Lexmark C520 - Manual (Page 45)

Tray linking
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Media specifications
Tray linking
Tray linking enables the automatic linking feature for trays when the same size and type of media is loaded in multiple
sources. The printer automatically links the trays; when one tray is empty, media feeds from the next linked tray.
For example, if the same size and type of media is loaded in tray 1 and tray 2, the printer selects media from tray 1 until it
becomes empty, and then the printer automatically feeds media from the next linked tray — tray 2.
By linking both trays, a single source with a capacity of 750 sheets is created.
If the same size media in each tray is loaded, make sure the media is all the same type in order to link the trays.
Once the selected trays are loaded with the same size and type of media, select the same Paper Type setting in the Paper
Menu for these sources.
To disable tray linking, set the Paper Type to a unique value in each one of the trays. If all the trays do not have the same
type of media when they are linked, a job could mistakenly print on the wrong paper type.
Using the duplex function (two-sided printing)
Duplex printing (or two-sided printing) allows printing on both sides of a sheet of paper. Printing on both sides of paper
reduces printing costs.
For sizes that are acceptable for duplex printing, see Media sizes and support.
Select Duplex from the printer driver to print individual duplex jobs.
Duplex printing on letterhead
When duplex (two-sided) printing on letterhead from the trays, load it with the logo face-down.
Using Duplex Bind
When Duplex Bind printing is selected in the printer driver or Duplex Bind in the Finishing Menu in Settings , either
long edge or short edge binding must be selected, which are the values for this setting. The purpose of Duplex Bind is to
define the way duplexed pages are bound, and how the printing on the back of the sheet (even-numbered pages) is
oriented in relation to the printing on the front (odd-numbered pages).