Specifications include, but are not limited to: This is a single source posting notification; there are no solicitation documents for download. Note this posting is not a Request for Bid (RFB) or Request for Proposal (RFP). The Financial Operations Division at MN Department of Human Services intends to renew existing annual maintenance agreement with Opex Corporation for 1 Opex Model 51 opener and 1 AS3600 Integrated full page scanner. This has been deemed a single source purchase based that OPEX Corporation is the sole authorized source for parts and service on this equipment, and the warranty is voided if service is provided by another vendor. The scanner also uses proprietary diagnostic software that has not been released to third-party organizations.