155
B
A Quick Look At Line
Matrix Printing
Character Formation
The IBM 6400-D Series is an impact printer: it creates characters by printing
ink dots on paper. Dots overlap to produce a solid–appearing character of
uniform density. The dots are made by an assembly of steel hammers
mounted on a rapidly oscillating shuttle. The hammers strike the paper
through a moving ink ribbon. The dot patterns of characters are mapped in
printer memory on invisible matrices, as shown in Figure 70.
Figure 70. Typical Character Formation
Matrix visible only to
the printer
Dot Column
Dot Row
Ink dots formed by
hammer tips
Character Row
Character Column
Summary of Contents for 6400-D Generation II Series
Page 2: ......
Page 3: ...Setup Guide 6400 D Generation II Line Matrix Printers ...
Page 10: ...Table of Contents ...
Page 16: ...16 Chapter 1 Standard Capabilities ...
Page 64: ...64 Chapter 2 Test The Printer ...
Page 158: ...158 Appendix B Printing Speed ...
Page 170: ...170 Software License Agreement ...
Page 183: ......
Page 184: ...177769 001A S550 0376 00 07S550037600 177769 001 Printed in U S A ...