Updated: May 18, 2026
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Fix sublimation mistakes before you throw away that blank. Whether you’re dealing with ghosting, faded colors, or a design that just looks wrong, some sublimation problems can be improved – especially on hard blanks. Others, especially on fabric, are usually permanent. This guide shows what you can realistically fix, what usually cannot be saved, and how to prevent the same problem next time.
My Quick Answer
Can you fix sublimation mistakes? Sometimes. It depends on both the substrate and the type of mistake. Hard blanks like mugs and tumblers can sometimes be lightened or reworked, while fabric is much harder to save because sublimation dye bonds into polyester fibers. In many cases, prevention is easier than repair. This guide covers the 10 most common sublimation problems, what causes them, and what you can realistically do next.
Last Updated: May 2026
Contents
- 1 Quick Diagnosis: What Mistake Are You Looking At?
- 2 Quick Wins: 5-Minute Fixes Before You Throw It Out
- 3 Can You Fix Sublimation Mistakes? Answer by Substrate
- 4 Fixable vs Not-Fixable: Master Reference
- 5 Should You Fix It or Start Over?
- 6 The 10 Most Common Sublimation Mistakes (And How to Fix Each One)
- 6.1 1. Ghosting (Double/Shadow Image)
- 6.2 2. Faded or Dull Colors
- 6.3 3. Wrong or Inaccurate Colors
- 6.4 4. Sublimation Not Transferring at All
- 6.5 5. Scorching or Burn Marks
- 6.6 6. Banding or Horizontal Lines
- 6.7 7. Bleeding or Ink Spreading
- 6.8 8. Black Turning Brown or Reddish
- 6.9 9. White Spots or Moisture Dots
- 6.10 10. Uneven or Patchy Transfer
- 7 Caps and Phone Cases: Common Sublimation Mistakes
- 8 Sublimation Settings Cheat Sheet (Prevent Mistakes Before They Happen)
- 9 How to Remove Sublimation Ink (By Substrate)
- 10 Can You Sublimate Over Sublimation?
- 11 First-Project Beginner Traps
- 12 Sawgrass vs Epson: Printer-Specific Mistakes
- 13 How to Prevent Sublimation Mistakes
- 14 FAQs
- 14.1 Can you fix sublimation ghosting on a shirt?
- 14.2 Can you fix sublimation on cotton or low-polyester shirts?
- 14.3 How do I do a sublimation test press correctly?
- 14.4 What are the most common first-project sublimation mistakes?
- 14.5 Can you fix a scorched polyester shirt?
- 14.6 When should I re-do versus try to fix a sublimation mistake?
- 14.7 Why does my Sawgrass print show banding?
- 14.8 How do I avoid making the same sublimation mistake twice?
- 14.9 Can you fix sublimation mistakes after pressing?
- 14.10 Can you sublimate over a sublimation mistake?
- 14.11 Why is my sublimation faded after pressing?
- 14.12 How do you remove sublimation ink from a tumbler?
- 14.13 Why is my sublimation ghosting?
- 14.14 Can you remove sublimation ink from a shirt?
- 14.15 Why is my sublimation black turning brown?
- 14.16 How do I prevent sublimation mistakes?
- 15 Related Cluster Guides
- 16 Wrapping Up
Quick Diagnosis: What Mistake Are You Looking At?
Match what you see on your finished blank with the row below. The symptom tells you which mistake you made and whether it is fixable.
