94USBMenusThe Universal Serial Bus (USB) port is part of Auto Switching and is active when the Host Interface menuis set to Auto Switching. It can also be selected as the only Host Interface under the Host Interface menuby selecting USB.A top level USB Port menu with two submenus is also available:• Buffer Size in K. The input buffer size used by the USB port. The range is from 1 to 16. The defaultis 16.• Timeout. The Hotport Timeout value used to determine when the port is inactive. The range is from 1to 60 seconds. The default is 10 seconds.Centronics Parallel InterfaceTable 8 Centronics Interface Connector Pin AssignmentsInput Signals Output Signals MiscellaneousSignal Pin Signal Pin Signal PinDATA LINE 1 2 ACKNOWLEDGE 10 CHASSIS GROUND 17Return 20 Return 28DATA LINE 2 3 ONLINE 13 GROUND 30Return 21 Return 28DATA LINE 3Return422FAULTReturn3229Spares 14DATA LINE 4 5 PAPER EMPTY 12 No Connection 34,35,Return 23 Return 28 36DATA LINE 5Return624BUSYReturn1129+5 Volts 18DATA LINE 6 7Return 25DATA LINE 7 8Return 26DATA LINE 8 9Return 27DATA STROBE 1Return 19PAPER INSTRUCTION 15Return 29PRIME 31Return 30The length of the data cable from the host computer to the printer must not exceed 15 feet (5 meters).
