DTF印刷で学んだことを、すべて書き残しました。
短く、実践的に。実際のプリンターと実際のトラブルから書いています。新しいガイドを毎月追加。
- 白インク · 5 分で読めます
Why your DTF transfer has a white halo — and the 3 fixes
A thin white edge around a DTF design comes from soft pixels, an opaque background or a missing choke. Here is how to see it in the file and fix it in one click.
- はじめに · 6 分で読めます
The channel test: find out which Epson tank prints which colour in 5 minutes
Converted Epson printers put white ink in the light cyan and light magenta tanks — or somewhere else. The channel test shows the real mapping so prints stop coming out blue or single-coloured.
- カラー · 7 分で読めます
ICC profiles for DTF: what they do, where to get one, and the one rule that breaks colour
An ICC profile maps your screen colours to what your ink, film and powder can actually make. Use one, use it once, and set ink limits — that is 90 % of colour accuracy in DTF.
- プリンターの手入れ · 5 分で読めます
Keeping white DTF ink alive in a converted Epson
White pigment settles, dries and clogs faster than any colour. A daily routine of two minutes prevents the expensive head replacement.
- ビジネス · 6 分で読めます
How to price DTF gang sheets: the cost formula and the nesting margin
Film, powder, ink and time per metre — then the trick everyone misses: nesting decides your margin more than your ink price does.
- はじめに · 8 分で読めます
Converting an Epson L1800 or L805 to DTF: what you need and what goes wrong
The two most converted DTF printers in the world, the parts a conversion needs, and the four mistakes that turn the first week into a support ticket.
- はじめに · 6 分で読めます
Connect your printer to the RIP: USB, network, and the port 9100 trap
How to connect a converted Epson to ZoroPrint on Windows, macOS and Linux — and why network printing fails on a brand-new Epson until you switch on RAW (port 9100).
- はじめに · 6 分で読めます
DTF heat press settings: temperature, time, pressure — and hot vs cold peel
The settings that work for 90 % of DTF films, what to change per fabric, and how to tell whether your film is hot, warm or cold peel.
- プリンターの手入れ · 6 分で読めます
Horizontal lines (banding) in DTF prints: the 6 causes in order
Banding on a converted Epson is nozzles, head gap, bidirectional timing, media feed, resolution or the file — checked in that order it takes ten minutes.
- はじめに · 5 分で読めます
How to prepare a file for DTF printing (the checklist designers skip)
PNG with real transparency, 300 dpi at print size, sRGB, no hidden background, text at least 0.5 mm thick — the checklist that makes every transfer print right the first time.
- 白インク · 6 分で読めます
White underbase for dark vs light garments: density, highlight white and knockout
How much white to print under a design depends on the shirt. The three settings that matter, with the values that work on black, white and coloured garments.
- ビジネス · 5 分で読めます
What a DTF transfer really costs: ink, film, powder and the number nobody counts
A worked example for an A4 gang sheet on a converted Epson, the formula behind it, and the two costs (waste and time) that decide whether you make money.
- ビジネス · 5 分で読めます
Gang sheet nesting: 7 ways to fit more transfers on the same film
Rotation, gap, margin, mixed sizes, roll vs sheet, cut marks and the order you add designs — small settings that change film use by 20–30 %.
- カラー · 5 分で読めます
DTF transfers that crack or feel thick: total ink limit and black generation
Cracking after a few washes and a rubbery hand feel come from too much ink in one spot. What the total ink limit and GCR settings do and the values that fix it.
- はじめに · 8 分で読めます
Converting an Epson ET-8550 (L8180) to DTF: where the white goes and how to check it
The ET-8550 and the L8180 are the same printer. What a DTF conversion changes, which tanks hold the white, and the channel test that proves the mapping before you waste film.
- カラー · 7 分で読めます
Dull, washed-out DTF colours: seven causes and how to check them in order
DTF colours that look flat on the film or pale on the shirt usually come from one of seven things: double colour conversion, the wrong profile, low ink limits, a weak channel, thin white, too much black generation, or the finish.