| Symptom on Blank | Mistake Type | Fixable? |
|---|---|---|
| Blurry / double image | Paper shifted during press (ghosting) | No on fabric, sometimes yes on hard blanks |
| Faded / washed out | Low heat, short time, moisture, or low polyester content | Sometimes – re-press only if transfer is still aligned; otherwise adjust settings + fresh blank |
| Wrong colors (green looks blue) | ICC profile mismatch | Yes – fix profile, re-print, re-press fresh blank |
| Nothing transferred | Wrong ink, wrong paper side, or non-coated blank | No – input problem, start over with verified materials |
| Scorch marks / burns | Too hot or too long | Sometimes – reduce settings next batch, current shirt usually lost |
| Horizontal lines (banding) | Clogged print head or paper feed issue | Yes – clean print heads, reprint, fresh blank |
| Bleeding / blurry edges | Over-press or wet paper | No on current blank, prevent next time |
| Black looks brown or red | Wrong ICC profile or non-sublimation ink | Yes if profile, no if wrong ink |
| White spots / moisture dots | Moisture in blank or paper | Sometimes – pre-press, retry. Spots usually permanent |
| Uneven / patchy transfer | Pressure imbalance or fabric texture | Sometimes – re-press with even pressure |
Quick Wins: 5-Minute Fixes Before You Throw It Out
Before giving up on a botched blank, try these quick salvage steps. They will not save every mistake, but they help you decide quickly whether a blank is worth rescuing.
- Pre-press the blank again for 5-10 seconds to remove residual moisture, then re-press the transfer if it is still on the blank
- Try one careful re-press only if the transfer is still aligned – add a few seconds first rather than jumping hotter. If the paper has shifted or been removed, use the blank as a test piece and fix the next press
- Try 3% hydrogen peroxide only on light surface scorch from white or colorfast polyester. Test on a hidden area first, work in a ventilated space, then rinse or wash afterward. It will not fix melted, shiny, or deeply browned fibers
- Wash a stained shirt cold with mild detergent to remove ink residue from unprinted areas
- Run a nozzle check + head cleaning if banding showed up – then reprint and re-press a fresh blank
Can You Fix Sublimation Mistakes? Answer by Substrate
Before we get into specific problems, let me answer the big question: can you save a messed-up sublimation project? The answer depends entirely on what you sublimated onto, and results vary by coating quality and supplier.
| Substrate | Usually Fixable? | Notes |
|---|---|---|
| Ceramic Mugs | Sometimes | Heat + re-release method may help; depends on coating |
| Tumblers | Sometimes | Heat method; results vary by coating quality |
| Glass | Sometimes | Solvent cleanup may help on some coated blanks |
| Acrylic / Keychains | Risky | Test very carefully; solvents may damage the blank |
| Metal Signs | Sometimes | Sometimes can be lightened; rarely full removal |
| Polyester Shirts | Rarely | Usually permanent – sublimation bonds into the fibers |
| Mouse Pads / Fabric Items | Rarely | Usually permanent – prevention is your only real option |
My honest take: If you messed up a mug or tumbler, don’t throw it away yet – you may be able to lighten or remove the ink and try again. Results depend on the coating quality, so test one blank first. If you messed up a shirt… that blank is probably done. That’s why you should always do test presses on fabric before committing to a full project.
Fixable vs Not-Fixable: Master Reference
Use this quick reference before spending time on a salvage attempt. Some mistakes are recoverable with the right approach. Others are total losses where re-doing is faster than fixing.
| Mistake | Outcome | Action |
|---|---|---|
| Faded print | Sometimes salvageable | Re-press only if transfer is still aligned; otherwise adjust settings and re-do on fresh blank |
| Wrong colors (ICC issue) | Salvageable for next batch | Fix ICC profile, reprint, fresh blank |
| Light scorch on polyester | Sometimes salvageable | Spray peroxide, sun-dry to lighten |
| Ghosting on shirt | Total loss | Re-do on new blank |
| Wrong ink (not sublimation) | Total loss | Switch to verified sublimation ink, re-do |
| Wrong substrate (cotton, non-coated) | Total loss | Use polyester or coated blank, re-do |
| Bleeding edges | Usually total loss | Reduce time and temp next batch |
| White spots (moisture) | Sometimes salvageable on hard blanks | Remove ink, retry with pre-pressed blank |
| Banding lines | Salvageable for next batch | Clean heads, reprint, fresh blank |
| Uneven pressure / patchy | Sometimes salvageable | Re-press with even pressure or pillow |
Color key: Green = salvageable, Yellow = sometimes, Red = total loss. The clearest decision rule is whether the print is on the blank but wrong (often fixable) or never transferred correctly (usually not fixable).
