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Frequently Asked Questions

Everything you need to know about HEROCOLOR smart printers — specs, shipping, payment, materials, and more.

What materials can the H-1620UV print on?

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The H-1620UV uses UV LED curing technology to print on virtually any flat or slightly curved surface up to 8cm thickness. Compatible materials include phone cases (PC, TPU, silicone, leather), commemorative coins (zinc alloy, brass, stainless steel), fridge magnets (acrylic, PVC, epoxy dome), wood/MDF panels, glass, ceramic tiles, leather, metal plates (aluminum, stainless steel), acrylic boards, and stone tiles. The UV ink is cured instantly by 395nm UV LED lamps, forming a hard, scratch-resistant, waterproof coating that lasts 3-5 years outdoors without fading. For smooth non-porous surfaces like glass and metal, we recommend applying a UV pretreatment primer (included with every machine) to improve ink adhesion. The printer supports white ink layering for dark/clear substrates and varnish (clear coat) printing for glossy finishes.

How fast is the T-shirt printer? What's the cost per shirt?

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The H-3040T uses Direct-to-Garment (DTG) technology with Epson i3200-U1 industrial printheads. Printing speed: ~90 seconds for white/light T-shirts (CMYK only), ~150 seconds for dark T-shirts (white under-base + CMYK). Ink cost: $0.12 per light shirt (CMYK), $0.28 per dark shirt (white under-base + CMYK). At a retail price of $15-25 per custom shirt, gross margins reach 85-92%. The printer uses water-based textile pigment inks certified by Oeko-Tex Standard 100 (safe for infant skin). The white ink uses a built-in circulation system to prevent sedimentation and nozzle clogging — a common issue in DTG printing. We recommend printing on 100% cotton or high-cotton blends (80%+) for best color vibrancy and wash fastness (50+ wash cycles without significant fading). For polyester fabrics, a sublimation upgrade module is available.

Does the vending printer require staff to operate?

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No. The H-JNB01 is a fully self-service printing kiosk — it handles order selection, payment, UV printing, and product dispensing automatically with zero staff intervention. The machine features: (1) 21.5-inch touchscreen for customer design selection and preview; (2) Built-in UV LED curing system (no heat, no odor, safe for indoor use); (3) Automatic coin/magnet/case feeding mechanism; (4) Auto nozzle cleaning cycle every 50 prints to prevent UV ink clogging; (5) IoT-connected DMS platform that sends low-stock and low-ink alerts via SMS/email. The only manual task is restocking blank materials (typically once every 3-7 days depending on foot traffic) and emptying the waste ink bottle monthly. Average daily maintenance time: under 3 minutes. The machine is designed for unattended 24/7 operation in malls, tourist sites, and entertainment venues.

Is the edible ink safe for food contact?

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Yes. The RF-SP01 uses food-grade edible ink cartridges certified by FDA 21 CFR, SGS, ISO 22000, and Halal standards. The ink formulation contains only food-safe ingredients: water, propylene glycol (E1520), glycerin (E422), and food colorants (E102/E133/E124/E110/E104/E122/E151). The printer uses Epson edible-ink-specific printheads with a dedicated ink channel design that prevents contamination. Unlike standard inkjet printers, the RF-SP01 features: (1) Food-grade 304 stainless steel ink pathway; (2) Removable/replaceable ink tubes for hygienic maintenance; (3) Auto-cleaning function using food-grade cleaning solution; (4) Sugar sheet / wafer paper feeding system (no direct contact with food). Each batch of edible ink comes with a Certificate of Analysis (CoA). We provide MSDS and food safety certification documents for import customs clearance.

Can I integrate the printers with my existing POS or e-commerce system?

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Yes. All HEROCOLOR printers come with a RESTful API and MQTT real-time push protocol. You can integrate with: POS systems, e-commerce platforms (Shopify, WooCommerce, Magento, Amazon Seller Central), mobile apps (iOS/Android), WeChat/Alipay mini-programs, and custom web platforms. Our API covers: order submission with print-ready image files (PNG/JPG/TIFF/PDF), print queue management, payment confirmation callbacks, real-time machine status (idle/printing/error), ink level monitoring, inventory tracking, and remote print job cancellation. We provide: (1) Full API documentation with Postman collection; (2) SDKs in Python, JavaScript/Node.js, PHP, and Java; (3) Webhook callbacks for async events; (4) Sandbox testing environment. Typical integration timeline: 3-5 days for standard platforms, 1-2 weeks for custom systems. Our technical team provides free integration support via WeChat/WhatsApp/Zoom.

What payment methods do the machines support?

