Dual-Use A4 Thermal Printer Available in Black & White Wireless Bluetooth for Tattoos & Documents

Product OverviewThis is a portable thermal printer supporting USB and Bluetooth connection. It works with Android, iOS and Windows systems, and is widely used for pattern printing and transfer printing. The built-in 1500mAh rechargeable battery supports mobile use.Main ComponentsFunction ButtonCover Opening SwitchPaper InletPaper OutletType-C PortLimiterBasic Button & Light InstructionsShort press the button: Basic operationDouble press the button: Print self-test page to check device statusBluetooth indicator steady on: Bluetooth connected successfullySafety & General WarningsDo not disassemble, squeeze or drop the printer forcibly.Keep the device away from water, high temperature and direct sunlight.Use standard 5V 2A charger for charging. Do not use unmatched power adapters.If the device cannot power on or work normally, find the RESET hole at the bottom and press it gently to reset.Comply with local electronic waste disposal rules. Do not throw this product into ordinary household trash.This device meets FCC standards. Any unauthorized modification will cancel your right to use the equipment.Product ParametersEffective printing width: 208mmResolution: 203DPIBattery capacity: 1500mAhPower input: 5V 2AConnection mode: USB + BluetoothSupported paper size: 75mm / A4 / 210mm / 216mmCompatible systems: Android, iOS, WindowsPaper Installation GuideSlide the cover opening switch to open the paper compartment.Put the transfer paper or thermal paper into the paper inlet.Key reminder: Remove the transparent protective film on transfer paper before use. Place the paper flat and keep it intact.Pull a small section of paper out from the paper outlet, then close the cover tightly.The printer will feed paper automatically after paper installation.Connection & Operation Steps1. Mobile Phone Connection (Android / iOS)Search and download the official APP named FlashToy from your mobile app store.Turn on the printer and activate Bluetooth on your phone.Open FlashToy APP, follow the on-screen guide to search and pair the printer via Bluetooth.Select patterns, pictures or edit content in the APP. Set printing parameters and start printing.2. Computer Connection (Windows / MacOS)Turn off computer antivirus software temporarily before driver installation.Connect the printer and computer with a USB cable.Get the correct driver matching your printer model (ST80/ST81/ST82/ST83).Unzip and install the driver step by step. Restart the computer after installation.Select the matched printer in your software and start printing.Printing TipsThe quality of transfer paper directly affects the final printing effect. Please use high-quality qualified consumables.This printer supports line patterns, shadow patterns, gradient patterns and background patterns.Do not pull the paper forcibly during printing to avoid paper jam or device damage.Common TroubleshootingNo content printed outReasons: The transparent film of transfer paper is not removed; Paper is placed incorrectlySolutions: Peel off the protective film; Reinstall the paper following the installation stepsBlurry printing effectReason: Low-quality paper or consumablesSolution: Replace with standard high-quality transfer paper and thermal paperAutomatic shutdown or intermittent printingReason: Low battery powerSolution: Charge the printer fully with a standard 5V 2A chargerUnable to power on or button fails to workReason: System error after long-term useSolution: Use a small tool to press the RESET hole at the bottom to reset the device