OKIDATA 421 MFG# 62418801 MTIPC » Products Page » Okidata » OKIDATA 421 MFG# 62418801 Okidata 421 Qty: Price: $369.00 Refurbished- Okidata 421 9 Pin Dot Matrix Printer. Includes Grade - A Printer, Ribbon, And Six Month Warranty. Price: $0.00