Should You Fix It or Start Over?
This quick decision table covers the most common scenarios. Use it before spending time on a salvage attempt.
| Situation | Best Choice | Why |
|---|---|---|
| Ghosting on a shirt | Start over | The shifted image is bonded into the polyester fibers |
| Slightly faded print with paper still aligned | Try one careful re-press | A little more time may complete the transfer |
| Wrong ICC profile | Fix settings, then reprint | The current blank usually cannot be color-corrected cleanly |
| Hard blank with light ink marks | Try removal | Some coatings release ink with heat or careful solvent cleanup |
| Heavy scorch, melted polyester, or warped acrylic | Start over | The material itself is damaged |
The 10 Most Common Sublimation Mistakes (And How to Fix Each One)
These are organized from most common to least common based on what comes up most in the sublimation community.
1. Ghosting (Double/Shadow Image)
Ghosting is that frustrating blurry shadow or double image you see on your finished product. It happens when your transfer paper shifts even slightly during pressing. This is one of the most common beginner problems – and it’s so discouraging because the design was perfect, you just moved the paper a tiny bit.
The paper moved when you closed the press, opened it, or removed the blank. Even a millimeter of shift creates visible ghosting. To prevent it, use heat-resistant tape on all hard substrates like mugs, coasters, metal, and glass – this is strongly recommended. For shirts, a light spray adhesive keeps the paper in place, but test carefully to avoid residue. Always open your heat press straight up and never slide or drag it.
Can you fix ghosting after pressing? Unfortunately, no. Once ghosting happens, the double image is permanently bonded. For hard substrates like mugs, you may be able to remove the ink entirely and start over (see the removal section below). For fabric, the blank is ruined.
My tip: Always tape everything, even items you think won’t shift. Heat tape costs pennies per use and saves entire projects.
2. Faded or Dull Colors
Your design looked vibrant on screen and on the printed transfer paper, but after pressing it looks washed out, pale, or dull. This is probably the most common complaint from beginners.
The usual culprits are temperature too low (the ink didn’t fully convert to gas), not enough press time, moisture trapped in the substrate, or low polyester content in your blank. Start by verifying your press temperature with an infrared thermometer – displays can be off by 10-30°F. Many blanks fall in the 385-400°F range, but always follow your blank supplier’s settings first. Add 10-15 seconds to your press time if colors still look dull, and pre-press every blank for 5-10 seconds to drive out moisture. For vibrant results, 100% polyester works best. Blends can work, but colors usually look softer and more vintage.
The moisture issue catches a lot of people off guard. You’ll get inconsistent results – some prints vibrant, some faded – and can’t figure out why. Blanks stored in garages or basements absorb humidity. A short pre-press often helps a lot by driving out moisture before you apply the transfer.
3. Wrong or Inaccurate Colors
Your reds look orange, your greens look blue, or skin tones look completely off. Color problems in sublimation are common and can be really confusing.
The most likely cause is a missing or wrong ICC color profile for your sublimation ink brand. Download and install the correct profile from the ink manufacturer’s website – this is the #1 fix for color issues. Also make sure your color management settings match the ICC workflow recommended by your ink supplier – a mismatch between software, driver, and ICC profile is a common cause of color shifts. Old or degraded sublimation ink can also cause problems, especially if stored in sunlight, so check expiration dates and never mix ink brands in the same printer.
Check out my detailed guide on sublimation green printing blue if you’re specifically having issues with greens and blues – it’s one of the most common color problems.
4. Sublimation Not Transferring at All
You press your blank, peel the paper, and… nothing. Or barely a faint ghost of your design. This is heartbreaking, but usually has a simple explanation.
Either you’re using the wrong substrate (not polyester-coated or not enough polyester content), you printed on the wrong side of the sublimation paper, the temperature is way too low, or you’re accidentally using regular inkjet ink instead of sublimation ink. Confirm your blank is sublimation-compatible, check which side of the paper you printed on (the coated side is brighter white and slightly tacky), and verify your press temperature. For the ink, do a quick test: print on sub paper and press onto a polyester scrap. No transfer means it’s not sublimation ink.
