HP Deskjet 6840 Color Inkjet Printer - Manual (Page 147)

Accessories?
If the Two-Sided Printing Accessory is attached to the printer,
follow these steps to clear a paper jam from the Two-Sided
Printing Accessory .
If the Auto Two-Sided Print Accessory with Small Paper Tray is
attached to the printer, follow these steps to clear a paper jam
Auto Two-Sided Print Accessory with Small Paper Tray .
11.5 Paper problems
Printer prints on multiple sheets at once
Paper weight
The printer might print on multiple sheets of paper at once if the paper is under the
recommended paper weight. Use paper that meets the recommended paper weight.
For paper weight specifications, see the reference guide that came with the printer.
Paper is loaded improperly
The printer might print on multiple sheets of paper at once if the paper is loaded too
far toward the back of the printer. Reload paper into the paper tray, pushing the
paper until you feel resistance.
The printer also might print on multiple sheets if different paper types are loaded in
the printer. For example, photo paper might be mixed with plain paper. Empty the
paper tray and load only the paper type that is appropriate for the document that
you are printing.
Printer will not feed paper
Try one or more of the following solutions:
• Reduce the number of sheets in the paper tray.
• Remove the paper from the tray, then reload the paper.
• Use a different type of paper.
Printer ejects the paper
If the printer ejects the paper, try one of the following solutions:
HP Deskjet 6800 series printer
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