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Mirror alignment – the ultimate guide

Mirror alignment – the ultimate guide

Welcome to the ultimate alignment guide for your laser machine. This guide has some tips and hints regarding the popular K40 machine type, but this can be used for any laser machine on the market as the science behind movement…

HP Persson9 April, 20189 April, 2018 DIY & how-to, Lens & mirrors No Comments
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Setting the proper focus in your K40

Setting the proper focus in your K40

Focus is very important for your work, if you are out of focus you will lose power or get strange effects when engraving. This is the most common issue with new users on the k40 machine, the information from the…

HP Persson5 April, 201820 April, 2018 DIY & how-to, Lens & mirrors 2 Comments
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K40D the upgrade project – part one

K40D the upgrade project – part one

The K40D is well known for beeing one of the better K40 versions out there, with it´s upgraded controller board (HT Master) and the famous gold-ish styled gantry. Is it really possible to upgrade this beast? sure, or, maybe? let´s…

HP Persson10 January, 2018 DIY & how-to 2 Comments
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Watercooling – a deep dive

Watercooling – a deep dive

HP Persson14 October, 20174 December, 2017 How it works, Watercooling No Comments
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Upgrade your power supply – save money and time

Upgrade your power supply – save money and time

HP Persson10 October, 201715 October, 2017 DIY & how-to No Comments
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Troubleshooting a “no fire” issue

Troubleshooting a “no fire” issue

Quick troubleshooting when the machine is not firing the laser any more. To begin with, make sure all wires and connections are good in the machine and make sure all cables are where they should be. 1: Start the machine…

HP Persson22 September, 201718 March, 2018 DIY & how-to 14 Comments
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Install a mA-meter on your K40 laser

Install a mA-meter on your K40 laser

Adding a mA-meter to your machine is one of the most important modifications you can do on this machine. The mA-meter will read the power trough your laser tube allowing you to set the power to a safe value to…

HP Persson18 September, 201723 September, 2017 DIY & how-to No Comments
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Upgrade your analog power knob

Upgrade your analog power knob

This is a upgrade of the analog power potentiometer to give you better control over the power level. It´s also easier to remember a number than a location of the pot. You can buy this from me prebuilt, ready to…

HP Persson17 September, 201718 September, 2017 DIY & how-to 1 Comment
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K40 Whisperer – replacement software

K40 Whisperer – replacement software

This looks good, a new software who can talk with our K40 machines. Not sure if it´s compatible with all five types of controller, but it will show with time. I´m doing a deeper test with this on my HT…

HP Persson15 July, 2017 Software for K40 5 Comments
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Upgrades & improvements on the K40

Upgrades & improvements on the K40

The K40 machine is a awesome little product who makes it easy for hobby and semi-pro use to get going with laser cutting or engraving. It´s far from perfect and needs a hand to work as you intended. First reading…

HP Persson4 July, 201721 November, 2017 DIY & how-to 6 Comments
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Recent Comments

  • Peter Plail on Upgrades & improvements on the K40
  • HP Persson on Setting the proper focus in your K40
  • Peter Plail on Setting the proper focus in your K40
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  • HP Persson on Troubleshooting a “no fire” issue
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