You can search through the HTML manuals.
This section explains how to search for "duplex".
Enter "duplex" in the search box on the top left of the top page.
Click .
A list of titles or descriptions that include "duplex" appears.
A search result appears in the search result window. In addition you can use the drop-down menu to select a manual.
Click a title to display the item you want to read.
Use keywords to search for items you want to query. Depending on the keyword you enter, related keywords might also appear.
Items including the used keyword is appear in the search result window.
If you put a space between keywords, pages that contain both keywords are displayed. For example, if you enter "duplex" and a space and "copy", items including both words appear in the search result window.)