A sublimation printer prints onto paper, never onto the garment. It lays disperse dye onto a coated transfer sheet, and a heat press then drives that dye into polyester as a gas at around 200 C. So the printer is only a third of the system: printer, paper and press work together, and the whole system works only on polyester or polyester-rich cloth in white or a pale colour. On cotton it does nothing at all.
In this article
- What a sublimation printer actually is
- What is inside one
- The three kinds you will meet
- Why the printer never touches the garment
- Where the printer sits in a production run
- What a sublimation printer cannot do
- Buying one against using a factory
- What to send a factory that prints sublimation
- Sublimation at NO FUGAZI
What a sublimation printer actually is
Most printers put ink on the thing you want printed. A sublimation printer does not. It is an inkjet that has been built or converted to carry disperse dye, and everything it prints comes out on a sheet of coated transfer paper that is then thrown away.
That sounds like a detour until you see what it buys you. Dye that sits on paper can be turned into a gas, and gas goes into a fibre rather than sitting on top of it. The colour ends up inside the polyester, which is why a sublimated print has no hand feel, nothing raised to catch a fingernail, and nothing to crack when the garment is stretched.
The machine on its own prints nothing you would want to wear. Pull a sheet out of a sublimation printer and the colours look wrong: washed out, oddly pale, nothing like the design on screen. That is correct. Disperse dye only reaches its true colour once heat has driven it into the fibre. Judging a sublimation print by the paper is like judging bread by the dough.
What is inside one
Four things decide what a sublimation printer can do, and only one of them is the printer.
The print head. Sublimation runs on piezo heads, which flex a crystal to push a droplet out. Thermal heads, the kind in most cheap home printers, boil the ink to make a bubble, and disperse dye does not survive that. This is why you cannot simply pour sublimation ink into any inkjet and expect it to work.
The ink. Disperse dye is a solid pigment suspended in a carrier, not a dissolved dye. It is formulated to sublime cleanly at press temperature. Different ink sets have different colour gamuts, and a set built for soft signage behaves differently on garment polyester than a set built for hard substrates.
The paper. Transfer paper is coated to hold dye on the surface rather than let it soak in, then to release almost all of it under heat. Cheap paper releases unevenly and leaves colour behind, which reads as a flat or patchy print. Paper weight matters too: heavier stock holds more ink for dense all-over designs without cockling.
The colour profile. An ICC profile maps what you see on screen to what the ink, paper, press and fabric will actually produce together. Change any one of those four and the profile is wrong. This is the single most common reason a first sublimation sample comes back a different colour from the design, and it is also why a factory that runs the same ink, paper and fabric every day gets closer to your reference than a new setup ever will.
The three kinds you will meet
| Type | Print width | What it is for |
|---|---|---|
| Desktop | A4 to A3 | Mugs, coasters, small chest logos, sampling a colourway before committing |
| Wide format | Roughly 60 cm to 190 cm | Cut-and-sew panels, all-over garment prints, the workhorse of apparel sublimation |
| Roll-to-roll with calender | 1.8 m and up | Continuous printed fabric by the metre, for volume production and soft signage |
The gap between the first and second row is the gap between a craft setup and a production one. A desktop machine can produce a lovely pocket print. It cannot produce a sleeve that runs unbroken from shoulder to cuff, because the design is wider than the machine.
The third row is where volume lives. A calender press is a heated rotating drum that fabric and paper pass through together in a continuous belt, rather than a flat press that opens and closes on one piece at a time. It transfers metres a minute instead of one panel a minute.
Why the printer never touches the garment
Three constraints follow from the physics, and every one of them catches people out.
It needs polyester. Disperse dye bonds to polymer chains. Polyester has them, cotton does not. Sublimate onto a cotton tee and the dye lands, looks briefly correct, then washes out almost entirely, because it never bonded to anything. Blends behave proportionally: a 65/35 poly-cotton takes colour at roughly the strength of its polyester content, which is why deliberately faded vintage-look prints are often done on blends.
It needs white or pale cloth. There is no white sublimation ink, and disperse dye is translucent. Whatever is underneath shows through. On a navy garment a yellow design does not read as yellow, it reads as a slightly greenish stain. Every full-colour sublimated garment you have seen started white.
It needs heat and time. Around 190 to 205 C for roughly 45 to 60 seconds, with even pressure. Too cool or too brief and the dye only partly transfers, giving weak colour. Too hot or too long and delicate polyester scorches, glazes or shrinks. Those windows are narrower than they sound and they shift with fabric weight.
Where the printer sits in a production run
For a printed blank, the order is obvious: buy the garment, press the design on. For cut-and-sew, which is what we do, the order is the other way round, and it is the reason all-over prints look the way they do.
- The pattern is drafted and the design is laid out onto the flat pattern pieces rather than onto a finished garment shape.
- The printer produces those panels on transfer paper, at full size.
- Each panel is pressed onto flat polyester cloth.
- Only then is the cloth cut and sewn into a garment.
Printing flat and sewing afterwards is what lets a graphic cross a seam without breaking, run into a sleeve head, or wrap a side panel. A press cannot reach into a finished sleeve, so anything printed after assembly is limited to the areas a flat platen can lie against.
It also means the artwork has to be right before anything is cut. There is no equivalent of reprinting a bad tee, because at that point the cloth has already become a garment. This is the main practical difference between sublimation on blanks and sublimation in cut-and-sew production.
