1. Product Overview
The MEM TQ-4050 is a pneumatic dual station heat press designed for efficient and high-quality heat transfer applications on garments. It features a robust industrial-grade framework and precise electronic components to ensure stable temperature control and even pressure distribution. This machine is suitable for medium to large batch production and supports various heat transfer processes such as flock, flex, sublimation, and Inkjet-flex.
Key Features:
- Pneumatic double station design for increased productivity.
- Pressure balancing system on both heat plate and bottom plate.
- Operates in semi-automatic or manual modes.
- Adjustable air pressure via an air reducing valve with a water separator.
- Two-hand operation for enhanced safety.
- CE and RoHS certified.
- Equipped with a digital time and temperature controller.
2. Components and Identification
Familiarize yourself with the main components of the TQ-4050 heat press:
- Air reducing valve
- Two-hand control press buttons (for manual mode)
- Fuse
- Temperature controller
- Power switch
- Emergency stop button
- Handle
- Manual/semi-automatic switch button (not shown in this view)
- Heat plate
- Bottom platen
- Bottom pressure balancing system
- Stand
- Height adjustable foot
The machine also includes 1 T-shirt heating pad and 2 plate pads.
3. Setup Instructions
3.1 Air Compressor Connection
The TQ-4050 heat press requires an external air compressor (not included) for pneumatic operation. Ensure your compressor meets the following specifications:
- Minimum 800W (1 HP) power.
- Minimum 30L (8 gallon) hold tank capacity.
Connection Steps:
- Connect a 5mm inner diameter air hose (typically 8mm outer diameter) to the machine's air inlet.
- Charge the air compressor to a pressure of 0.6-0.7 Mpa (approximately 87-101 psi), up to 0.8 Mpa (120 psi) if possible.
- Adjust the desired air pressure on the heat press's air reducing valve (component 'a' in the diagram). To do this, pull up the cap at the top end of the valve, then turn it to set the pressure.
- After setting the pressure, push the cap back down to lock the setting. The set pressure on the heat press should be lower than the pressure indicated on the compressor's manometer. Commonly used pressures range between 0.4 to 0.6 Mpa (60 to 90 psi).
4. Operating Instructions
4.1 Digital Temperature and Time Controller
The machine is equipped with a digital controller to set and monitor temperature and pressing time.
- SET Button: Press and hold to enter the parameter setting interface. Press and hold again to exit.
- Down Key: Decreases the corresponding parameter value.
- Up Key: Increases the corresponding parameter value.
- Self-tuning: Press and hold the Up key to start self-tuning. The °C or °F indicator on the panel will blink. Do not unplug or press any key until self-tuning is complete (when °C or °F stops blinking). Before self-tuning, set the temperature to the normal working temperature and allow the heat plate to cool to room temperature. Apply self-tuning if the machine cannot control temperature properly. Self-tuning automatically adjusts PID parameters.
The controller displays the 'Set Value' (your target temperature/time) and the 'Temperature' digits (the actual current temperature). A counter function, which tracks the number of transfers per session, can be enabled; contact MEM for instructions.
4.2 Solenoid Valve Adjustment
The solenoid valve controls the speed of the heat plate's up/down movement.
- Two silver/golden screws on the side of the solenoid valve restrict the air flow speed of the cylinder.
- Screwing out: Accelerates the up/down process of the cylinder.
- Screwing in: Slows down the up/down process of the cylinder.
- Once the desired speed is set, tighten the corresponding counter nuts by hand to fix the setting.
4.3 General Operation Steps
This video demonstrates the general workflow for using the heat press:
- Power on the machine and set the desired temperature and time using the digital controller. Allow the machine to reach the set temperature.
- Place the garment flat on one of the bottom platens. Ensure it is smooth and free of wrinkles.
- Position your heat transfer material (e.g., vinyl, paper) onto the garment as desired.
- Slide the platen with the garment under the heat plate.
