Explica un poco mejor para que podamos entender. Por lo que leo , si entendí bien , quieres hacer escrituras por ambas caras de las hoja?? Si es asi debes configurar en propiedades y decirle que vas a hacer copias por ambas caras.
espero que te sirva. En modo sp 5-104
5104
[Counter Size Setting] (SSP)
Determine whether the counter is doubled for A3/DLT.
001
A3/DLT Double Count *CTL
[0 or 1 / 0 / 1/step]
0: OFF
1: ON
When this SP is set to 1, A3/DLT is counted as double.
002
Bypass Paper Size Undetection *CTL
[0 or 1 / 0 / 1/step]
0: A4 (LT)
1: A3 (DLT)
When this SP is set to 1 and irregular size over A3/DLT is fed from bypass tray, it is
counted as double.
• This SP is available only for a model which does not mount paper size detection