Microcom 238B Operator's Manual page 95

Chapter 5
5.14.5 HEIGHT/WIDTH COMMAND - <HW2,3>
This command sets up the height and width of the character. In the above example, the
height will be 2 and the width 3. This means that for a 7x8 dot size character it will be 21
dots wide and 16 dots high. Characters are limited in their expansion only by the size of the
ticket. Be careful not to build characters into the ones below them. Once the height and
width have been changed from normal, you must send a <HW1,1> to return to normal size.
NOTE: HW is capped at a maximum of 4 when using soft fonts.
5.14.6 FONT SIZE COMMAND
This command sets the font size of the characters to be printed. The printer defaults to the
font3 size on 200 dpi printers. Alternate font sizes will be available on certain models. See
the font size supplement for actual font size samples and further information.
<F1> Font1 characters (5x7)
<F2> Font2 characters (8x16)
<F3> OCRB (17x31)
<F4> OCRA (5x9)
<F6> large OCRB (30x52)
<F7> OCRA (15x29)
<F8> Courier (20x40)(20x33)
<F9> small OCRB (13x20)
<F10> Prestige (25x41)
<F11> Script (25x49)
<F12> Orator (46x91)
<F13> Courier (20x40)(20x42)
5.14.7 BOXSIZE COMMAND - <BS21,34>
This command changes the box size to the values sent. The first value is the box width and
the second is the box height. The character printed sits in this box. The font3 box size is
20x33 so in this example the character will sit in a box that is one dot higher (34) and one
dot wider (21) than normal. This means that there will be an extra dot space between
characters and between lines of characters. This command is used to get compressed or
expanded spacing of characters. Note: when printing in inverted mode, the entire boxsize
will be printed in the negative image. If a character only takes up a small fraction of the box
size, it will have a large black border around it. This border can be trimmed by sending a
box size that is smaller than the font size.
5.14.8 CLEAR BUFFER COMMAND - <CB>
This command will clear the ticket buffer and be sent before any other commands. In most
instances, this command is not needed as the printer clears itself automatically. The <CB>
command restores all font definitions back to their normal states. This command should be
avoided as it degrades printer throughput.
5.14.9 GRAPHICS COMMAND
This command can be sent with or without a number. The number tells the printer how
many graphics bytes are coming next. If no number is sent, the printer uses the default
value of 7. Therefore, exactly 7 graphics bytes must follow a command of just <G>. The
bytes are sent one after the other without any intervening commas!
238B Operator's Manual - 880053-0101
Printer Commands
5-49