Xtool F1 Not Engraving? Here's the Fix (And Why It's Probably Not What You Think)

Don't Blame the Laser Yet—Check Your Material Prep First

The most common reason your xtool f1 isn't engraving isn't a hardware defect; it's a setting or material preparation issue. I wasted about $320 on a mix of acrylic and aluminum blanks before I figured this out. I had a brand new xtool f1 portable laser engraver, set it up perfectly according to the manual, and got either no marks or faint, uneven scratches. I was ready to return it.

But here's the thing. The machine is more than capable. The 20W dual laser (fiber & diode) is a beast when it's set up right. The problem was my assumption that I could just load a preset and hit go. You can't. Not if you want it to work the first time.

My $320 Mistake: The 'Standard' Setting Trap

In my first month, I made the classic engineer's mistake: I assumed 'Auto' or the default material presets were optimized. They're a good starting point, but the Xtool F1's dual-laser system is so versatile that the presets are conservative to avoid damage. They're not aggressive enough to actually engrave some materials well.

Like most beginners (and I'm including my past self here), I loaded a piece of clear acrylic, selected the 'Acrylic' preset, and watched the diode laser head trace a pattern. It looked fine on the screen. After the process, I wiped the surface. Nothing. I tried again with more power. Still barely a mark. The result was a $45 piece of scrap acrylic and a growing sense of frustration.

That’s when I learned the lesson: For diode lasers (810nm), clear and transparent acrylic is almost entirely invisible. The laser light passes through the material without heating it, so you get a faint surface melt at best. The Xtool F1's diode laser isn't capable of engraving clear acrylic in any practical sense. The fiber laser (1064nm) is for marking metals and plastics, not engraving clear glass or acrylic. People think the dual-laser means it can do everything. Actually, it means you have to know which laser to use for which material, or you'll get nothing.

(Should mention: I later found a way to do this by applying a thin coat of paint or a marking spray, which absorbs the laser and transfers the heat to the acrylic. But that's a workaround, not a standard feature.)

The Real Culprit: Material-Specific Settings & Focus

So, if your xtool f1 not engraving, here are the three things that have saved me 47 potential errors in the past 18 months (I actually keep a log now).

1. The Laser Selection is Everything

The Xtool F1 has two lasers. You cannot treat them as interchangeable. The fiber laser is for metals (stainless steel, aluminum, titanium) and some plastics (like laser-markable polycarbonate or ABS). It creates a deep, dark mark by changing the surface chemistry. The diode laser is for organic materials: wood, leather, dark acrylic, painted metals, stone, bamboo.

If you try using the diode laser on bare stainless steel, you'll get a faint, almost invisible mark. If you try using the fiber laser on wood, it will burn too deeply or just char the surface without a clean cut. I once used the fiber on a piece of walnut by accident. The result looked like a cigarette burn. $18 piece of wood, ruined.

The assumption is that 'dual laser' means a combined effect. The reality is you have to manually switch which laser is active in the Xtool software (XCS). It's not automatic. You set the 'Laser Source' in the process settings to either 'Fiber' or 'Diode'. If you leave it on 'Auto', it might guess wrong. I've had it auto-select the diode for a metal job, which didn't work at all.

2. Focus is Not a 'Set and Forget' Thing

The Xtool F1 comes with a manual focus knob and a measurement ruler. Most people (including me) eyeball it. This is a massive mistake. The depth of field for a 20W diode laser is surprisingly small. At its tightest focus, the spot size is around 0.08mm. If you're off by even 1mm, the energy density drops significantly, and you get a blurry, weak engrave.

I started using the ruler religiously after a $210 order (for a client) where every single 3D engraved piece of stainless steel had a faint, uneven mark on one edge because the material wasn't perfectly flat. It looked like I'd used a dying inkjet printer. I had to redo the entire batch. The mistake cost $210 in materials plus a 2-day delay. Use the manual focus tool. Every time. It takes 10 seconds.

3. Speed and Power Ratios are Not Linear

People think that if 50% power works, 100% power will work twice as fast. Actually, the relationship between power, speed, and depth is highly non-linear. For the Xtool F1 on a material like dark acrylic:

• 80% power / 350 mm/s: A clean, deep cut (for thin acrylic).
• 100% power / 350 mm/s: Might cause edge burns and melting.
• 80% power / 100 mm/s: You'll get a very deep cut that might burn the backing.
• 20% power / 500 mm/s: Just a surface scuff, not an engraving.

The trick is to increase power to the point where you get a mark, then adjust the speed to control the depth. Don't max out the power unless you know exactly what you're doing. It creates more waste via burning.

How to Color Laser Engrave on an Xtool F1 (The Right Way)

One of the highest search terms I see is 'how to color laser engrave'. You cannot do true full-color laser engraving with a standard CO2 or diode laser. The Xtool F1 will not change colors like an inkjet printer. However, you can create colored marks on certain metals using the fiber laser. This is called 'laser marking', not 'laser engraving'.

On stainless steel, you can get a thermal oxidation effect. At different speeds and frequencies (Q-Frequency), you can generate:

• Low heat (50-60% Q-Freq): A dark brown/black mark.
• Medium heat (70-80% Q-Freq): A yellow or bronze mark.
• High heat (90-100% Q-Freq): A blue or purple mark (this is tricky and often inconsistent).

This is not a guarantee. The results vary based on the specific alloy of your stainless steel (304 vs 316 reacts differently). The most reliable method for color 'engraving' on an Xtool F1 is to use a color-coating spray (like Cermark or LaserBond) and then mark it with the fiber laser. The spray changes color based on the heat. That's the real industry trick.

Industry standard color tolerance for this method is often a Delta E of 3-5, meaning it's not perfectly consistent. Don't expect a Pantone-matched blue.

Bottom Line: When Will the Xtool F1 Actually 'Not Engrave'?

It's a reliable machine. In my experience, the 'not engraving' problem is almost always a user-side mistake. The top 3 reasons are:

1. Wrong laser selected for the material (most common).
2. Material is not flat or focus is off.
3. Speed/power settings are too conservative.

I should add that I've had one instance where the firmware glitched and the laser didn't fire at all. A simple machine restart fixed it. The hardware is surprisingly solid. The software (XCS) is where most of the frustration lives.

Oh, and regarding the price of a 3D laser engraving machine: The Xtool F1 is under $1,500 for the basic kit. A true industrial-grade 3D laser engraver (like a Compact Laser System) starts at $15,000. The '3D engraving' the F1 does is a moving Z-axis to engrave a cylindrical or domed surface. It's not a true 3D depth-map engraving like a galvo scanner system does. Manage your expectations. It's a desktop machine, not a full-scale industrial unit. But for small business work, it's a fantastic tool once you get past these initial hurdles.