1. Introduction
The HTVRONT Phone Case Heat Press Machine is an advanced auto 3D vacuum heat press designed for sublimation printing on various items, including phone cases, badges, and coasters. It features precise temperature control and a universal mold compatible with popular iPhone models, ensuring high-quality, full-surface transfers with vibrant colors.
This manual provides detailed instructions for the safe and effective use of your HTVRONT heat press machine. Please read it thoroughly before operation.

Image: The HTVRONT Phone Case Heat Press Machine in lavender purple, shown with included accessories such as a phone case fixture, heat-resistant gloves, and sublimation film.
2. Safety Information
Always observe the following safety precautions to prevent injury or damage to the machine:
- Keep hands and fingers away from the heating plates during operation. The plates reach high temperatures.
- Use heat-resistant gloves when handling hot items or components.
- Ensure the machine is placed on a stable, heat-resistant surface.
- Do not operate the machine near flammable materials.
- Unplug the machine from the power outlet when not in use or before cleaning.
- Do not immerse the machine in water or any other liquid.
- Keep out of reach of children.
- Only use the machine for its intended purpose as described in this manual.
3. Product Components
The HTVRONT Phone Case Heat Press Kit includes the following items:
- HTVRONT H17 Phone Case Heat Press (x1)
- Phone Case Fixture Set (x1)
- Badge Fixture Set (x1)
- Sublimation Film (A4) (x5)
- Heat-resistant Gloves (x1 pair)
- Sublimation Badge (58 mm) (x3)
- Tweezers (x1)
- Heat-resistant Tape (x1)

Image: A visual representation of all components included in the HTVRONT Phone Case Heat Press Kit, neatly arranged with quantities.
4. Setup
Follow these steps to set up your heat press machine:
- Unpack: Carefully remove all components from the packaging. Retain packaging for future storage or transport.
- Placement: Place the heat press machine on a flat, stable, and heat-resistant surface. Ensure there is adequate ventilation around the machine.
- Power Connection: Plug the power cord into a grounded electrical outlet. Ensure the voltage matches the machine's requirements.
- Initial Inspection: Before first use, inspect the machine for any visible damage. Do not operate if damage is present.
5. Operating Instructions
5.1 Basic Operation (Quick Start Guide)
The HTVRONT heat press is designed for ease of use, even for beginners. Follow these general steps for heat transfer:
- Power On and Set Parameters: Turn on the machine and use the control panel to set the desired temperature and time according to your material's requirements.
- Preheat and Mount: Place the appropriate fixture (e.g., phone case fixture) into the device. Allow the machine to preheat. Once preheated, mount the item (e.g., phone case) onto the fixture.
- Apply Sublimation Film: Carefully place the printed sublimation film with your design onto the item. Ensure proper alignment.
- Begin Transfer: Close the lid to initiate the heat transfer process. The machine will automatically apply 3D vacuum pressure.
- Completion and Peel: Once the transfer is complete, the machine will signal. Open the lid and carefully peel off the sublimation film while the item is still hot, using heat-resistant gloves.

Image: A visual guide illustrating the four key steps of the 6-minute heat press process, from setting parameters to peeling the film.
5.2 Material-Specific Settings (Quick Reference Chart)
Refer to the table below for recommended temperature and time settings for common sublimation materials:
| Substrate | Material | Tool | Upper Heat Plate Temp | Lower Heat Plate Temp | Preheat Time | Transfer Time | Peeling Method |
|---|---|---|---|---|---|---|---|
| Phone Case | TPU/PC | Universal phone case fixture set | 135°C/275°F | 135°C/275°F | 2-10s | 300-350s | Hot Peel |
| Badge | Metal | Badge fixture set | 140°C/285°F | 140°C/285°F | 2-10s | 330s | Hot Peel |
| Ceramic Plate | Ceramic | Base plate | 140°C/285°F | 140°C/285°F | 2-10s | 300s | Hot Peel |
| Coaster | Leather | Base plate | 135°C/275°F | 125°C/255°F | 2-10s | 300s | Hot Peel |
| Keychain | MDF | Base plate | 135°C/275°F | 135°C/275°F | 2-10s | 300s | Hot Peel |
Table: Quick Reference Chart for recommended heat press settings based on substrate material.
5.3 Universal Mold and Compatibility
The HTVRONT H17 features an adjustable phone case mold designed for compatibility with a wide range of iPhone models (iPhone 12 and above). This single fixture reduces the need for multiple molds.

