H17 Phone Case Heat Press Tutorial

November 9, 2026

Step 1. Unboxing of H17 Phone Case Heat Press

Start by unboxing your new heat press and inspecting its contents. Check to ensure all accessories are included. If anything is missing, please take a photo and contact our customer service immediately for assistance.

H17 Phone Case Heat Press package contents

Checklist:

H17 Phone Case Heat Press
Phone Case Fixture Set
Badge Fixture Set
Sublimation Film
Heat-resistant Gloves
Sublimation Badge
Tweezers
Heat-resistant Tape

Step 2: Inspect the device of the Phone Case Heat Press

Device overview for the H17 Phone Case Heat Press

Step 3. Read the reference chart of the Phone Case Heat Press

Substrate	Material	Tool	Upper Heat Plate Temp	Lower Heat Plate Temp	Preheat Time	Transfer Time	Peeling Method
Phone Case	TPU / PC	Phone case fixture set	135°C / 275°F	135°C / 275°F	2–10 sec	300–350 sec	Hot Peel
Badge	Metal	Badge fixture set	140°C / 285°F	140°C / 285°F	2–10 sec	330 sec	Hot Peel
Ceramic Plate	Ceramic	Base plate	140°C / 285°F	140°C / 285°F	2–10 sec	300 sec	Hot Peel
Coaster	Leather	Base plate	135°C / 275°F	125°C / 255°F	2–10 sec	300 sec	Hot Peel
Keychain	MDF	Base plate	135°C / 275°F	135°C / 275°F	2–10 sec	300 sec	Hot Peel
Slate Coaster	Stone	Base plate	140°C / 285°F	140°C / 285°F	2–10 sec	300 sec	Hot Peel
Sublimation Pen	Aluminium Alloy	Base plate	160°C / 320°F	160°C / 320°F	/	300 sec	Hot Peel
Shrink Plastic Sheet	/	Base plate	160°C / 320°F	160°C / 320°F	/	60 sec	/

*Preheat the film for 5 seconds to soften it and achieve better transfer quality.
*Please use the sublimation paper and the shrink plastic sheet when heat transferring the sublimation pen.
*When heat-shrinking film sheets, please place a heat-resistant silicone mat under the base plate to prevent sticking and ensure a smoother, more even finish.
*The Preheat Time in this table refers to the time required to heat the sublimation film. The "preheating" mentioned in Step 5 is intended to ensure that the phone case fixture has sufficient heat, allowing the sublimation process to achieve uniform heating on both the upper and lower layers.

Step 4. Power on and set the device

Power on the device, set the temperature and time, then wait for heating.

H17 Phone Case Heat Press button functions

Yellow: Set upper heat plate temp

Yellow temperature button for upper heating plate temperature

Red: Set lower heat plate temp

Red temperature button for lower heating plate temperature

Yellow: Set preheat time

Yellow time button for preheat time

Red: Set heat transfer time

Red time button for heat transfer time

Step 5. Place the fixture in the heating chamber

Place the fixture in the heating chamber and close the upper heat plate for preheating for at least 5 minutes (use the support for larger phone cases).

*It is normal for the fixture to appear to have slight movement after placement.

Place the fixture in the heating chamber

Step 6. Place the phone case and your sublimation design

Stick the lens pad inside the phone case, then mount it onto the fixture by pressing firmly towards the lower-left.

Make sure to wipe the phone case clean before pressing.
Make sure the lens pad is used to prevent the phone case from deformation.
When placing the lens pad, avoid covering the air holes.

Place the phone case on the fixture

Step 7. Place your sublimation design

Place the sublimation film flat with the matte side down, ensuring the film's edge fully covers the silicone, then close the plate.

The device will beep once the upper heat plate is lifted up or closed.
Please place the film and close the upper heat plate within 10 seconds.

Place the sublimation film flat with the matte side down

Step 8. Short-press the start button

Once the set temperature is reached, short-press the Start button to begin vacuum sealing and heat transfer.

*Do not open the lid or press any buttons during the process.

Short-press the start button to begin heat transfer

Step 9. Hot peel sublimation film when the heat transfer is complete

Hot peel sublimation film after heat transfer

When the red light turns green, the pressing is done. Then wear heat-resistant gloves to open the heat plate and peel off the sublimation film while hot. Remove the phone case from the fixture.

Finished phone case after hot pressing

Note: For heat-pressing badges, use the badge fixture set and the base plate. For flat materials such as coasters or ceramic tiles, use the base plate.