I have a full guide on why sublimation won’t transfer with 9 causes and fixes if you’re dealing with this issue.
5. Scorching or Burn Marks
Brown or yellow marks on your blank, warped material, or a burnt smell. Over-pressing is just as bad as under-pressing – and it’s not always obvious that you’re doing it.
This happens when your temperature is too high, press time is too long, you’re using too much pressure (especially on delicate items), or you’re not using protective paper. Lower temperature by 5-10°F, reduce press time by 10-15 seconds, and always use butcher paper or a Teflon sheet above and below your blank. For fabrics, a pressing pillow distributes pressure more evenly and prevents those annoying seam lines.
Can you fix a scorched blank? On hard substrates like mugs, you can sometimes lighten the ink and re-press, but results vary. On fabric? A scorch mark is permanent damage to the fibers – that blank is done.
6. Banding or Horizontal Lines
Visible horizontal lines or stripes running across your print. This one confuses a lot of people because it’s actually a printer issue, not a pressing issue.
Banding is caused by partially clogged print head nozzles, a misaligned print head, low ink levels, or printing on “draft” or “fast” quality mode. Run a nozzle check pattern – if you see gaps or missing lines, the head is clogged. Run 1-3 cleaning cycles (but don’t overdo it, since excessive cleaning wastes ink). Always print on “High Quality” or “Best” setting, never draft mode, and refill ink before levels get too low. Print at least once or twice a week to keep nozzles from drying out.
My tip: Print a small nozzle check at the start of each printing session. It takes 30 seconds and catches problems before they ruin a blank.
7. Bleeding or Ink Spreading
Your design looks like it “bled” outward, with fuzzy edges and ink spreading beyond where it should be. This makes fine text and detailed designs look terrible.
Bleeding usually comes from too much pressure, too much time (over-pressing), too much ink saturation in the design, or not using butcher paper to absorb excess ink vapor. Reduce pressure slightly – you want firm contact, not crushing force. Use butcher paper both above and below the blank, and in your design software, try reducing color density or saturation by 10-15%. Also double-check that your press time matches the recommended settings for your specific blank.
8. Black Turning Brown or Reddish
Your black areas look brownish, reddish, or “muddy” instead of deep black. This is a subtle but annoying problem that really affects the quality of your finished product.
Black is the most sensitive color to over-pressing. If your blacks look brown, lower temperature by 5-10°F and reduce your press time slightly. Also make sure you have the correct ICC color profile installed for your specific ink brand – without the right profile, your printer doesn’t know how to produce a true black.
9. White Spots or Moisture Dots
Random white spots or dots scattered across your transfer. These look like tiny blank areas where the ink didn’t transfer. Almost always a moisture issue.
Moisture trapped in the blank is the #1 cause, followed by dust, lint, or debris on the surface, and air bubbles between paper and substrate. The fix is straightforward: pre-press every blank for 5-10 seconds to drive out moisture, use a lint roller on all fabric blanks before pressing, store blanks in a dry location (not a garage or basement), and make sure the transfer paper is flat against the substrate with no air gaps.
In many cases, white spots become much less common once you start pre-pressing consistently. Takes 10 seconds and can make a noticeable difference.
10. Uneven or Patchy Transfer
Parts of your design transferred perfectly while other areas are faded, missing, or patchy. Really frustrating because it means your settings are almost right – just not quite.
This is usually caused by uneven pressure across the substrate, cold spots in your heat press, warped or uneven blanks, or transfer paper not making full contact. Use a pressing pillow under shirts and fabric items to even out pressure. For mugs and tumblers, make sure your wrap is tight with no air gaps. You can check your heat press for cold spots by running an infrared thermometer across the platen. And if your blanks are warped or damaged, replace them – they often won’t press evenly.
Caps and Phone Cases: Common Sublimation Mistakes
These curved or insert-based substrates fail differently from flat blanks. Knowing the specific failure modes helps narrow down what went wrong.
