Duplex unit (DX-7000); Guidelines for printing on both sides of the paper; Figure 4-2- Page 131

4 - 4 OPTIONS

HL7050_US_UG_FM5.5

Duplex unit (DX-7000)

The Duplex unit is an optional device that allows you to print on both 
sides of a piece of paper.  When it is installed, you can select either 
duplex printing or simplex printing on the control panel or with a 
software command.  For more information about the control panel, 
see PAPER menu in Chapter 3.

To install the duplex unit, please see the User's Guide that we have 
supplied with the Duplex unit.  

Figure 4-2

Guidelines for printing on both sides of the paper

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If the paper is thin, it may wrinkle.

■

If paper is curled, straighten it, and then place it in the paper 
tray.

■

If the paper is not feeding correctly, it may be curled. 
Remove the paper and straighten it.