HP LaserJet M4345 Multifunction Printer series - Manual (Page 122)

Print on both sides of the paper
When duplex printing is available, you can automatically print on both sides of a page. If duplex
printing is not available, you can manually print on both sides of a page by feeding the paper through
the product a second time.
NOTE In the printer driver, Print on Both Sides (manually) is available only when duplex
printing is not available or when duplex printing does not support the type of print media being
used.
To configure the product for automatic or manual duplex printing, open the printer-driver properties,
click the Device Settings tab, and then select the appropriate settings under Installable Options.
NOTE The Device Settings tab is not available from within software programs.
NOTE The procedure to open the printer-driver properties depends on the operating system
that you are using. For information about opening the printer-driver properties for your
operating system, see
Open the printer drivers . Look for the column titled "To change the
device configuration settings".
Use automatic duplex printing
1. Insert enough paper into one of the trays to accommodate the print job. If you are loading
special paper such as letterhead, load it in one of the following ways:
● For tray 1, load the letterhead paper with the front side up, bottom-edge first.
● For all other trays, load the letterhead paper with front side down, and the top edge at the
back of the tray.
CAUTION To avoid jams, do not load paper that is heavier than 105 g/m 2 (28 lb bond).
2. Open the printer driver (see Open the printer drivers ).
3. On the Finishing tab, click Print on Both Sides.
● If necessary, select Flip Pages Up to change the manner in which pages are turned, or
select a binding option in the Booklet Layout list box.
4. Click OK.
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