OKI Microline 420 (9-pin Dot Matrix Printer)
#6 in Dot Matrix Printers · Rated 4.3
Fast, network-capable 420-series dot matrix printer
OKI Microline 420 is a high-speed 9-pin dot matrix printer with built-in Ethernet support (OKI LAN) and rugged construction for demanding forms printing. It is designed to handle multi-part forms, labels, and continuous stock with a compact footprint, making it well-suited for retail back offices, shipping docks, healthcare, and manufacturing lines. The 420 supports solid print density, a high ribbon life, and straightforward maintenance with automated feed options. Its network capability and robust chassis differentiate it from many consumer-grade printers in the same class. Headquarters: Irving, Texas, USA (OKI Data Americas). Established 2020. ([walmart.com](https://www.walmart.com/ip/13072354?utm_source=openai))
Features
- 570 cps print speed common for 9-pin models
- Built-in Ethernet network connectivity
- High ribbon life and robust media handling
- 24-pin impact with clear text for forms
- Durable chassis for industrial environments
Pros
- Excellent form-handling and network options
- Reliable over long duty cycles
- Versatile for envelopes and labels
Cons
- Price premium vs basic 9-pin printers
- No color capability