In flatbed mode, objects sit directly on the print platen and the printhead passes over them in a straight line — ideal for phone cases, acrylic sheets, wood panels, leather goods, and any flat rigid surface up to A4 size. In cylinder mode, the integrated rotary attachment is installed and the cylindrical object (bottle, mug, pen, tumbler) rotates in sync with the printhead, wrapping the image seamlessly around the curved surface. Switching between modes takes under two minutes with no tools. The F85V4 is genuinely a dual-purpose machine — a small UV flatbed printer and a cylinder UV printer in one compact unit.

The cylinder attachment on the F85V4 accepts objects with a diameter between 2 cm and 11 cm, and an object height of up to 15 cm. This covers the vast majority of standard drinkware — wine bottles, beer bottles, coffee mugs, ceramic cups, stainless tumblers, and insulated flasks. Slim items like ballpoint pens, lipstick tubes, and USB flash drives (minimum 2 cm diameter) are also supported. If you are unsure whether your specific product fits, send us the dimensions via WhatsApp and we will confirm before you order.

UV-curable ink bonds directly to most rigid surfaces without any primer: acrylic, PVC, ABS plastic, wood, coated metal, leather, and hard PC phone cases all print cleanly out of the box. Glass and uncoated ceramic benefit from a thin coat of UV primer to maximize adhesion and scratch resistance — application takes about 30 seconds and dries almost instantly. Untreated bare metal also performs better with a light primer. GNFEI includes compatible primer with every machine order and provides a full substrate compatibility guide during onboarding. As a direct to object printer, the F85V4 eliminates the transfer films, heat presses, or screens that traditional decorating methods require.

The White ink channel lays down an opaque base layer on dark or transparent substrates before the CMYK colors are printed on top. Without White, printing full color directly onto a black phone case or clear acrylic would produce washed-out, barely visible results because the dark or transparent surface shows through the translucent color inks. A White underbase gives the colors a bright neutral foundation, resulting in vivid, accurate output. White can also be printed over color layers to create milky frosted effects or tactile raised surfaces. The included RIP software controls the White layer order — before, after, or sandwiched between color passes — depending on the finish you need. This makes the F85V4 a capable UV printer for acrylic, dark phone cases, and transparent glass alike.

The Varnish channel deposits a clear UV-curable coating in any shape you define in the artwork file — this is what makes the F85V4 a true spot UV printer rather than a standard flatbed. You can apply a high-gloss varnish over selected areas (logos, text, graphics) while leaving the rest of the surface matte, creating a striking contrast finish. Printing multiple varnish passes in the same area builds up a raised tactile relief — a 3D embossed effect similar to premium business cards or luxury packaging. The Varnish channel works on top of any substrate the machine can print on, and requires no additional hardware or post-processing equipment.

Yes — the F85V4 is specifically designed as a UV printer for small business and print-on-demand operations. Its A4 flatbed accommodates multiple small items per pass (several phone cases, keychains, or USB drives at once), which keeps per-unit production time low even without high-volume throughput. The minimum order quantity is 1 unit, so you can start with a single machine and scale. Unlike industrial UV printers that require dedicated floor space and operator training, the F85V4 sits on a standard workbench, runs on household power (110–240V), and connects via USB. The included RIP software is designed for non-specialist operators and GNFEI provides remote setup support at no extra cost.

The F85V4 ships with a full RIP (Raster Image Processor) software license. The RIP handles color management, White ink layer control, Varnish channel separation, and cylinder rotation calibration. It runs on Windows 7 through Windows 11 and accepts standard print-ready files — PDF, TIFF, PNG, JPG, and AI are all supported. GNFEI provides remote installation support and a step-by-step setup guide. Ongoing software questions are handled via WhatsApp and email by our technical team at no additional charge. No subscription fees apply — the license is perpetual.

UV-cured ink is hardened instantly by the LED lamp as the printhead passes, creating a fully cross-linked polymer layer bonded to the substrate surface. The result is waterproof, scratch-resistant, and UV-stable output that does not fade, peel, or smear under normal use. Prints on promotional items like custom bottles and mugs can withstand hand washing; prints on phone cases and acrylic panels resist daily abrasion. For items that will see heavy use or outdoor exposure, applying a clear overcoat varnish (available from GNFEI) further extends durability. Unlike solvent-based inks, LED UV ink is odorless and does not require ventilation during printing.

The F85V4 covers a wide range of high-margin promotional and gift product lines from a single machine. Flat printing applications include phone cases, acrylic keychains, wooden plaques, leather patches, PVC cards, metal name plates, and tile coasters. Cylinder printing applications include wine bottles, coffee mugs, ceramic cups, stainless tumblers, ballpoint pens, lipstick tubes, and USB flash drives. As a UV printer for gifts and a promotional item UV printer, it supports MOQ-1 personalization — every item in a run can carry a different name, photo, or design at no extra setup cost. This makes it ideal for wedding favors, corporate giveaways, retail personalization services, and e-commerce gift businesses.

Yes. GNFEI sells factory direct with no minimum order quantity — single units and bulk orders are both welcome. For wholesale buyers and resellers ordering 3 or more units, volume pricing and priority shipping are available; contact our sales team at [email protected] for a wholesale quote. OEM and ODM services are also offered for buyers who wish to brand the machine or customize hardware configurations. As a UV printer wholesale supplier with over 10 years of export experience, GNFEI handles all customs documentation, export packaging, and after-sales support directly — no middlemen involved.

The minimum order quantity is 1 unit. The F85V4 ships from our Hong Kong factory via DHL, FedEx, UPS, or TNT with full door-to-door tracking. Standard delivery to Western Europe and North America takes 4–8 business days after payment confirmation. Sea freight is available for bulk orders of 3+ units at significantly lower freight cost. Our team prepares all export documentation — commercial invoice, packing list, and certificate of origin — and the F85V4 carries CE certification, which streamlines customs clearance in the EU, UK, and most other major markets.

Every F85V4 comes with a 12-month manufacturer warranty covering hardware defects in the printhead, LED UV lamp, motor system, and control board. Consumable parts — ink cartridges, cleaning solution, and wear items — are not covered under warranty but are available directly from GNFEI at factory cost with fast worldwide shipping. After the warranty period, lifetime technical support continues via WhatsApp and email at no charge. Replacement parts typically ship within 1–3 business days. Contact [email protected] for a spare parts price list or to discuss an extended service agreement.