HP LaserJet Pro 400 Reference page 60

Print on both sides
The default setting for the Print on both sides option is off (not selected). Print on both sides is
available when the following conditions exist:
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Paper type on the Paper/Quality tab is set to any paper type except for the following types:
◦
Labels
◦
Color Laser Transparency
◦
Envelope
◦
Heavy envelope
●
Paper sizes is set to any paper size except for the following sizes:
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Envelope #10
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Envelope Monarch
◦
Envelope B5
◦
Envelope C5
◦
Envelope DL
Print on both sides
Select the Print on Both Sides check box to print on the second side of the paper.
Printing on the second side of a page is available when you are using the HP PCL 6 printer driver.
Select the paper type that corresponds to the paper that you are using for the print job. The following
paper types have a different print modes when you manually print on the second side:
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Plain
●
Preprinted
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Letterhead
●
Prepunched
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Bond
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Recycled
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Colored
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Rough
NOTE: To make the Print on both sides check box available in the document options, verify the
Duplex Unit (for 2–sided printing) is set to Installed on the Device Settings tab in the print-driver
Properties tab set.
Cardstock paper can be manually printed on the second side, but no change occurs to the print
mode. Transparencies and labels should never be manually printed on the second side.
44 Chapter 2 Windows software description and installation ENWW