HP SCANJET 4570 C - Manual (Page 3)

preparation
Tools needed:
• phillips screwdriver
Supplies needed:
• Glass cleaner
• lint-free cloths
1 Disconnect the USB cable between the scanner and computer.
2 Disconnect the power supply from the scanner.
Wait at least 15 minutes (after disconnecting power) before dissembling the scanner and
cleaning the glass. This gives the scanner time to cool.