Image: Illustration showing the heat press's universal adaptation for different iPhone models, highlighting its versatility.
The phone case fixture set includes a main fixture, lens pads, and filler blocks to ensure a snug fit for various phone sizes. Refer to the Model Compatibility Chart for specific recommendations:
| Model | Lens Pad | Filler Block | Model | Lens Pad | Filler Block |
|---|---|---|---|---|---|
| iPhone 16 | I-9 | ② + ③ | iPhone 14 Pro | I-4 | ② + ③ |
| iPhone 16 Plus | I-9 | ① + ② + ③ + ④ + ⑤ | iPhone 14 Pro Max | I-4 | ① + ② + ③ + ④ + ⑤ |
| iPhone 16 Pro | I-8 | ② + ③ | iPhone 13 | I-2 | ② + ③ |
| iPhone 16 Pro Max | I-8 | ① + ② + ③ + ④ + ⑤ | iPhone 13 Pro | I-3 | ② + ③ |
| iPhone 15 | I-6 | ② + ③ | iPhone 13 Pro Max | I-3 | ① + ② + ③ + ④ + ⑤ |
| iPhone 15 Plus | I-6 | ① + ② + ③ + ④ + ⑤ | iPhone 12 | \ | ② + ③ |
| iPhone 15 Pro | I-7 | ② + ③ | iPhone 12 Pro | I-1 | ② + ③ |
| iPhone 15 Pro Max | I-7 | ① + ② + ③ + ④ + ⑤ | iPhone 12 Pro Max | I-1 | ① + ② + ③ + ④ + ⑤ |
| iPhone 14 | I-5 | ② + ③ | |||
| iPhone 14 Plus | I-5 | ① + ② + ③ + ④ + ⑤ |
Table: Model Compatibility Chart for iPhone models, indicating recommended Lens Pad and Filler Block combinations.
5.4 Smart Alignment Feature
The machine is equipped with phone-specific templates and pattern adjustment tools within its software. This feature ensures perfect alignment and complete coverage of your design, significantly improving the accuracy and efficiency of your creative process.

Image: A screenshot of the Smart Alignment software interface, demonstrating how users can adjust pattern size and position for perfect alignment on phone cases.
6. Maintenance
Proper maintenance ensures the longevity and optimal performance of your HTVRONT heat press machine:
- Cleaning: After each use, allow the machine to cool completely. Wipe down the heating plates and exterior with a soft, damp cloth. Do not use abrasive cleaners or solvents.
- Fixture Care: Clean the phone case and badge fixtures regularly to prevent residue buildup.
- Storage: Store the machine in a dry, dust-free environment when not in use. Keep it in its original packaging if possible to protect it from damage.
- Inspection: Periodically check the power cord for any signs of damage. If damaged, contact customer support for assistance.
7. Troubleshooting
This section addresses common issues you might encounter. For problems not listed here, please contact customer support.
- Machine Not Powering On:
- Ensure the power cord is securely plugged into both the machine and a working electrical outlet.
- Check if the power switch is in the 'On' position.
- Verify the electrical outlet is functional by plugging in another device.
- Uneven Heat Transfer/Faded Design:
- Confirm that the temperature and time settings are correct for your specific material (refer to the Quick Reference Chart).
- Ensure the sublimation film is properly aligned and securely taped to the item.
- Check that the item is placed correctly and snugly within the fixture.
- Ensure the item has a sublimation coating, as this machine is only suitable for such items.
- Machine Not Heating:
- Verify the temperature setting is not at 0 or minimum.
- Allow sufficient time for the machine to preheat to the set temperature.
- If the issue persists, contact customer support.
- Excessive Noise:
- The machine operates quietly, typically below 65 dB. If unusual loud noises occur, discontinue use and contact support.
8. Specifications
- Model Number: RY-SJKJ-0651-US
- Brand: HTVRONT
- Material: Metal
- Color: Lavender Purple
- Item Weight: 15.22 pounds (approx. 6.9 kg)
- Product Dimensions: 1.2"L x 1"W x 0.8"H
- Noise Level: <65 dB (Quiet Operation)
- Recommended Uses: Sublimation Phone Cases, Badges, Coasters, Keychains, Slates
- Technology: Auto 3D Vacuum Heat Press
- Temperature Control: Precise digital control
- Compatibility: Universal mold for iPhone 12 and above models
9. Warranty and Support
HTVRONT is committed to providing excellent customer service. If you have any questions or require assistance with your Phone Case Heat Press Machine, please do not hesitate to contact us.
- Customer Support: We provide 24/7 customer support to assist with any issues or inquiries.
- Warranty Information: For detailed warranty terms and conditions, please refer to the warranty card included with your product or contact HTVRONT customer service directly.
Thank you for choosing HTVRONT. We hope you enjoy creating with your new heat press machine!