forms control buffer (FCB)

In the 3800 Printing Subsystem, a buffer for controlling the vertical format of printed output. The FCB is analogous to the punchedpaper, carriagecontrol tape used on IBM 1403 printers.; 在IBM 3800印刷子系统中,一种用于控制打印输出纵向格式的缓冲器,类似于IBM 1403 打印机上使用的穿孔纸、托架控制带。