Okidata 421 Printer

The Okidata MICROLINE 421 is a durable and efficient 9-pin wide-carriage dot matrix printer built for demanding business and industrial applications. Designed for printing multi-part forms, shipping documents, invoices, and long reports, the ML421 offers high-speed performance with print speeds up to 570 characters per second (cps). It supports 6-part forms (1 original + 5 copies) and offers versatile paper handling with top, rear, and bottom feeds. Engineered for reliability, the ML421 features a 200-million-character printhead, long-lasting ribbons, and multiple connectivity options to easily integrate into legacy or modern systems.

Product Features: 

• 9-pin wide-carriage dot matrix printing
• High-speed printing up to 570 cps (Super Speed Draft)
• Handles 6-part forms (1 original + 5 copies)
• Multiple paper paths: top, rear, and bottom feed
• Rugged design for high-volume printing environments
• 200-million-character printhead life
• Parallel and serial interfaces standard; optional USB and network interfaces
• Ideal for warehouses, logistics, finance, and industrial operations

Note: This is a refurbished item that comes with a 90-day exchange warranty. This has been serviced and calibrated to work as new. Servicing can include replacement of print heads, gears, rollers, cleaning and re-lubricating all internal mechanisms. Porter Electronics prides itself on only acquiring top quality used products that show minimal signs of use. Buying from Porter Electronics you should expect a very nice, refurbished unit. We do offer an extended warranty that can be purchased during checkout and will apply at the end of our already 90-day warranty.

Porter Electronics also offers free tech support for those needing extra help. We offer a free digital download of the manual for this on this page in the “Downloads” tab. If you are unable to locate the link, just use our Contact Us page to request one.