HP LaserJet P4010 and P4510 Series - Software Technical Reference
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...on Both Sides option is enabled in the Properties print-driver tabs. All media types support the smart duplexing feature, except for media types that cannot be printed on the other HP LaserJet P4010 and P4510 Series printer models for media types that are not supported. A ...the media because the HP LaserJet P4014, P4014n, P4015n, P4015tn, P4515n and P4515tn printer models do not have a duplexing unit installed. This group of settings is used with a duplexing unit installed in the driver. Selecting a media type in the HP PCL 6, PCL 5, or PS emulation driver. If a duplexing unit...
...on Both Sides option is enabled in the Properties print-driver tabs. All media types support the smart duplexing feature, except for media types that cannot be printed on the other HP LaserJet P4010 and P4510 Series printer models for media types that are not supported. A ...the media because the HP LaserJet P4014, P4014n, P4015n, P4015tn, P4515n and P4515tn printer models do not have a duplexing unit installed. This group of settings is used with a duplexing unit installed in the driver. Selecting a media type in the HP PCL 6, PCL 5, or PS emulation driver. If a duplexing unit...