Sublimation paper is the transfer medium at the center of dye sublimation printing. It holds sublimation ink on a coated surface until heat and pressure convert that ink from a solid directly to a gas, bonding it permanently into polyester fibers or polymer-coated substrates.
Learning how to use sublimation paper correctly is the difference between vivid, wash-resistant transfers and washed-out prints that fade. This guide walks through every step, from identifying the printable side to pressing your finished transfer, with troubleshooting tips for common failures.
What Is Sublimation Paper?
Sublimation paper is a specially coated transfer paper designed to receive dye sublimation ink from a sublimation printer without absorbing the ink too deeply. The coating holds the ink on the surface so it releases cleanly during the heat transfer stage. That release is what separates sublimation paper from standard inkjet paper or regular heat transfer paper.
Standard ink and uncoated paper absorb too much dye, leaving a dull, incomplete transfer. Sublimation paper comes in weights ranging from 100 gsm to 120 gsm. A higher weight, around 120 gsm, handles more ink without curling and generally delivers sharper image detail because the coating controls ink spread more effectively.
The paper is designed for one-time use only. Once you've pressed a transfer, the ink has been released and the sheet can't produce a second usable print.
Identify the Printable Side of the Paper
Every sheet of sublimation paper has a printable side and a back side. The printable side is the bright white, coated surface. It feels slightly tacky or smoother compared to the uncoated back, which is typically duller or has a slight texture. Some brands mark the printable side with a logo or a corner cut to make identification easier.
Printing on the wrong side is one of the most common beginner mistakes. When sublimation ink hits the uncoated back, it soaks into the paper fibers instead of sitting on the coating. The result is a faded, muddy transfer with poor color saturation. If you're ever unsure, look for the bright white side and print a small test patch before committing to a full design.
Print Your Design With Dye Sublimation Ink
Sublimation printing requires a sublimation printer loaded with dye sublimation ink, not regular ink from a standard inkjet. Regular inkjet ink doesn't convert to gas under heat, so it won't bond with the substrate. Using standard ink on sublimation paper just wastes materials.
Before you print, always mirror your design. During the heat transfer, the printed side of the paper presses face down against the substrate. If the image isn't flipped, text and directional graphics will appear reversed on the finished product. Design software like Adobe Photoshop, CorelDRAW, or Cricut Design Space all include a mirror function.
Set your printer to the highest quality print setting and use high-resolution files (at least 300 DPI) for the sharpest results. Print on the bright white, coated side of the sublimation paper, and let the printed transfer paper dry completely before handling to prevent smudging. If the ink is still wet when you pick it up, it can blur or offset onto your workspace.
Prepare Your Sublimation Blank and Heat Press
Sublimation works on substrates with a polyester coating or on 100% polyester fabric. Common sublimation blanks include mugs, mouse pads, coasters, tumblers, water bottles, polyester t shirts, and phone cases. Hard surfaces like ceramic mugs and metal panels work well because their polymer coating accepts the gas-phase ink cleanly.
Before pressing, clean the substrate surface with a lint free cloth or an alcohol wipe to remove dust, oils, and debris. Any contamination on the surface can block the ink from bonding and show up as spots or voids in the finished transfer. For polyester fabric, run a lint roller over the surface first, then pre press the fabric on your heat press for 5 to 10 seconds to remove moisture and wrinkles. Moisture trapped under the paper during pressing causes banding and color inconsistency.
Tape the sublimation paper to the substrate using heat resistant tape to hold it in place during the press cycle. Proper taping prevents the paper from shifting, which is the primary cause of ghosting (a faint double image around the design).
Press Your Dye Sublimation Transfer
Use a heat press at around 400°F (205°C) for sublimation transfers. The correct temperature, consistent pressure, and pressing time all need to be matched to the substrate you're working with. Flat items like polyester t shirts and mouse pads use a standard flatbed heat press, while mugs and tumblers need a mug press or a convex attachment.
