Interface Choices
- Dual Interface: USB V2.0 FS + Serial

User-Friendly Design
- Auto media width switch with 2-inch (58 mm) partition
- Paper saving mode, reducing the length of a receipt by up to 25%
- 180 or 203 dpi options

Reliable Printing Performance
- Fast printing speeds up to 250 mm/sec
- Energy Star certified

Specifications
Print Characteristics
- Print Method: Direct Thermal
- Print Speed: Up to 250 mm/sec
- Print Resolution: SRP-330III: 180 dpi
- Print Width: Up to 72 mm
- Sensor: Paper End, Cover Open

Media Characteristics
- Media Type: Receipt
- Media Width: 80 mm
- Optional: 58 mm
- Media Roll Diameter: Up to 80 mm
- Media Thickness: 0.05 ~ 0.08 mm
- Supply Method: Easy Paper Loading

Physical Characteristics
- Dimensions (W x D x H): 145 x 195 x 146 mm (5.72 x 7.79 x 5.74 inch)
- Weight: 1.6 kg (3.52 lbs.)
- Electrical
• EnergyStar Certified,
• External Power Adaptor 100-240V AC, 50/60Hz
- Drawer Port : 2 ports (Via y-type adaptor)

Performance Characteristics
- Memory: 128 Mb SDRAM, 64 Mb Flash
- NV Image Memory: 768 Kbytes (Mono)
- Receive Buffer: 4 Kbytes
- User Define Buffer: 12 Kbytes
- Interface: USB V2.0 FS + Serial

Environment Characteristics
- Temperature
• Operating: 0 ~ 40 ? (32 ~ 104 ?)
• Storage: -20 ~ 60 ? (-4 ~ 140 ?)
- Humidity
• Operating: 10 ~ 80 % RH
• Storage: 10 ~ 90 % RH

Software
- Emulation: BXL / POS
- Driver / Utility
• Windows Driver
• OPOS / JPOS Driver
• Linux / Mac CUPS Driver
• Virtual COM USB / Ethernet Driver
• Utility Program
• Network Auto Installer

SDK / Plugin
• Android / iOS / Windows SDK
• Linux SDK
• Xamarin SDK
• Web Print SDK
• Cordova Plugin
- Application: mPrint App (Android, iOS)

Fonts / Graphics / Symbologies
- Character Size
• Font A: 12 x 24 Font B: 9 x 17 Font C: 9 x 24
• KOR, CHN, JPN: 24 x 24
- Characters Per Line: SRP-330III: Font A: 42 Font B, C: 56, KOR, CHN, JPN: 21
- Character Sets
• Alphanumeric: 95
• Extended Graphics: 128 x 35 page
• International: 32
- Graphics: Supporting user-defined fonts, graphics, formats, and logos
- Barcode Symbologies: 1D: Coda Bar, Code39, Code93, Code128, EAN-8, EAN-13, ITF, UPC-A, UPC-E , 2D: Data Matrix, PDF417, QR Code

Accessories
- Standard: 2-inch Partition (58 mm), USB A-B Cable 1.8 m
- Optional
• External buzzer, B-Melodist,
• Serial Cable (9-9/25-9 pin), Parallel Cable