- Cap front patch low-polyester – colors come out faded; use only sublimation-ready foam-front caps
- Uneven pressure on curved surface – patchy transfer; use a hat press if possible
- Phone case insert shifting – ghosting; secure with heat tape on all sides
- Non-sublimation case material – nothing transfers; verify “sublimation-ready” before pressing
- Pressing through closed case – deformation; always remove insert from case before pressing
Sublimation Settings Cheat Sheet (Prevent Mistakes Before They Happen)
Most sublimation mistakes come down to wrong settings. Here’s a cheat sheet with common starting points – always follow your blank supplier’s settings first, and do a test press with new blanks before committing to a full project.
| Substrate | Temperature | Time | Pressure | Common Mistake |
|---|---|---|---|---|
| Polyester Shirts | 385°F | 45-60 sec | Medium | Too much pressure → bleeding |
| Ceramic Mugs | 355-400°F | 180 sec | Firm wrap | Not enough time → faded |
| Tumblers | 360-385°F | 40-90 sec per zone | Firm wrap | Paper shifting → ghosting |
| Mouse Pads | 400°F | 50-60 sec | Medium | Over-pressing → scorching |
| Coasters (Ceramic) | 400°F | 60 sec | Light-Medium | Moisture → white spots |
| Metal Signs | 400°F | 60-75 sec | Medium | Over-pressing → brown blacks |
| Glass | 365-400°F | 120-180 sec | Light – supplier first | Too much pressure → cracking |
| Acrylic | Follow blank supplier exactly | Varies by blank | Light | Too hot → warping |
Remember: Every press runs a little differently. These are guidelines, not guarantees – always test on a spare blank first.
How to Remove Sublimation Ink (By Substrate)
If your sublimation project went wrong and you want to start over, here are the most common removal methods by material.
Important Before You Start
Ink-removal methods can damage the blank coating, change the finish, or make a blank unusable. Always test on one low-value blank first, work in a well-ventilated area, and follow the blank supplier’s guidance whenever available. Results vary by coating quality and manufacturer.
How to Remove Sublimation Ink from Mugs and Tumblers
If a mug or tumbler didn’t turn out the way you wanted, these coated blanks can sometimes be reworked, depending on the coating quality and how deeply the ink bonded.
The heat gun method: Wrap the mug or tumbler in white butcher paper, then heat the surface evenly with a heat gun on medium-high setting. The ink may transfer onto the butcher paper as it heats up. Repeat with fresh paper until the surface looks cleaner, then wipe with acetone for any remaining traces. Will acetone remove sublimation ink on its own? On some mugs and tumblers, acetone alone works for light marks, but for full prints you’ll usually get better results combining heat first, then acetone to finish.
The oven method works well for tumblers. Wrap the tumbler tightly in white butcher paper, place it in the oven at 400°F for 5-6 minutes, then remove carefully with oven mitts and peel the paper – the ink should transfer onto the paper. Repeat if needed, then wipe with acetone. For ceramic mugs specifically, the heat gun method gives you more control since you can target just the printed area.
Real-world note: The heat gun method gives you more control, especially on mugs where you only need to fix one area. The oven method is faster for full tumbler wraps. Not every blank responds the same way – some coatings release ink more easily than others.
Removing Sublimation Ink from Glass and Acrylic
On some coated glass blanks, acetone can help remove or lighten the sublimation ink. Soak a cotton ball or soft cloth with pure acetone (not regular nail polish remover – get the 100% acetone) and wipe the surface. Results depend on the coating – some blanks clean up well, others may show residual staining.
Acrylic requires extra caution. Acetone can damage acrylic – it may cause cloudiness, stress cracks, or make the surface brittle. Always test on a tiny hidden area first. On many acrylic blanks, replacement is safer than aggressive cleaning. If you do use acetone on acrylic, use quick, light wipes rather than soaking.
How to Remove Sublimation Ink from Shirts and Fabric
Can you remove sublimation ink from a shirt? I’ll be honest with you: trying to remove sublimation ink from polyester fabric is extremely difficult. The whole point of sublimation is that the ink bonds with polyester fibers at a molecular level. Once it’s bonded, it’s there to stay.
