangerous to turn on without checking it over before starting to us. See our articles on setting up the K40.

Can the K40 be used in a business?

Sure, depending on volume and what you make you can upgrade and optimize it for business use.

Is the K40 a safe machine?

Out of the box - NO. When you have fixed some electrical and other safety solutions it´s not more dangerous than your toaster. Read up on safety and how to use your K40 laser machine safely.