MJ8330 80mm Thermal Receipt Printer 300mm/s -MINJCODE
300mm/s High-Speed Thermal Printing for Continuous Commercial Operations
Huizhou Minjie Technology Co., Ltd., manufacturer of the MINJCODE brand, presents the MJ8330 — a high-performance receipt printer designed for high-volume, demanding commercial environments. 300mm/s ultra-high-speed printing dramatically improves efficiency; built-in 2048K super input buffer receives data while printing; supports USB, LAN, RS232, Bluetooth, and WiFi interfaces; waterproof, oil-proof, and dust-proof design handles complex kitchen environments; wall-mountable for special installation needs; equipped with bill not-taken detection and built-in speaker alarm. CE, FCC, RoHS, and BIS certified for worry-free global import.
Designed for Ultra-High-Speed, High-Volume Printing Environments
The MJ8330 is a professional-grade 80mm thermal printing device engineered for high-traffic commercial environments. 300mm/s ultra-high-speed printing, 2048K super buffer, five interface options, and durable construction meet the demanding needs of libraries, government, retail, and food service.
Ultra-High-Speed Printing — 300mm/s
Maximum 300mm/s speed — 3-4x faster than standard 80mm printers. At library checkout desks, government service windows, and supermarket checkouts, dramatically reduces queue wait times and boosts service efficiency.
2048KB Super Input Buffer — Print While Receiving Data
2048K super input buffer — 8-16x larger than industry standard. The printer receives new data while printing current tasks, ensuring no data loss or jamming in high-frequency printing environments. Combined with network disconnection re-printing, provides dual protection for business continuity.
Rugged Design — Waterproof, Oil-Proof, Dust-Proof
Engineered with waterproof, oil-proof, and dust-proof construction, specifically designed for kitchen and food service environments with grease and moisture — significantly reduces failure rates and extends device life.
Wall-Mountable Design
Supports wall mounting for space-constrained environments. At crowded service windows, kitchen pass-through windows, or retail counters, frees up valuable counter space and keeps work areas organized.
Auto Cutter & Long-Life Print Head
High-durability auto cutter with 1,000,000 cutting operations. Print head life of 100KM (at print density ≤12.5) — twice the life of standard 50KM print heads. Maintains stable, reliable performance under high-volume daily use.
Flexible Interface Options for Different Business Environments
Different commercial projects require different communication methods. MJ8330 is available with multiple interface configurations to simplify integration into existing POS systems.
By offering multiple interface options, MJ8330 can adapt to a wide variety of commercial deployment requirements.
Where the MJ8330 Is Deployed
The MJ8330’s ultra-high-speed printing, large buffer, and reliable design make it ideal for high-traffic service environments.
Libraries & Public Reading Rooms
Library check-in and check-out counters require fast printing of loan slips, due date reminders, and reservation notices. The MJ8330’s ultra-high-speed printing at 300 mm/s ensures that patrons do not have to wait long during peak hours; its built-in 2048K buffer can simultaneously process print jobs from multiple check-out terminals; and it supports wall-mount installation to save counter space.
Government Service Centers
Government service counters (such as social security, tax, and household registration offices) need to print various service receipts, queue tickets, and approval documents. The MJ8330’s ultra-high-speed printing reduces public wait times and improves the efficiency of government services; the LAN interface supports stable connectivity with government systems; and the unclaimed receipt detection alert and built-in speaker alarm ensure staff can promptly handle print jobs.
Clothing Stores & Boutiques
Clothing retailers need to process large volumes of transactions quickly, while ensuring receipt designs reflect their brand identity. The MJ8330’s high-speed printing at 300 mm/s ensures efficient operation during peak checkout hours; support for logo download and printing allows for clear display of brand logos on receipts; dual USB and LAN interfaces accommodate the deployment requirements of various POS systems.
Food Service & Catering
Restaurant kitchens and food service environments place special demands on printers—exposure to grease, steam, and high temperatures. The MJ8330’s waterproof, grease-resistant, and dustproof construction is specifically designed for these harsh conditions. The printer can print order slips and preparation sheets in the kitchen, and its wall-mount design allows it to be securely attached to the wall near the order pickup area; bill arrival alerts and speaker alarms ensure the kitchen is promptly notified of new orders; it supports internet printing, meeting the order printing needs of food delivery platforms.
