Abstract: An interfacing device for collating from a printer and transferring to post-printer receiving equipment, as a document packet, a complete designated document having one or more printed document pages is disclosed. The device comprises a collating tray positioned to accept from the printer each document page, a solenoid initiated system for transferring the document packet from the collating tray to post-printer receiving equipment, and an electronic information control system for tracking documents and informing the solenoid initiated transferring system that the complete designated document is printed and within the collating tray ready for transferring to the post-printer receiving equipment.