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The H-JNB01 vending printer supports multiple payment methods configurable per market: (1) QR code payments — Alipay, WeChat Pay (China), PayNow (Singapore), DuitNow (Malaysia), PromptPay (Thailand); (2) NFC/contactless — Apple Pay, Google Pay, Samsung Pay, credit/debit cards (Visa, Mastercard, UnionPay, JCB); (3) Cash/coin acceptor module (optional, for markets with high cash usage); (4) Printed receipt with QR code for manual payment confirmation. The payment gateway is region-configurable: Stripe for North America/Europe, Stripe/PayPal for global, localized gateways for Southeast Asia. Settlement: T+1 for digital payments. Multi-currency pricing is supported with automatic FX rate updates. Tax calculation (VAT/GST/sales tax) is built-in and configurable per region. The machine prints a payment receipt with QR code for order pickup verification.

Do you ship internationally? What's the MOQ?

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Yes, we ship worldwide from our Shenzhen factory. Shipping options: (1) Sea freight — most economical for bulk orders, 20-35 days to major ports worldwide, FOB Shenzhen/Yantian; (2) Air freight — 7-12 days, suitable for 1-3 units; (3) Express courier (DHL/FedEx/UPS) — 3-7 days, door-to-door for samples. MOQ: 1 unit for all standard models — perfect for market testing before scaling. Volume discounts: 5% off for 5+ units, 10% off for 10+ units, 15% off for 20+ units. OEM/ODM customization (custom logo on machine, modified dispensing channels, custom UI/software, custom color) MOQ: 10 units. All machines are packed in fumigated wooden crates with EPE foam padding (meets ISPM-15 export standard). We provide: commercial invoice, packing list, Bill of Lading, HS code (8443.32), Certificate of Origin, and insurance. DDP (Delivered Duty Paid) shipping is available for major markets.

Can I monitor and manage multiple machines remotely?

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Yes. All HEROCOLOR printers are IoT-enabled via built-in 4G/WiFi modules, connected to our proprietary DMS (Digital Management System) cloud platform. The DMS dashboard provides: (1) Real-time machine status — online/offline, printing/idle/error, current print job preview; (2) Production data — daily/weekly/monthly print counts, revenue, top-selling designs; (3) Consumable monitoring — UV ink levels (CMYK + white + varnish), printhead health status, waste ink bottle fill level; (4) Inventory tracking — blank material stock with low-stock alerts; (5) Error diagnostics — nozzle clog detection, UV lamp status, motor errors with troubleshooting guides; (6) Remote actions — OTA firmware updates, remote nozzle cleaning, price/product changes, print job queue management. Alerts are sent via SMS, email, WeChat, and push notifications (iOS/Android app). The DMS supports unlimited machines — manage 1 or 1,000+ units from one dashboard. Data is hosted on AWS Singapore with 99.9% uptime SLA.

What certifications do your printers have?

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Our printers hold or are in the process of obtaining the following certifications: (1) CE — EMC Directive 2014/30/EU + LVD Directive 2014/35/EU (H-1620UV and H-3040T certified; H-JNB01 in testing); (2) FCC Part 15 Subpart B — Class A digital device (all models); (3) RoHS 3 — Directive 2011/65/EU + Amendment 2015/863 (all models compliant); (4) FDA/SGS/ISO 22000 — food safety for RF-SP01 edible ink and sugar sheets; (5) REACH — SVHC compliance for inks and materials; (6) UL — in progress for North American market (ETA Q4 2025); (7) PSE — for Japan market (in application). UV ink complies with REACH SVHC and RoHS. We provide: Declaration of Conformity (DoC), test reports, and certificate copies with confirmed orders. For specific market requirements (e.g., SASO for Saudi Arabia, BIS for India, NOM for Mexico), we can assist with local certification agents. UV LED lamps are Class 1 LED (eye-safe, no UV radiation leakage).

Do you provide blank materials (coins, magnets, T-shirts, etc.)?

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Yes! This is HEROCOLOR's core competitive advantage — we are a one-stop supplier for both hardware and consumables. We supply UV-printer-tested blank materials at factory-direct prices: (1) Commemorative coins — zinc alloy (gold/silver/antique bronze plated), brass, stainless steel; various sizes (30mm-50mm); (2) Fridge magnets — acrylic photo frame type, PVC soft magnet, epoxy dome sticker; (3) Phone cases — PC hard case, TPU soft case, silicone case, leather flip case; models for iPhone/Samsung/Huawei/Xiaomi; (4) T-shirts — 100% cotton 180gsm-220gsm, cotton-poly blend; sizes S-3XL; (5) Golf balls — 2-piece/3-piece with urethane cover; (6) Pet accessories — aluminum ID tags, silicone collars; (7) Sugar sheets — edible wafer paper (A4/A3 size), frosting sheets, chocolate transfer sheets. All materials are pre-tested for UV ink adhesion, color reproduction, and curing performance. MOQ: 100pcs for most items, 50pcs for T-shirts. Custom shapes and designs available with mold-making service. Volume discounts up to 40% off for 5000+ pcs orders.