When you use the duplex printing function, Duplex 1 or Duplex 2 features may help to reduce paper jam problems. Go to the Advanced tab of the printer driver and then click the Other Print Options triangle. From Advanced Duplex Settings, choose Duplex 1 to reduce print speed or choose Duplex 2 to reduce print speed and ink density. (Not available for Mac OS X 10.2.x)
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When you choose the duplex printing function, the machine uses all ink cartridges for colour/greyscale print. The machine stops print operations when one or more ink cartridges require replacement.