What a sublimation printer cannot do
It cannot print white, or any colour lighter than the cloth. It cannot print on cotton, linen, or untreated natural fibre of any kind. It cannot print metallics or fluorescents convincingly, because those effects rely on particles sitting on a surface, and sublimation deliberately puts nothing on the surface.
It also cannot rescue a low-resolution file. Because the dye goes into the fibre rather than sitting on it, there is no ink layer to hide behind, and softness in the original artwork reads as softness in the garment. A design that looked acceptable at thumbnail size on a phone will look exactly as soft across the back of a hoodie, only much larger.
If any of those is a problem, the answer is a different decoration method rather than a different printer. Screen print gives you white ink and opacity on dark cloth. Embroidery gives you texture. Our fabric guide covers which cloths suit which finish.
Buying one against using a factory
People usually ask this question about the printer, and the printer is the cheap part. A desktop sublimation setup is genuinely affordable. What follows it is not.
A working apparel setup needs a wide-format machine, a press large enough for full panels, colour management that has been profiled against your actual fabric, a stock of that fabric, somewhere with ventilation and stable temperature, and a person who has already made the mistakes. It also needs volume, because ink and heads degrade whether you print or not, and an idle machine costs money quietly.
The honest split is this. Buy one if printing is the business, or if you are producing constantly in small runs and want same-day turnaround on samples. Use a factory if garments are the business and printing is a step inside it. Most brands we work with are in the second group, and the ones who bought equipment first usually tell us they underestimated the colour management rather than the hardware.
What to send a factory that prints sublimation
You do not need a technical drawing package to start a conversation with us, and you do not need to know any of the following. But if you have it, it moves faster.
| Item | What works | Why it matters |
|---|---|---|
| File type | Vector where possible, otherwise a layered raster file | Vector scales to any panel size without softening |
| Resolution | 150 dpi at final printed size, 300 for fine detail | Panels are large, so a file that is fine on screen may not be |
| Colour | Reference codes for anything that must match | A named reference beats a screenshot, which is lit by your monitor |
| Repeats | Say whether a pattern should tile or place once | Changes the whole panel layout, not just the artwork |
| Placement | Which way the design should run across seams | Decided before cutting, and hard to change after |
What we cannot do is guess a colour from a phone photograph of a garment under warm indoor light. If a colour has to match something exactly, send the reference code, or send us the physical item.
Sublimation at NO FUGAZI
We are a cut-and-sew manufacturer, so sublimation here means printed panels sewn into a garment rather than designs pressed onto bought-in blanks. That suits full-colour work on polyester: activewear, jerseys, technical outerwear, and the sort of all-over graphic that has to survive a seam.
Runs start at 50 pieces per style, which is low for cut-and-sew and is explained properly in our guide to minimum order quantity. You do not need a tech pack. A reference image and a description of what you want is a normal way for a project to begin here, and we draft the technical side from that.
Sampling is not charged as a separate line when you commit to a bulk run with a deposit, so seeing a physical sample before production is not a decision you have to weigh against its cost. If polyester is wrong for what you are making, we will say so and point you at the method that fits, because a print that fails in the wash costs everyone more than an honest conversation at the start.
Ask us on WhatsApp, or use the contact page if you would rather write it out.
Questions
Can a normal inkjet printer be used for sublimation?
Only if it has a piezo print head and has never had ordinary ink through it. Thermal print heads boil ink to eject it, and disperse dye degrades at that temperature. Converted piezo desktop machines are common for small work, but the conversion is one way: once a printer has carried sublimation ink it cannot go back to normal printing.
Why do sublimation prints look faded when they come out of the printer?
Because you are looking at dye sitting on paper, not dye inside a fibre. Disperse dye only reaches its final colour after heat drives it into the polyester. Pale, slightly muddy sheets coming out of the machine are normal and are not a fault.
Can you sublimate onto a black or navy garment?
Not usefully. There is no white sublimation ink and the dye is translucent, so a dark ground shows through and shifts every colour towards it. Full-colour sublimated garments start from white or a pale cloth. For artwork on dark fabric, screen print or embroidery is the right method.
How long does a sublimation print last?
As long as the garment, in practice. The colour is inside the fibre rather than layered on top, so there is nothing to crack, peel or wash off. The realistic failure is the polyester itself pilling or the garment losing shape, not the print fading.
What is the difference between sublimation and DTF?
Sublimation dyes the fibre and works only on pale polyester, leaving no hand feel. DTF, or direct to film, transfers a printed film onto the surface and works on almost any fabric including cotton and dark colours, but you can feel it. They solve opposite problems and neither replaces the other.
Does sublimation work on a poly-cotton blend?
Partly, in proportion to the polyester content. A 65/35 blend takes roughly the colour strength you would expect from 65 per cent polyester, which reads as a softer, washed-back print. Some brands use that deliberately for a vintage look. If you want full saturation, the cloth needs to be polyester-rich.
Related reading
- Streetwear fabric guide — which cloth suits which finish
- Minimum order quantity, explained — why 50 pieces, and how it splits across sizes
- Activewear manufacturing — where sublimation earns its place
- How to find a clothing manufacturer in the UK — what to ask before you commit
- What is sublimation printing, and what is it good for? – the process, why cotton fails, and how it compares with DTF
- Screen printing vs DTG vs embroidery: how to choose – which decoration method suits your artwork, fabric and run length
- Can I use a WebP image for print on demand? The definitive answer – what to send a factory, and what 300 dpi actually means
