The OKI Microline 691 is a rugged 24-pin dot matrix printer designed for heavy-duty industrial and commercial environments, like warehousing, point-of-sale, and financial departments. They are the go-to choice for invoices, receipts, and delivery notes that require multiple carbon-copied layers, as the impact transfers ink through the entire stack simultaneously. It is highly valued for its ability to print crisp letter-quality graphics and up to 7-part continuous multi-part forms.Key SpecificationsPrint Head: 24-PinMax Print Speed: Up to 480 characters per second (High Speed Draft)Max Resolution: 360 × 360 dpiMedia Handling: Handles cards, continuous forms, envelopes, and labels up to 0.48 mm thickReliability: 25,000 hours MTBF (Mean Time Between Failures)

The value of a new or refurbished Oki Microline 691 dot matrix printer typically ranges from $700 to $800.