- はじめに · 6 分で読めます
Which Epson printers can be converted to DTF? The models ZoroPrint supports, and how sure we are
The Epson printers people convert for DTF, from the L805 and L1800 to the ET-8550 and XP-15000: where the white goes on each, and which are validated on hardware and which are still experimental.
- プリンターの手入れ · 5 分で読めます
The daily, weekly and monthly maintenance routine for a converted Epson DTF printer
Five minutes a day keeps white ink flowing. The exact routine — purge strip, nozzle check, capping station, wiper, tubes — and what to do before a week off.
- はじめに · 6 分で読めます
How to choose DTF film and powder (and why the cheap ones cost more)
Single vs double-sided matte, hot vs cold peel, 75 vs 100 µm, fine vs medium powder, TPU vs PES — what each choice changes in the print and on the shirt.
- カラー · 5 分で読めます
DTF on polyester: stopping dye migration and scorch marks
Why a white logo turns pink on a red polyester shirt a day after pressing, and the four settings that prevent it: temperature, time, powder, and a blocker layer.
- ビジネス · 5 分で読めます
UV DTF explained: permanent stickers for cups, bottles and hard surfaces
What UV DTF is, how it differs from textile DTF, what printer and film it needs, and how to sell it — the product line most textile shops add second.
- カラー · 8 分で読めます
Making your own DTF ICC profile with a spectrophotometer, step by step
Linearise, set ink limits, print the target, press it, measure it, build the profile — the order that gives accurate colour on a converted Epson, and the mistakes that make a profile worse than none.
- ビジネス · 6 分で読めます
Selling DTF transfers online: Etsy, Shopify and your own gang sheet builder
What sells (ready-to-press transfers, custom gang sheets, wholesale), how to price and ship, where the platforms take their cut, and how to run it without the file chaos.
- はじめに · 6 分で読めます
Epson XP-15000 vs L1800 for DTF: which A3+ printer to convert in 2026
Same width, very different printers: head, ink system, chip situation, speed, white ink handling and running cost — and which one ZoroPrint supports best today.
- プリンターの手入れ · 7 分で読めます
DTF printer maintenance checklist: daily, weekly and monthly for a converted Epson
Five minutes in the morning, three at night, half an hour a week. The full checklist for an L805, L1800, ET-8550 or XP-15000 running white ink, with the numbers that matter.
- プリンターの手入れ · 7 分で読めます
How to keep white DTF ink from clogging: agitation, circulation and storage
White DTF ink is titanium dioxide, and it settles within hours. How to agitate it without bubbles, what stirrers and circulation really do, how to store bottles, and how long white keeps.
- プリンターの手入れ · 7 分で読めます
DTF dampers: when to shake, prime or replace them
Dampers sit on the head and hold the ink the nozzles fire. How to rock the white ones, how to prime with a syringe without hurting the head, how to spot a bad damper, and when to replace it.
- プリンターの手入れ · 6 分で読めます
Cleaning the capping station and wiper on a DTF Epson, every day
Dried white on the cap lip is the most common cause of a printer that “was fine yesterday”. How to clean the cap and wiper at the end of each day, which fluid to use, what never to use, and when to replace them.
- プリンターの手入れ · 7 分で読めます
Leaving a DTF printer idle: overnight, weekends, holidays and long storage
How long a converted Epson can sit with white ink in it, and what to do for each length of break: a few hours, a weekend, a week, or a month. Keep-alive prints, flushing white, and restarting safely.
- プリンターの手入れ · 7 分で読めます
Waste ink on a converted Epson: pads, maintenance boxes and an external bottle
Where cleaning ink goes on an L805, L1800, XP-15000, ET-8550 or L8180, why DTF fills it fast, how to route waste to a bottle, the “end of service life” counter, and how to dispose of waste ink.