NCR 7167 Owner's Manual page 249

7167 Owner's Manual Appendix B: Print Characteristics
Note: Columns overlap within the format for each print row in half-dot increments
(depending upon pitch), but the printer cannot print overlapping dots on a single print
row. No ASCII character contains overlapping dots on a print row.
Double-Wide Characters
Double-wide characters are upright characters in an 8x7 dot format with twice the column
(horizontal) spacing between printed dots as for standard characters.
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