Insert Tray Insert the specified tray into the printer.Install bin Try one or more of the following:• Install the specified bin:1 Turn the printer off.2 Unplug the power cord from the wall outlet.3 Install the specified bin.4 Connect the power cord to a properly grounded outlet.5 Restart the printer.• Cancel the current job.Install duplexTry one or more of the following:• Install the duplex unit:1 Turn the printer off.2 Unplug the power cord from the wall outlet.3 Install the duplex unit.4 Connect the power cord to a properly grounded outlet.5 Restart the printer.• Cancel the current job.Install envelope feederTry one or more of the following:• Install the envelope feeder:1 Turn the printer off.2 Unplug the power cord from the wall outlet.3 Install the envelope feeder.4 Connect the power cord to a properly grounded outlet.5 Restart the printer.• Cancel the current job.Understanding printer messages146