Support Information:
Device Type: Scanner
Manufacturer: hewlett packard
Model: scanjet 4s c1120a
Interface: Other
Operating System: Windows XP Professional
Age of Device: Not specified
FCCID:

Find it on DriverGuide (http://members.driverguide.com/index.php?action=srch&sm=b&aax=&qa6=&qa5=17&qa7=1500&dp=3&qm0=scanjet+4s+c1120a&jmd=and&fzz=d) | Find it with Google (http://www.google.com/search?hl=en&lr=&ie=UTF-8&oe=UTF-8&q=hewlett+packard+Scanner+hewlett+packard+scanjet+ 4s+c1120a+Windows+XP+Professional+)

The driver HP has posted looks to be some sort of update but I can't tell for sure. The file name is: sj160en.exe, (540.67k) [pretty small to be a driver]

http://h10025.www1.hp.com/ewfrf/wc/softwareDownloadIndex?os=19&softwareitem=sj160en&lc=en&dlc=en&cc=us&lang=en&product=60668