Epson TM-U220B 17.8 cpi 6 ips 9-Pin Serial Desktop Dot Matrix Receipt Printer - M188B

The Epson TM-U220B (M188B) is a proven 9-pin dot matrix receipt printer built for high-volume POS environments in retail, hospitality, and food service. With a print speed of 6 inches per second (ips), 17.8 characters per inch (cpi), and a serial interface, it delivers fast, reliable receipt printing on standard roll paper — including multi-part forms where impact printing is required. Its robust construction and Epson's reputation for POS reliability make it a trusted choice for businesses that need consistent, uninterrupted receipt output.

Key Specifications

• Part Number / MPN: M188B
• Manufacturer: Epson
• Product Line: TM-U220B
• Printer Type: 9-Pin Dot Matrix Receipt Printer
• Print Speed: 6 ips (inches per second)
• Print Density: 17.8 cpi (characters per inch)
• Interface: Serial (RS-232)
• Form Factor: Desktop
• Paper Feed: Bottom feed
• Auto-Cutter: Yes (partial cut)

Print Performance

• Print Speed: Up to 6 ips
• Print Density: 17.8 cpi
• Print Method: 9-pin impact dot matrix
• Character Sets: PC437, PC850, PC860, PC863, PC865, and more
• Columns: 42 columns (17.8 cpi) / 30 columns (12.5 cpi)
• Multi-Part Printing: Yes — supports 2-ply paper for duplicate receipts

Paper Handling

• Paper Type: Roll paper (single-ply or 2-ply)
• Paper Width: 76mm (3 inches)
• Paper Feed: Bottom feed
• Auto-Cutter: Partial cut (standard)
• Max Paper Roll Diameter: 83mm

Connectivity

• Interface: Serial RS-232
• Baud Rate: 4800–38400 bps (configurable)
• Driver Support: OPOS, JavaPOS, Windows drivers

Features

• 9-pin impact printing — supports multi-part (2-ply) paper for duplicate receipts
• Auto partial-cut for clean, fast receipt separation
• Bottom paper feed for compact counter installation
• High reliability rated for demanding POS environments
• Compatible with Epson ESC/POS command set
• Cash drawer interface (RJ11) for connecting a cash drawer

Physical & Environmental

• Dimensions: Approx. 5.7 x 7.8 x 5.5 inches (145 x 198 x 140 mm)
• Weight: Approx. 1.8 kg (3.97 lbs)
• Operating Temperature: 5°C to 45°C (41°F to 113°F)
• Power Supply: External AC adapter

Compatibility

• Compatible with Windows POS systems via OPOS/JavaPOS drivers
• Works with major POS software platforms supporting ESC/POS command set
• Compatible with standard 76mm (3-inch) single-ply and 2-ply receipt paper rolls
• Cash drawer port (RJ11) for direct cash drawer integration
• Ideal for retail, restaurants, bars, hotels, and food service POS deployments