The KV-S3085 102 PPM black and white scanner from Panasonic is a workhorse. Check out the the brochure > KV-S3085 Brochure
Here is a brief description:
Refurbished Black & White Scanner, Up to 102 ppm/190 ipm, 600DPI, High Speed BITONAL Duplex Scanner, Dual Ultra SCSI & USB 2.0 Interfaces, ISIS Certified, TWAIN Compliant, Business card to legal size. See PN# KV-SS029 for Color Upgrade Kit. Weight 140lbs.
Link to our video on Youtube on KVS3085
Even though the printer has been discontinued you can still get one from us for less than $12,000 while supplies last.