If you’re desperate, you can try a hydrogen peroxide soak for several hours followed by washing, or Rit Color Remover following the package instructions. These methods may lighten the ink somewhat, but probably won’t remove it completely.
For shirts, the practical answer is usually to accept the loss and start with a new blank. This is exactly why a test press on a scrap piece of fabric is so important – a small test scrap can save a full blank.
Can You Sublimate Over Sublimation?
This question comes up often: yes, you can press a new design over an existing sublimation print, but with major limitations.
What happens is the new design layers on top of the old one. Dark designs over light ones work okay because the darker ink covers the lighter print beneath. But light designs over dark ones don’t work at all – you’ll see the old design showing through. And since sublimation can’t print white, any white areas in your new design will show the old print underneath.
On hard substrates like mugs and tumblers, I recommend just removing the old ink first and starting fresh. It takes a few minutes and you’ll get a much better result than trying to cover up a mistake.
First-Project Beginner Traps
If you just got your printer and pressed your first 5-10 projects, these are the mistakes you will probably make at least once. Knowing them ahead of time saves a lot of wasted blanks.
- Skipping the test press on scrap polyester before committing to an expensive blank – always test settings first
- Forgetting to mirror the design – text and logos print backward without mirroring
- Pressing on the wrong paper side – the printed side faces the blank, never the heat plate
- Using cotton or low-poly blends expecting bright colors – sublimation needs polyester
- Pressing without taping the transfer – even slight movement creates ghosting
- Opening the press at an angle instead of straight up, which drags the paper
- Not pre-pressing to remove moisture, especially in humid conditions
- Trusting the press display without checking with an infrared thermometer
For more on getting started without these traps, see the sublimation for beginners 30-day roadmap.
Sawgrass vs Epson: Printer-Specific Mistakes
The two main sublimation printer ecosystems have different failure modes. Knowing which printer you have helps narrow down what likely went wrong.
Common Sawgrass (SG500, SG1000, Virtuoso) mistakes:
- Ignoring the cartridge expiration date – old ink contributes to weak colors
- Letting the printer sit idle for more than 7 days without printing
- Bypassing Sawgrass Print Utility and using a generic system driver instead
- Skipping the periodic maintenance cycle
Common Epson EcoTank (ET-2800/2803/2850/4800) mistakes:
- Skipping the ICC profile setup after conversion – this causes wrong colors
- Using mixed inks from different brands in the tanks
- Letting converted printers go idle for 1-2 weeks, leading to clogged nozzles
- Running heavy Power Cleans repeatedly instead of nozzle checks and standard head cleanings first. Power Cleaning uses a lot of ink, so only use it when needed and wait at least 12 hours before repeating it
For deeper maintenance, see the 5-tier unclog system.
How to Prevent Sublimation Mistakes
A quick mental checklist before every press helps prevent most avoidable problems. If you want to fix sublimation mistakes, the best approach is preventing them in the first place.
Before printing: Run a nozzle check to make sure all colors are firing cleanly. Confirm your design is mirrored, the paper is loaded coated side down, and print quality is set to “High” or “Best.”
Before pressing: Make sure your heat press has been preheating for at least 10-15 minutes and verify the actual temperature with an IR thermometer. Pre-press the blank to remove moisture, lint-roll it if it’s fabric, then secure the transfer paper with heat tape. Place butcher paper above and below, and set your timer for the correct substrate.
After pressing: Lift the press straight up without sliding. Follow the paper and blank recommendations for peel timing – some projects work better peeled warm, while others are best left to cool briefly. Check that colors look vibrant and the design transferred completely.
It takes 30 seconds to run through this mental list, and it catches most sublimation mistakes before they happen.
My Recommended Sublimation Troubleshooting Supplies
Good supplies prevent most problems. Here are the essentials to keep within arm’s reach of your press:
Heat-Resistant Tape: Heat Resistant Tape – Helps prevent ghosting on hard substrates. Don’t skip this!