Quick Start & Setup Guides*
Specification Parameter
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Iems |
Parameters |
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Print parameters |
Printing Method |
Thermal Line |
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Printing width |
72mm |
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Resolution |
576 Dots/Line Or 512 Dots/Line(8dots/mm,203dpi) |
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Printing Speed |
300mm/s |
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Interface |
USB+Ethernet+Serial |
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Line Space |
3.75mm(Can adjust line space by command) |
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Line No. |
Font A-32 Lines/Font B-42 Lines/Simple,traditional Chinese-16 Lines |
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Character |
standard GB18030 simplified / traditional Chinese |
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Character Size |
ANK character,Font A:1.5×3.0mm(12×24 dots) |
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Bar code Character |
Extended character set |
PC437/Katakana/PC850/PC860/PC863/PC865/WestEurope/Greek/Hebrew/EastEurope/ Iran/WPC1252/PC866/PC852/PC858/IranII/Latvian/Arabic/PT151,1251/PC737/WPC/ 1257/ThaiVietnam/PC864/PC1001/ (Latvian)/(PC1001)/(PT151,1251)/(WPC1257)/(PC864)/(Vietnam)/(Thai) |
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Bar code |
1D Bar code:UPC-A/UPC-E/JAN13(EAN13)/JAN8(EAN8)CODE39/ITF/ 2D: QRcode |
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Graphics printing |
Graphics printing |
Supports bitmap download and print ( each bitmap size Max.20K)
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Cutter |
Cutter Function |
Full cut/Half cut |
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Paper |
Type |
Thermal |
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Width |
79.5±0.5mm |
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Diameter |
≤80mm |
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Feed method |
Easy feed(Clameshell feed) |
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Special function |
Oil Shield |
Support |
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Bills not taken detect and remind |
Support |
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Tibet line slot |
Support |
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Bulit in loudspeaker |
Support |
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Print Commands |
Commands |
ESC/POS |
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Power |
Power Adaptor
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Input:AC 110V/220V,50~60Hz |
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Output:DC 24V/2.5A |
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Cash Drawer output |
DC 24V/1A |
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Buffer |
Input Buffer |
2048K bytes |
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NV Flash |
256K bytes |
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physical characteristics |
Weight |
1.15KG |
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Dimension |
195*140*148(MM) |
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Environment |
Working |
Temp:5 ~ 45℃, Humidity:10 ~ 80% |
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Storage |
Temp:-10 ~ 50℃ ,Humidity:10 ~ 90%(No dew) |
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Reliability parameter |
Print Head Life |
100KM(print density≤12.5) |
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Cutter Life |
1000,000times |
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Software |
Driver |
Android,IOS,Linux,Win2000,Win2003,WinXP,Win7,Win8,Win8.1 |
Tailored Branding & Configuration Services
We offer comprehensive customization services for brands and distributors:
·Custom Logo — Support for logo downloads and printing
·Custom Packaging — Custom box design for your brand (MOQ: 1,000 units)
·Interface Configuration — Multiple interface combinations available, including USB, LAN, RS232, Bluetooth, and Wi-Fi
·Custom Firmware — Modifications to the instruction set to meet specific integration requirements
·Private Label / White Label — Comprehensive rebranding
Manufacturing Standards & Compliance
Six-Stage Quality Assurance
·IQC — Incoming material inspection (housing, components)
·SMT — Automated SMT + AOI optical inspection
·Assembly — Manual assembly + process audit
·Aging Test — 48h continuous operation per unit
·Final QC — Print quality, interface, power, cutter test
·Packing — Protective packaging + full accessories
Certifications & Factory Profile
·FCC — US electromagnetic interference compliance
·CE — EU safety & EMC compliance
·RoHS — Environmental & hazardous substance compliance
·BIS — Indian Standards Institute certification
·ISO 9001:2015 — Quality management system
·Factory audit — 20,000㎡ production base, Huizhou, Guangdong
Frequently Asked Questions
What interfaces does the MJ8330 support?
The MJ8330 supports USB, LAN (Ethernet), RS232 (Serial), Bluetooth, and WiFi. Interface combinations can be customized — please contact the factory for configuration options.
What is the input buffer size?
The MJ8330 features a 2048K (2MB) super input buffer, allowing the printer to receive new print data while printing current tasks — preventing data loss and jamming in high-frequency printing environments.
Is the MJ8330 suitable for kitchen environments?
Yes. The MJ8330 features a waterproof, oil-proof, and dust-proof design, making it ideal for kitchen and food service environments with grease and moisture.
Does the MJ8330 support wall mounting?
Yes. The MJ8330 supports wall-mountable installation, saving counter space in tight areas like service windows, kitchen pass-through windows, and retail counters.
Does the MJ8330 support bill not-taken detection?
Yes. The MJ8330 features bill not-taken detection reminders and a built-in speaker alarm to alert staff when receipts are not collected, preventing lost bills and customer disputes.
What is the MOQ and lead time?
Sample orders: 1 unit, ships within 3 business days. Bulk orders: 100+ units, lead time 5-10 days after confirmation.
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