GPI Lab Tutorials

GPI Lab Tutorials

Learn how to repair your garment printer or fix common problems with our growing database of support articles and garment printer repair and training videos.

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Frequently Asked Questions

Direct to Garment (DTG) Printers

Q: How do I prevent clogs in my DTG printer?

A: Regular maintenance, including daily nozzle checks and weekly head cleans, is key to preventing clogs.

Q: Why is my DTG printer not printing properly?

A: Issues with print quality are often caused by misaligned print heads or incorrect ink levels.

Q: How do I clean the wiper blade on my Brother GT-381?

A: The wiper blade should be cleaned after every printing session.

Direct to Film (DTF) Printers

Q: Why is my DTF printer not transferring ink correctly?

A: Ink transfer issues can stem from incorrect heat settings or improper powder application.

Q: How do I maintain my DTF printer to avoid ink clogging?

A: Regular maintenance like cleaning the print heads and shaker system is crucial to avoid clogs.

Q: What should I do if my DTF powder is not adhering well?

A: Ensure that your heat press settings are accurate for the type of powder you're using.

Transfer Printers

Q: How do I prevent ink bleeding on my transfer prints?

A: Ink bleeding can be caused by incorrect paper or heat settings.

Q: Why are my transfers not sticking to the fabric?

A: Check your press temperature and the type of material you're working with.

UV Printers

Q: How do I prevent ink adhesion issues on my UV printer?

A: Ink adhesion issues can be resolved by adjusting curing times and checking ink compatibility with the substrate.

Q: How do I clean the print heads of my Roland UV printer?

A: Regular cleaning of print heads is essential to prevent clogging and maintain print quality.

Sublimation Printers

Q: How do I troubleshoot print banding on my sublimation printer?

A: Banding is often a sign of clogged print heads or incorrect settings.

Q: Why are my sublimation prints coming out with dull colors?

A: Dull colors can be caused by incorrect color profiles or insufficient heat.

Eco-Solvent Printers

Q: How do I prevent print banding on my eco-solvent printer?

A: Print banding can result from incorrect calibration or media settings.

Q: How do I clean the print heads on my Roland eco-solvent printer?

A: Cleaning print heads regularly prevents ink buildup and improves print quality.

Support Request Form

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