How to Test Cut with the ScanNCut SDX 125
Auto Blade and Manual Blade
Brother is back with a new machine and a very new look! The ScanNCut SDX 125 now features more storage, mat support, and accessories- like the roll feeder and Auto Blade. This Auto Blade is different than the Silhouette Cameo 3’s because it actually senses your material thickness and adjusts accordingly. Your standard blade can still be used in cases where the Auto is not fully accurate though. I’m going to cover both scenarios in this post, so don’t worry!
Place HTV Glossy Side Down and Matte Side Up
In addition to the new look, the ScanNCut SDX also has a new cutting mat. Mats for older machines like the DesignNCut or the ScanNCut CM650W are not compatible with the SDX.

Place the shiny side of heat transfer vinyl on the cutting mat.
Since I find the Brother mats to be less tacky, I like to use a brayer or rolling tool to press the HTV onto the mat.
One thing that’s remained the same with the new ScanNCut SDX is the use of CanvasWorkspace. You may remember the cloud based version if you’ve uses previous models, but last year CanvasWorkspace transitioned to a desktop software that you can design in without an internet connection. We’re not going to dive deep in the software in this post since most of the functions can also be accessed right on the touch screen! If you want to know more about CanvasWorkspace, read this post.
Align and Load Cutting Mat
Loading the mat into the ScanNCut is similar to before. The button looks a little different, but the mat still fits perfectly between the machine’s edges.
Use the Test Cut Function
If you noticed the “Test” setting at the bottom of the touch screen then you know where I’m headed next! However, I wanted to show that now you can reach the test cut function from the home screen (pictured above) and from your final cutting screen (pictured below.) I love this update since I usually get all the way to the point of cutting before remembering to test my settings. Now I don’t have back track to the home screen!
Another cool thing about the SDX is that it senses which blade you have in the machine. The picture above shows “Auto” for pressure, so it knows the Auto Blade is being used and will measure the material before cutting.
In the image below, you can see the Pressure number has been manually set to “2.” To change that number, select the wrench symbol.
The wrench will open up a window of settings where you can enable Half Cut. This is a new option, but if you’re a planner it may be familiar jargon. A Half Cut is like a Kiss Cut used for sticker making. It also works for HTV and PSV since it’s telling the machine to not cut all the way through the material. We want the blade to cut deep enough to slice the vinyl, but not puncture the carrier or backing.
Switch Auto Blade for Standard Blade
No matter which blade you use, you’ll want to enable Half Cut for all Siser products. The blade holder hasn’t change much with this machine. To exchange the Auto Blade for the Standard Blade, raise the lever up to remove it and lower the lever to lock the new tool in place.

Lever raised to remove Auto Blade from the blade carriage.

Lever lowered to lock Standard Blade into the blade carriage.
Weed and Inspect the Test Cut
For the most part I’ve had great success with the Auto Blade sensing and setting the pressure and blade depth, however there are a few products I’d suggest using manual settings for: Holographic, Brick® 600, StripFlock® Pro, and all EasyPSV®. These products tended to be cut too deep or not deep enough when the Auto Blade was used. No worries though! Recommended settings for each material can be found on our website.
A test cut is recommended for every color of every product! Sometimes a certain color will have a different setting or the same color from two different batches will have different cut settings. Taking a minute to do a test cut may seem like a hassle, but it will save you from hours of frustration!
Here’s what to look for when you test cut…
A bad test cut can be identified by a few things:
- Disconnected shape or wobbly cut lines
- No cut lines and difficult weeding (cut too shallow)
- Perforated or punctured carrier (cut too deep)
A good test cut will have the following:
- Visible cut lines that can NOT be felt on the glossy side
- Easy weeding
- Complete shapes with crisp corners and cut lines
Let’s wrap this up with a few of my favorite improvements to the ScanNCut:
- 600dpi scanner compared to the 300dpi of the past
- Adjustable pinch rollers and roller bar
- Less cutting noise
Did I mention the SDX 125 is whisper quiet?! For real- I had to get up and go watch it cut to make sure it was actually working because I couldn’t hear the tell tale sounds of the motor and pinch rollers. It’s the new fave of my office mates as well, that’s for sure!
Now that you’ve had a run down on the new Brother ScanNCut SDX 125, it’s time to get crafting! If you can’t answer the crafting call right now, that’s ok because you can easily return to this post and all it’s handy info when you pin the image below to Pinterest.
Did this post leave you with more questions than answers? Then it’s time to go over the beginner basics.
Can the auto blade be used for thin fabrics or does absolutely need the thin fa rice blade?
Hi! I would recommend reaching out to Brother’s customer support to answer that question. Unfortunately, I’m unable to advise you on this matter since we do not make the machine or blades.
With the brother scan n cut I cannot see my number on my blade do I buy another one
Hi Vicky! The AutoBlade for ScanNCut does not have numbers on it and can be used with most Siser materials. However, it is good to have a Standard Blade (with numbers on it) as a backup for vinyl (EasyPSV®, Holographic, Brick, etc) that needs more precise cut settings than what the AutoBlade is able to achieve.
When cutting images out with regular Stampin up white paper, should the number on the side of machine be set on 1 or 2?
Hi Nancy! The ScanNCut SDX125 will usually tell you when the lever on the side needs to be raised to 2. I’m not 100% certain since we do not offer Stampin ‘ Up paper, but I think you will need it on the 2. This video explains what the lever does and when to set it to 1 or 2.
Any time you attempt a 1 that should be a 2, the machine will time out and ask you to switch it!
When trying cut siser brick on on the scan n cut dx 125e with the settings provided it cuts through the backing
Thanks for your feedback, Charles! If you’re working with a fresh, new blade you may need to reduce the cutting pressure or Blade length to achieve a good cut. We suggest test cutting each time and adjusting if needed since settings are affected by the age and wear of the machine and Blade.
What settings should my brother sdx225 be on so it only go over once instead 3 times
Hi Clara! Your settings will depend on the type of vinyl you’re using. You can find suggested settings for all our materials on our website and app. If you’re needing to cut more than once, it is likely time to change your blade. If your machine is cutting multiple passes without you meaning to, then you may need to follow the steps on Brother’s help page.
Trying to cut an intricate pattern on easy weed stretch thv. Auto blade. Cuts straight through backing.
Hi Cathy! Please ensure you’ve enabled “Half-Cut” so the machine knows not to cut all the way through the material. If that doesn’t help, you may need to swap your Auto Blade for a standard Blade so you can adjust the cutting pressure manually. I would also suggest cutting intricate patterns with a slower speed for best results.