IBM 4230 User Guide - Page 302

See also Refers to related terms that have similar (but not synonymous) meanings. A access cover. Provides access to the top of the printer for cleaning, changing ribbon cartridges, and loading or changing forms devices. acoustic cover. A cover bonded with a material that reduces operating noise from a machine. audible alarm. An alarm that is activated when predetermined events occur that require operator attention or intervention for system operation. autoload. The automatic forms loading feature on the F2 forms device. automatic forms thickness adjustment (AFTA). A printer mechanism that measures the forms thickness and adjusts the gap from the print head to the platen rod accordingly. Auto Sheet Feeder (ASF) (F4). A mechanically operated device, made up of two major components: the Auto Sheet Feeder mechanism, made up of three automatically operated input bins and a bin designed for manual sheet insertion, and an F4 forms device. B baud. The rate at which data is being sent to or from the computer through the serial interface, in bits per second (bps). bezel. A surrounding or retaining part such as the cable connector support. bidirectional. Printing in either direction, right to left or left to right. blue forms guide/forms sensor. See forms guide/forms sensor. blue forms tension knob. See forms tension knob. blue ribbon advance knob. See ribbon advance knob. blue slotted opening. See slotted opening. blue tractor doors. See tractor doors. buffer. A portion of storage used to hold input or output data temporarily. C Centronics parallel interface. A standard for connecting printers and other peripheral devices to a computer. It defines the plug, socket, and electrical signals that are used for controlling the transmission of data. X-2 User's Guide