OKI 9400 Manual De Usuario

must have the optional duplex unit installed before they can be used for duplex printing. 

To use duplex printing: 

 The duplex unit must be activated in the driver. 
 Paper must be fed from Tray 1 (or one of the optional Auxiliary Trays or the optional High 

Capacity Feeder trays) 

 Paper weight must be 20 to 28 lb (74 to 108 g/m

2

) 

 Paper sizes supported: 

- Letter (long or short edge) 
- Legal-14 
- Legal-13.5 
- Legal-13 
- Tabloid 
- Tabloid Extra 
- Executive 
- A3 
- A3 Wide 
- A4 (long or short edge) 
- A5 
- B4 
- B5 (long or short edge). 

Note: If you experience significant curling when printing in the duplex mode and you're using 
20 or 24-lb. paper, switch to 28-lb. paper. 

 

Note: If you haven't already done so, before attempting duplex printing you must activate the 
duplex unit in the driver (PCL, PostScript). 

1.  Open the document in your software application, 

2. Click 

File

 → Print. 

The Print dialog box appears. 

3.  On the General tab, select the OKI C9200 or C9400 PCL printer, then click the Layout 

tab. 

4.  Select Long edge (

) or Short edge (

) binding under 2-sided printing. 

Note: If these selections are grayed out, you need to activate the duplex unit in the 
driver. 

5. Click 

Print. 

 

 

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