Infrared Thermometer: Etekcity Infrared Thermometer – Verify your actual press temperature. Most displays are off by 10-20°F.
Butcher Paper: Butcher Paper Roll – Protects your press, absorbs excess ink, and useful for ink removal.
100% Acetone: Pure Acetone – For attempting ink removal from mugs, glass, and some coated blanks. Get the pure stuff, not regular nail polish remover.
Lint Roller: Sticky Lint Roller – Use on every fabric blank before pressing to remove dust and fibers that can cause white spots.
Pressing Pillow: Heat Press Pillow – Evens out pressure on shirts and prevents patchy transfers and seam lines.
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FAQs
Can you fix sublimation ghosting on a shirt?
Usually no. If the transfer paper shifted during pressing, the shadow image bonds into the polyester fibers and cannot be removed cleanly. You can sometimes reuse the shirt as a test blank, but for a clean finished project you will need to press a new shirt. To prevent it, use light spray adhesive, lift the press straight up, and avoid moving the paper while it is hot.
Can you fix sublimation on cotton or low-polyester shirts?
Not really. Sublimation needs polyester fibers or a sublimation coating to bond properly. If you press onto cotton or a low-polyester blend, the print may look faded, wash out quickly, or not transfer well. You cannot fix that after pressing. For bright results, use high-polyester fabric or a transfer product made for cotton.
How do I do a sublimation test press correctly?
A test press is a 1″x1″ print on a scrap piece of polyester or a cheap blank from the same batch. Print your design at full settings, press at the exact temperature and time you plan to use, and check the result. If colors look faded or shifted, adjust settings before pressing your real blank. A 2-minute test saves more expensive mistakes than any single technique. Pro sellers do a test press for every new fabric type or blank supplier.
What are the most common first-project sublimation mistakes?
The most common first-project mistakes are skipping the test press on scrap polyester, forgetting to mirror the design, printing on the wrong paper side, using cotton or low-polyester fabric, and not taping the transfer in place. Each one is easy to avoid once you know it exists. The test press alone saves the most expensive mistakes because you find settings problems on a scrap before ruining a paid blank.
Can you fix a scorched polyester shirt?
Sometimes. Light surface scorch from over-pressing can sometimes be reduced with a spray of 3% hydrogen peroxide on the affected area, then air drying in sunlight for several hours. Test on a hidden spot first. Heavy scorch where the polyester fibers themselves have melted or darkened is permanent. For prevention, drop your press temperature by 5-10°F and check actual plate temp with an infrared thermometer.
When should I re-do versus try to fix a sublimation mistake?
Re-do when the problem is on a cheap blank (under $5) or when fixing risks making it worse (heavy scorch, deep bleeding, ghosting on shirts). Fix when the problem is on an expensive blank (premium tumblers, leather, full-size canvas) and the fix has a reasonable chance of working (faded print, ICC color shift, light banding). A simple rule: if the fix takes more than about 10 minutes of risky steps, re-doing is usually faster than fixing.
Why does my Sawgrass print show banding?
Banding on Sawgrass printers usually comes from clogged or partially clogged print heads. Run a nozzle check first, then a head cleaning, then power cycle the printer and wait 12 hours before retesting. If banding persists, check the cartridge expiration date and verify you are printing through Sawgrass Print Utility rather than a generic driver. Persistent banding on a new printer can also mean a faulty cartridge.
How do I avoid making the same sublimation mistake twice?
Keep a simple notebook or settings log near your press. After every project, write down the substrate, temperature, time, pressure, and any issue. Within a few weeks you will see patterns. A 5-minute logging habit prevents most repeat mistakes and is how experienced sublimators avoid losing blanks.
Can you fix sublimation mistakes after pressing?
It depends on the substrate. Mugs and tumblers can sometimes be improved by using a heat gun or oven method to release the sublimation ink, then wiping with acetone. Results vary by coating quality. Glass may respond to acetone cleaning on some coated blanks. Fabric is extremely difficult to fix because sublimation ink bonds with polyester fibers. For fabric, your best option is usually starting over with a new blank.
