IBM 4230 User Guide - Page 306

and in comparisons with jobs printed earlier. print speed. The number of characters printed per unit of time. problem determination. The process of identifying the source of a problem; for example, a program component, a machine failure, telecommunication facilities, user or contractor-installed programs or equipment, an environment failure such as a power loss, or a user error. R ready. A state where you press Start and there are no error conditions. The printer can be ready and online or offline. See also offline and online. Contrast with not ready. remote. Concerning the peripheral parts of a network not centrally linked to the host processor and generally using telecommunication lines with public right-of-way. Synonymous with link-attached. ribbon advance knob. Blue knob used to move the ribbon within the cartridge and around the print head to take up slack and improve print quality. ribbon cartridge. The housing holding the ribbon and containing the ribbon advance knob. ribbon guide. A device that positions the ribbon as it moves from a full spool to an empty one. right roller assembly. Used to guide the right side of cut forms through the F3 forms device. Also known as feed roller. S serial interface. An interface where data is exchanged between the computer and the printer one bit at a time. slotted opening. A space on the bottom of the ribbon cartridge used to align the cartridge with the metal post on the printer frame. SPA. Serial or parallel attachment. T tear bar. A bar that has an edge used to separate continuous forms after they have printed. tear off position. The location on continuous forms where they can be separated using the tear bar on the F2 forms device. top of form. A horizontal print line, near the top of the paper, above which the printer will not print. tractor. The mechanism that controls movement of continuous forms paper by using the paper holes in the margins. tractor doors. Blue doors used to hold continuous forms against the tractor pins. X-6 User's Guide