- Engage the heat plate by pressing the two-hand control buttons (in manual mode) or allowing the semi-automatic function to activate.
- Wait for the set time to elapse. The machine will automatically release the pressure or signal completion.
- Slide the platen out from under the heat plate.
- Carefully remove the heat transfer material from the garment according to its specific instructions (hot peel, warm peel, or cold peel).
- Remove the finished garment and repeat the process for the next item on the other platen, if applicable.
5. Maintenance and Cleaning
Regular maintenance ensures the longevity and optimal performance of your heat press machine.
- Always perform maintenance when the press is switched off and completely cooled down.
- Before any maintenance, disconnect the power plug from the socket.
- Clean the heat press regularly with a soft cloth and a mild household cleaner to remove any adhesive residues or debris.
- For any complex maintenance tasks or issues, consult Technical Support.
6. Troubleshooting
This section provides general guidance for common issues. For persistent problems, contact technical support.
| Problem | Possible Cause | Solution |
|---|---|---|
| Machine does not power on | Power cable disconnected, fuse blown, power switch off. | Check power connection, inspect/replace fuse, ensure power switch is ON. |
| Inconsistent temperature | PID parameters need recalibration, faulty heating element. | Perform self-tuning (see section 4.1). If issue persists, contact support. |
| Uneven pressure | Air pressure too low, platen not level, pressure balancing system issue. | Check air compressor pressure and air reducing valve setting. Ensure platen is correctly installed. |
| Heat plate movement too fast/slow | Solenoid valve adjustment screws incorrectly set. | Adjust the screws on the solenoid valve (see section 4.2). |
7. Specifications
| Attribute | Value |
|---|---|
| Model | TQ 4050 |
| Voltage & Power | 220V (2700W) or 110V (1800W) |
| Time Range | 0-999 seconds |
| Max. Temperature | 260°C / 500°F |
| Heat Plate Size | 40x50 cm (16"x20") |
| Dimensions (L*W*H) | 1080x730x590mm (42"x28"x23") |
| Shipping Dimensions (L*W*H) | 1230x770x650mm (49"x31"x25") |
| Shipping Weight | 145 kgs (320 lbs) |
| Max. Press Thickness | 40mm |
| Material | Alloy Steel |
| Type | Heat Press Machine |
| Automatic Grade | Semi-Automatic |
| Driven Type | Pneumatic |
| Pressure | 0-0.8Mpa (0-110psi) |
| Controller | Digital Time & Temp. Controller |
| Working Mode | Pneumatic |
| Application | T-Shirt, Garment, Clothes/fabric |
8. Warranty and Support
The MEM TQ-4050 heat press machine comes with a 1-year warranty covering all parts. The manufacturer also provides lifetime factory on-line service.
For technical assistance, troubleshooting beyond this manual, or warranty claims, please contact the manufacturer's support team.
Certifications:
- CE Certification: Meets provisions of EC Directives and Harmonized Standards (M.2020.206.C9752, 2006/42/EC Machinery Directive, 2014/35/EU Low Voltage Directive, EN ISO 12100:2010, EN 60204-1:2018).
- RoHS Test: Conforms to RoHS Directive 2011/65/EU Annex II and amending Annex (EU)2015/863 and (EU)2017/2102 (Report No.: B-R2203A0560).
9. User Tips
- Pre-Pressing: Always pre-press garments for a few seconds before applying transfers. This removes moisture and wrinkles, ensuring better adhesion and a smoother finish.
- Protection: Use a Teflon sheet or parchment paper between the heat plate and your transfer/garment to protect both from scorching and residue buildup.
- Test First: Before a production run, always perform a test press on a scrap piece of material or an inconspicuous area of the garment to verify temperature, time, and pressure settings.
- Even Pressure: Ensure the garment and transfer are centered and flat on the platen to achieve even pressure distribution across the entire design.
- Cool Down: Allow the machine to cool down completely before cleaning or performing any maintenance.





