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A Quick Look at Line
Matrix Printing
Character Formation
The InfoPrint 6500-V 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 16.
Figure 16. Typical Character Formation
Matrix visible only to
the printer
Dot Column
Dot Row
Ink dots formed by
hammer tips
Character Row
Character Column
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