HP 815MFP - Manual (Page 78)

72 hp designjet 815mfp & scanner 4200
standby. See how do I set the scanner system power up/down
timer? on page 38.
• View information on the scanner system’s firmware and
hardware revisions. The information helps you keep track of
your upgrades and is useful for support purposes.
• Initiate a scan of the SCSI or USB interface bus.