Visitor management registration device_Case

2022-11-26

How to choose a receipt printer

Printing type:ticket/label switchable modeCommunication interface:RS232/TTL+USB+485 interfaceSpecification parameters: 9-24V wide voltage power supplyProduct features: Support status reply function, manual paper tearing, 60MM large paper bin, adjustable label width of 15-55MM, and easy to pack paper structure designSecondary development:supports Linux Android、PLC、 Raspberry pie Windows、 Microcontroller and other control printing

2025-05-10

Metal - Cased Thermal Printers

　　　　Metal - cased thermal printers are engineered to withstand demanding environments and offer enhanced durability compared to their plastic - cased counterparts. The use of metal in their construction provides several distinct advantages. Firstly, metal cases are highly resistant to physical impacts. In industrial settings, where printers may be exposed to accidental knocks, drops, or vibrations, the metal enclosure safeguards the internal components from damage. This ensures consistent operation and reduces the likelihood of costly repairs or printer replacements.　　Moreover, metal is an excellent conductor of heat. Thermal printers generate heat during the printing process, and efficient heat dissipation is crucial for maintaining optimal performance. The metal case acts as a natural heat sink, effectively transferring the heat away from the sensitive internal parts such as the print head. This not only prolongs the lifespan of the printer but also helps in preventing overheating i

2022-11-26

What is thermal paper?

Thermal paper is a special coated processed paper whose appearance is similar to ordinary white paper. The surface layer of thermal paper is smooth. It is made of ordinary paper as the paper base, and a layer of heat-sensitive color-developing layer is coated on the surface of the ordinary paper. The color-developing layer is made of adhesive, color developer, colorless dye (or It is called leuco dye) and is not separated by microcapsules, and the chemical reaction is in a "latent" state. When the thermal paper encounters the heat-generating print head, the color developer and the leuco dye in the place where the print head prints will undergo a chemical reaction to change color and form a graphic.When the thermal paper is placed in an environment above 70°C, the thermal coating begins to change color. The reason for its discoloration also starts from its composition. There are two main heat-sensitive components in the thermal paper coating: one is a leuco dye or leuco dye; the other

2024-06-27

Introduction to the principles of handheld printers

　　　　The working principle of a handheld printer seems more like a computer mouse than a printer. It is equipped with laser sensors developed by Philips, which track the movement of the printer and sense its location. When the device moves on the surface of paper (or other materials), the sensor continuously emits infrared laser to the surface, and then measures the scattering of the reflected beam. This scattering allows optical sensors to track the speed and direction of the printer relative to the page. Next, the built-in controller matches the position coordinates with the pixel map of the target text (or image) and initiates an algorithm to determine the next pixel to be printed.　　Printing a page on a handheld printer only takes 10 seconds. Due to the fact that only a small amount of laser reflection is required to complete the aforementioned motion tracking, it can work on almost any type of surface. As for the printed content, it can be uploaded through Bluetooth, USB, and infra

2025-08-25

Smart Lock QR Code Label Printer

The smart lock QR code label printer is a specialized device designed to produce high - precision, durable QR code labels specifically for smart lock systems. These labels play a crucial role in enhancing the security and convenience of smart locks, as they allow for quick and secure access authoriz