3nstar K21 21.5 Inch Touchscreen and 80mm Printer User Manual
- August 30, 2024
- 3nStar
Table of Contents
3nstar K21 21.5 Inch Touchscreen and 80mm Printer
Safety Symbols & Disclosures
This section explains the symbols used in this manual and on the product to ensure safe operation and to prevent personal injury and property damage.
Requirements for Use
- Do not place or install the device in direct sunlight or near heat-generating equipment. Do not install the device in damp, dusty, or sooty areas. Ensure the equipment is installed horizontally or in a stable place to prevent it from falling. Do not drip or splash
- liquids onto the device and ensure that no items filled with liquids are placed on the device to prevent liquids from flowing into it. Install the device in a well-ventilated area and do not block the vents. Use the device only within the rated input and output
- range. Do not disassemble or modify this product to avoid physical injury, electric shock, fire, or other accidents. Never attempt to climb on or place heavy objects on the equipment. Do not plug in or unplug the power supply with wet hands to avoid the risk of
- electric shock. Transport, use, and store the device within the allowable humidity and temperature range.
Power Requirements
- Use the recommended wire assembly (power cord) for your region and ensure it is within its rated specifications. Always use the standard power adapter that comes with the device. The user will be responsible for any injury or damage to the device if a
- different adapter is used.
Product Overview
- The K21 product is a new type of self-service cash register designed for supermarkets, large-scale retail stores, and other similar venues. The most notable feature of this product is its versatility; it can be used as a vertical unit with a desktop or mounting
- bracket. It also supports the expansion of features such as Magnetic Stripe Reader (MSR), 80mm receipt printer, Payment Terminal Bracket, and 2D Barcode reader, providing a wide range of functions to meet various cashier needs.
Features
- The K21 product offers a wealth of features, including:
- The entire machine is coated with a metallic spray, giving it a high-end, sophisticated appearance.
- It boasts an exquisite and unique design, allowing for use on a tabletop or vertically, depending on the site’s requirements.
- It features a 21.5-inch large screen display with a 10-point capacitive touch, making it more convenient and faster to use.
- It includes enriched interfaces, which allow for the expansion of functions such as MSR, 80mm printer, Payment Terminal, 2D Barcode reader, and more.
Exterior Dimensions
K21 Figure shows the appearance and dimensions of the product. Unit
Measurement (MM)
Product Operations
ATTENTION This product is designed for indoor installation. Some parts of
the technical specifications do not meet the requirements for outdoor
installation. To ensure the product functions properly, itis recommended to
install it indoors. If outdoor installation is necessary, corresponding
components must be replaced to adapt to the complex environment. This includes
using outdoor dust-proof touch screens and well-ventilated, waterproof
housings, which need to be customized.
Even with the appropriate parts replaced, if the product is installed
outdoors, it must be equipped with a corresponding cover to ensure it operates
in a dry environment and is not exposed to direct sunlight.
K21 Environmental Requirements
K21 Electrical Requirements
K21 Product Communications
Product Equipment
Product Installation Guide
For the first-time use of this appliance, follow these steps strictly: Remove the bottom plate from the K21 product, install it on the vertical bracket, and attach the foot cup to the bottom plate, as shown in figure below.
Take out the WiFi antenna from the accessories and install it at the antenna interface behind the product operation screen, as shown in Figure 2.
Use the key included in the accessories to open the cover plate at the 1/0 interface of the product. Connect the AC power cable to the power input interface of the K21 product, and turn on the power switch, as shown in Figure 3. Once powered on, locate the silver circular button on the front side of the K21 at the bottom. Press it once and release to turn on the device
Note: When the power switch is on the light will illuminate red. The device will not turn on without turning on the main power located in the back panel.
Maintenance and Care
- Routine Maintenance and Care Guide
- Maintain your K21 Kiosk’s efficiency and extend its lifespan by following these essential maintenance and care practices:
DAILY MAINTENANCE
- Clean the Touchscreen: Use a soft, lint-free cloth dampened with a mild, non-abrasive cleaner to wipe the touchscreen. Avoid using excessive moisture.
- Inspect External Components: Check for any visible damage or wear on the kiosk’s exterior, including the floor stand and peripheral devices.
WEEKLY MAINTENANCE
- Clean the Printer: If your kiosk includes the optional thermal printer, clean the print head and rollers using an alcohol-soaked cotton swab. Wait 5-10 minutes for the alcohol to evaporate before resuming use.
- Check Connectivity: Ensure that all cables and connections (Ethernet, USB, power) are secure and free from damage.
MONTHLY MAINTENANCE
- Turn off the kiosk and unplug it from the power source.
- Use compressed air to remove dust from internal components, including the CPU, memory, and storage areas. Check for any loose connections or components inside the kiosk.
- Software Updates: Check for and install any available software updates for the operating system and any installed applications.
IMPORTANT PRECAUTIONS
- Avoid Direct Contact with the Print Head When cleaning the print head, handle it with care to avoid damage. Use only recommended cleaning agents Use medicinal alcohol for cleaning the print head. Avoid industrial alcohol as it can cause damage.
- Always turn off the kiosk and unplug it before performing any maintenance tasks to avoid electrical hazards. Keep the kiosk in a well-ventilated area and ensure it operates within the recommended temperature range (0°C to 40°C) and humidity levels (10% to 80%).
- By following these maintenance guidelines, you can ensure the longevity and optimal performance of your K21 Kiosk. Regular care will help prevent common issues and keep the kiosk running smoothly for years to come.
DISCLAIMER
To ensure the safe and correct use of this product, prevent danger, and avoid
property damage, please read this manual carefully before using the device and
strictly follow the instructions. Check the equipment for any abnormalities
before powering it on and using it. Keep this manual properly after reading
for future guidance.
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