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Note: Do not press the buttons on either side of the accessory when
installing it into the printer. Use the buttons only when removing the
accessory from the printer.
13.3.2 Enabling the duplexer
1. Open Chooser and select the printer.
2. Click Setup.
The Printer Setup dialog box appears.
3. Select Installed on the Duplex Unit menu, then click OK.
4. Close Chooser.
Note: After the duplexer is enabled, it is not necessary to re-enable it every time
you print.
13.3.3 Printing postcards
Guidelines
• Use only cards that meet the specifications for the Auto Two-Sided Print
Accessory with Small Paper Tray. For more information, see the Auto Two-
Sided Print Accessory with Small Paper Tray specifications.
• When printing a large number of cards, remove the printed material from the
printer's Out tray about halfway through the print job.
• Do not exceed the maximum capacity for the rear tray: 100 cards.
Preparing to print
1. Slide the paper-width guide to the left.
2. Pull the paper lever forward and insert the cards.
The address side of the cards should face outward.
HP Deskjet 6600 series printer User's Guide
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