Lujiang (Luck Jingle) specializes in smart thermal printers, portable label makers, and portable tattoo print solutions for easy Bluetooth printing via iOS and Android.
Lujiang is a technology manufacturer specializing in portable and compact thermal printing solutions. Offered commonly under their mobile application name "Luck Jingle", their product lineup spans from versatile label print makers (like the D400 and C50) to convenient pocket units and portable tattoo stencil printers (like the D83, D82, and A46). These devices effortlessly connect via Bluetooth to their proprietary iOS and Android applications, allowing users to print receipts, organization labels, and intricate designs on the go without the need for traditional ink.
Produced by Xiamen LuJiang Technology Co., Ltd., Lujiang's devices are engineered for efficiency and convenience, frequently featuring USB-C charging, wide thermal paper compatibility, and built-in lithium batteries. Whether for small business logistics, personal organization, or on-demand tattoo stencils, Lujiang integrates modern mobile-friendly software with durable and compact thermal print hardware.
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Download the 'Luck Jingle' app from the App Store or Google Play to connect your Lujiang printer to mobile devices via Bluetooth.
Turn off the printer, open the paper compartment, and wait a few minutes for it to cool down so you don't get burned. Then, gently wipe the print head from the center outward using a cotton swab moistened with medical alcohol.
You can download drivers by visiting the official Luck Jingle website at luckjingle.com and navigating to the Driver Download or AppDriver page.
Ensure the thermal paper is loaded correctly with the printable side facing the thermal print head. Thermal paper only prints on one side. You can scratch the paper with your fingernail; the side that produces a dark mark should face the print head.