50 Care and maintenance
Clean the document scanner area
4.
Clean the document feeder rubber piece at the back of the control panel.
5.
Carefully wipe the scanning glass with a soft, dry, lint free cloth.
• If the glass is very dirty, first wipe it with a slightly dampened cloth, then with a dry
one.
• Be careful not to scratch the glass surface.
6.
Replace the roller in reverse order, and then close the control panel firmly until it clicks
into place.
CB782-90001_UG_EN.book Page 50 Friday, June 29, 2007 4:13 PM
Summary of Contents for 640 Fax series
Page 1: ...HP 640 Fax series User Guide Part number CB782 90001 Second edition 05 2007 ...
Page 6: ...iv Contents ...
Page 36: ...30 Additional features Answer receive mode ...
Page 42: ...36 Advanced faxing Forward faxes ...
Page 74: ...68 Specifications and regulatory information Hewlett Packard LIMITED WARRANTY STATEMENT ...