FUJITSU M304X - Manual (Page 102)

(10) Half-line Feed command
The Half-line Feed command specifies half-line feeding. T h i s
command is valid if the line feed pitch is 6 lpi. If the line feed pitch
is 8 lpi, this command is ignored.
This command operates in the same way as the line feed (LF) function
except that the number of lines to be fed is not 1 but As a result,
the line feed pitch is lpi.
(11) Repeat Character command
The Repeat Character command directs the printer to repeat the character
code which the printer received before this control sequence, as many
times as specified in the parameter.
Example:
Data R 5B 31 30 62 OD
CR code
P r i n t i n g R R R R R R R R R R R
R is reported times.
The parameter of this command can specify to 136.
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