OKI Microline 620 (9-pin Dot Matrix Printer)
#5 in Dot Matrix Printers · Rated 4.4
Durable 9-pin LINE MATRIX with network options
OKI Microline 620 is a robust 9-pin dot matrix printer built for heavy-use, multipart-form printing in busy operations like warehouse receipt printing, logistics, and manufacturing forms. It offers high-speed throughput (up to 700 cps in some configs) with a long ribbon life (up to 8 million characters) and MTBF around 25,000 hours. The model supports multiple media and has options for Ethernet connectivity (OKI LAN) and standard USB, making it suitable for modern office networks while preserving compatibility with older systems. It’s commonly deployed in retail back offices, shipping/receiving, and industrial environments that require reliable, continuous output. Headquarters for OKI Data Americas is Irving, Texas, USA. Established 2020. ([oki.com](https://www.oki.com/la/printing/about-us/corporate-information/global-office/sales-companies/index.html?utm_source=openai))
Features
- Print speeds up to 700 cps
- 8 million character ribbon life
- MTBF 25,000 hours
- Built-in Ethernet and USB connectivity
- Wide media handling (envelopes, labels, continuous forms)
Pros
- High reliability for multipart forms
- Good network integration
- Strong consumables life
Cons
- Higher upfront cost
- Noise vs. modern inkjet