General pressing guidelines for common sublimation projects:
- Polyester fabric: 400°F, medium-to-firm pressure, 45 to 60 seconds. T shirts and similar garments fall here.
- Hard surfaces (mugs, coasters, metal panels): 400°F, firm and consistent pressure, 60 to 90 seconds depending on the blank.
Too much heat or too long a pressing time can cause faded colors or blurry edges. Too little heat leaves colors dull because the sublimation ink hasn't fully converted to gas. Once the pressing time is up, remove the sublimation paper carefully and let the substrate cool completely before handling. Peeling the paper while the substrate is still hot risks ghosting if the sheet shifts.
Use Parchment Paper and Teflon Sheets for Protection
Place a sheet of clean, uncoated butcher paper or parchment paper above and below your substrate during the press cycle. This protects the heat press platen from stray ink that bleeds past the edges of the sublimation paper, and it keeps the bottom of your substrate clean. Teflon sheets serve the same function and are reusable, making them a practical choice for shops running multiple sublimation crafts per day.
Avoid using paper with any coating or print on it as a protective layer. Ink or coatings on the protective sheet can transfer onto the substrate or the heat press under high heat, contaminating the entire surface of your transfer.
Troubleshooting Common Sublimation Problems
Faded or washed-out colors usually point to incorrect temperature, too little pressing time, or using the wrong paper. Confirm your heat press is reaching the correct temperature with an infrared thermometer, and verify you're using sublimation ink, not regular ink. Using high quality sublimation paper with a proper coating also makes a measurable difference in color vibrancy.
Ghosting (shadow or double image) happens when the sublimation paper shifts during or after pressing. Secure the print tightly with heat resistant tape, and avoid lifting or repositioning the paper once the press is closed. Remove the paper in a single smooth motion when the press opens.
Moisture banding (horizontal lines or uneven color patches) results from moisture trapped in the substrate or the paper. Pre press fabric to remove moisture and store your sublimation paper in a dry environment. Humidity causes the paper to absorb moisture, which turns to steam during pressing and disrupts the transfer.
Uneven transfers across the entire surface usually indicate inconsistent pressure. Check your heat press for level platen contact and adjust the pressure so it's firm and even across the full area of the sublimation blank.
Frequently Asked Questions
Can You Use Sublimation Paper in a Regular Printer?
You can feed sublimation paper through certain inkjet printers, but the printer must be loaded with sublimation ink for the process to work. Standard inkjet printers with regular ink won't produce usable transfers because the ink doesn't convert to gas under heat. Dedicated sublimation printers or converted inkjet printers with sublimation ink cartridges are what the sublimation printing process requires.
How Do You Print on Sublimation Paper?
Load the sublimation paper with the bright white, coated (printable) side facing the print head. Mirror your design in the software, set the printer to its highest quality setting, and print. Let the printed sheet dry completely before pressing. Use sublimation ink, not standard ink, for the transfer to work.
Which Side of Sublimation Paper Do You Use?
Print on the bright white, coated side. This is the printable side that holds the sublimation ink on the surface for a clean transfer. The back side is duller and uncoated. Printing on the wrong side results in faded colors and poor ink release because the ink soaks into the fiber rather than sitting on the coating.
Do I Need Special Ink to Print on Sublimation Paper?
Yes. Sublimation paper is designed to work exclusively with dye sublimation ink. Regular inkjet ink or standard ink won't bond with polyester or coated substrates under heat. The sublimation process relies on the ink converting from solid to gas, which only sublimation ink is formulated to do. Sublimation paper is not compatible with regular inkjet inks.
Shop Sublimation Supplies at Printing Supplies Direct
Printing Supplies Direct carries Pinnacle dye sublimation paper, inkjet inks, and a full range of papers and printing media for sublimation printing and beyond. Browse our screen supplies for screen printing essentials. Orders ship same or next day, with free shipping to the contiguous 48 states. Call 860-516-6393 or email info@printingsuppliesdirect.com.
By the Printing Supplies Direct Team.