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6. Pull the bottom of the paper tray cover ( ) up slightly, and then remove the paper tray
cover ( ), in the order shown in the illustration.
AUB244S
7. Push in the duplex unit along the rails at the back of the printer.
AUB226S
8. Push the duplex unit securely into the printer.
AUB227S
• After finishing installation, you can check whether the duplex unit is properly installed: Print the
configuration page from the [List/Test Print] menu. If it is installed properly, you will see "Duplex Unit"
for "Connection Equipment" on the configuration page.
• If the duplex unit is not installed properly, repeat the procedure from the start. If you cannot install it
properly even after reinstallation, contact your sales or service representative.
2. Installing Options
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