Dot Matrix?
That looks more like the output from a line printer with a failed hammer (Line printer: has a spinning drum with 132 rings of characters and a bank of 132 hammers. In theory it will print a compolete line in one revolution of the drum.)
That looks more like the output from a line printer with a failed hammer (Line printer: has a spinning drum with 132 rings of characters and a bank of 132 hammers. In theory it will print a compolete line in one revolution of the drum.)