Can you sublimate over a sublimation mistake?
Yes, you can press a new design over an existing sublimation print, but only dark designs over light ones work well. Light designs won’t cover dark ink, and white areas will show the old print underneath. For hard substrates like mugs, I recommend removing the old ink entirely and starting fresh for the best results.
Why is my sublimation faded after pressing?
Faded sublimation is usually caused by not enough heat, not enough press time, moisture in your blank, or low polyester content in the substrate. Always follow your blank supplier’s recommended settings first. Verify your press temperature with an infrared thermometer, pre-press blanks for 5-10 seconds to remove moisture, and use high-polyester blanks (100% polyester gives the most vibrant results).
How do you remove sublimation ink from a tumbler?
Wrap the tumbler in white butcher paper and either use a heat gun on medium-high to heat the surface (the ink may transfer onto the paper) or place it in a 400°F oven for 5-6 minutes. Repeat with fresh paper until the surface looks cleaner, then wipe any remaining traces with pure acetone. Results vary by coating – some blanks respond better than others.
Why is my sublimation ghosting?
Ghosting (a shadow or double image) happens when the transfer paper shifts during pressing. To prevent it, always secure your paper with heat-resistant tape on hard substrates, use spray adhesive on fabrics, and lift your heat press straight up without sliding. Once ghosting has occurred, it cannot be fixed on the same blank – you’ll need to start over.
Can you remove sublimation ink from a shirt?
Sublimation ink is extremely difficult to remove from polyester shirts because it bonds with the fibers. You can try soaking in hydrogen peroxide for several hours or using Rit Color Remover, but results are usually partial at best. For future projects, always do a test press on a scrap piece of fabric first to avoid wasting blanks.
Why is my sublimation black turning brown?
Black turning brown or reddish is usually caused by over-pressing (too high temperature or too long press time). Black ink is the most sensitive to heat. Try lowering your temperature by 5-10°F and reducing press time by a few seconds. Also make sure you have the correct ICC color profile installed for your sublimation ink brand.
How do I prevent sublimation mistakes?
Follow a pre-press checklist: verify your temperature with an infrared thermometer, pre-press blanks to remove moisture, lint-roll fabrics, secure transfer paper with heat tape, use butcher paper for protection, and always do a test press on a spare blank before committing to a project. Most mistakes come from skipping one of these steps.
Related Cluster Guides
If your specific issue is not above, work through the broader troubleshooting cluster:
- Sublimation Troubleshooting Hub – start here if you have multiple sublimation problems at once
- Sublimation Not Transferring – use this if the design did not transfer at all
- Sublimation for Beginners – if you are still in the first 30 days and need foundations
- Sublimation ICC Profile Setup – use this if the transfer works but the colors are wrong
- How to Wash Sublimation Shirts – if the print transferred but faded after washing
- Sublimation on Tumblers – for tumbler-specific mistakes and settings
Wrapping Up
Sublimation mistakes are frustrating, but they’re rarely the end of the world. Some hard substrates can be saved, and every mistake teaches you something about your equipment and process. The key is knowing exactly what went wrong and how to prevent it next time.
If there’s one thing I want you to take away from this guide, it’s this: pre-press your blanks, tape your transfers, and verify your temperature. Those three habits alone prevent most sublimation problems.
Don’t get discouraged. Every experienced sublimation crafter has a pile of ruined blanks in their past. It’s part of the learning process – and once you dial in your settings, you’ll be getting consistent, vibrant results.
More troubleshooting guides:
Why Is My Sublimation Not Transferring? 9 Causes & Fixes
Why Is My Sublimation Green Printing Blue?
Mug Sublimation Temperature and Time Guide

Emily loves making things special.
She’s also a mom and a wife who enjoys crafting and runs a small business from her home. She knows that the little things can make a house feel like a warm and loving home. This belief has led her to explore the exciting world of sublimation, a crafty way to add a personal touch to just about anything. Her website shares valuable information about sublimation, her crafty ideas, and tips.