VueScan supports HP scanners that support the SCL, LEDM, SOAP and eSCL command sets, as well as those that use the Genesys Logic GL843 chipset. HP sold a large number of scanners, and because they often aren’t supported on modern operating systems, you can often buy them for a low price on ebay. These are flatbed scanners with a transparency adapter in the lid for scanning film, and are still excellent film scanners to this day. Four other notable scanners were made by HP using the Genesys Logic GL843 chip, the Scanjet 4850, Scanjet 4890, Scanjet G4010 and Scanjet G4050. The Scanjet 5300, Scanjet 7400, Scanjet 8200 and Scanjet 8300 were all made by AVision and sold under the HP brand, and use the AVision command set. In 2014, the eSCL protocol (also called AirPrint/Scan) evolved from the LEDM protocol, and most HP scanners released since 2015 use the eSCL command language.Īt the same time HP was making their own scanners, they started reselling scanners from other manufacturers. However, it’s completely undocumented, so we had to reverse-engineer the protocol to support these Laserjet scanners. Unfortunately, VueScan doesn’t support PML scanners natively, but does support them if you install a WIA scanner driver for them from Around 2011, HP started releasing Laserjet scanners that used the SOAP command set, which is also quite similar to eSCL. It was the progenitor of the eSCL command set that many modern scanners use.īefore 2011, HP released Laserjet scanners that used the “Page Manipulation Language” (PML) command set.

Starting around 2012, HP started releasing scanners that used the “Low End Data Model” (LEDM) for the command set. The first generation of these USB scanners used the SCL command set, which was compatible with the SCSI Scanjet scanners and was well documented. Most HP scanners after 1999 were USB 2.0 scanners. The original HP Scanjet scanners used SCSI, which uses a complicated interface card and a thick, bulky cable. Some HP scanners also have WiFi or ethernet interfaces. Types of HP ScannersĮxcept for a few SCSI Scanjet scanners, most HP scanners are USB scanners. More than 400 models of scanners have been sold by HP since 1988.

Some of the product names were Scanjet, Officejet, Deskjet, Envy, Laserjet, Pagewide, Photosmart, psc and Smart Tank. HP later started to include USB scanners in their printers, and produced a large number of stand-alone scanners as well. These were SCSI scanners that were well regarded that used the SCL (Scanner Control Language) protocol. HP has been in the scanner business longer than any other vendor, starting with their ScanJet scanners in 1988.

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