HP Deskjet 6540 Color Inkjet Printer - Manual (Page 170)

If the media type or size is not supported by the duplexer, you can print the
document by using the manual two-sided printing instructions .
Note: Do not try to print a two-sided document on single-sided paper, such
as single-sided photo paper.
Binding margin is in the wrong place
1. Open the Printer Properties dialog box.
2. Click the Finishing tab.
3. Verify that the following conditions exist:
• Flip pages up is not selected for binding along the side (book binding).
• Flip pages up is selected for binding along the top (tablet binding).
For more information, see two-sided printing .
Paper size changes when the two-sided printing option is selected
The paper size is not supported by the duplexer.
Colors look faded
If the colors look faded, trying printing the two-sided document by using the manual
two-sided printing instructions .
10.1.5 Automatic Two-Sided Printing Accessory specifications
Dimensions when attached to printer
124.6 mm (4.9 in) tall x 320.5 mm (12.62 in) wide x 77.7 mm (3.06 in) deep
Skew (second side of printed page)
Plain paper: +/- .009 mm/mm (.009 in/in)
Cards: +/- .006 mm/mm (.006 in/in)
Envelopes: +/- .012 mm/mm (.012 in/in)
Media weight
Letter/A4: 60 to 90 g/m² (16 to 24 lb)
Cards: Up to 200 g/m² (110 lb index max)
Specialty paper: Up to 160 g/m² (44 lb bond)
HP Deskjet 6500 series printers
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