HP Deskjet 6840 Color Inkjet Printer - Manual (Page 186)

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.
Colors look faded
If the colors look faded, try printing the two-sided document by using the manual
two-sided printing instructions .
12.3.6 Auto Two-Sided Print Accessory with Small Paper Tray
specifications
Dimensions when attached to printer
219.3 mm (8.63 in) tall x 320.5 mm (12.62 in) wide x 142.1 mm (5.6 in) deep
Duplexing specifications
For duplexing specifications, including skew, media weight, and media sizes for
paper fed into the printer through the printer In tray, see the Automatic Two-Sided
Printing Accessory specifications .
Small paper tray specifications
Media thickness: 7-12 mils
Media sizes:
• Size range:
• Width: 81.3 to 106 mm (3.2 to 4.17 in)
• Length: 116.8 to 304.8 mm (4.6 to 12 in)
• Cards:
• 10x15 cm, 10x15 cm with tab
• 4x6 in, 4x6 in with tab
• A6, 105x148 mm
• Index card, 4x6 in.
• L, 89x127 mm
• Photo paper:
• 10x15 cm, 10x15 cm with tab
• 4x6 in, 4x6 in. with tab
HP Deskjet 6800 series printer
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