HP Scanjet 7000 Sheet-feed Scanner - Manual (Page 27)

3. Close the scanner hatch, and then reconnect the USB cable and power supply to the
scanner.
4. Update the scanner maintenance history:
a. Press the Tools ( ) button on the scanner front panel to open on the HP Scanner
Tools Utility.
b. In the Record Replacement section of the Maintenance tab, click Record
Replacement.
For more information, see the HP Scanner Tools Utility Help.
NOTE: HP recommends that you replace the rollers every 100,000 scans.
The HP Scanner Tools Utility can remind you when service is needed, which depends
on many conditions and might be sooner than this replacement interval.
Replace the rollers 25