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3.10 Programming
CAUTION: DURING PROGRAM DEVELOPMENT ALL PRINTING SHOULD BE DONE ON
SINGLE SHEET PAPER UNTIL PRINT IS CORRECTLY FORMATTED. PRINTING ACROSS
THICK FOLDS AND DOCUMENT EDGES CAN DAMAGE THE PRINTHEAD.
Two separate command sets, C and I, are selectable either from the keypad using 9 3 FUNCT
(see 3.5.2) or the interface. Mode C is compatible with previous versions of this printer while
mode I is compatible with popular PC based printers. Many commands are identical in both C
and I modes. Unique mode C commands are indicated by (C) and unique mode I commands
are indicated by (I) in the command summary table. Mode C keypad, display and status and
key buffer request commands can still be accessed in Mode I by preceding the Mode C
command with a ESC character. A Windows printer driver for an IBM Proprinter X24 may be
used but the Craden driver is preferred as it defines common transaction document widths,
provides faster throughput in landscape mode, and facilitates writing messages to the display.
3.10.1 Command Summary
ASCII Hex Command
ENQ 05 Status request (use ESC ENQ in mode I)
BEL 07 Load upper display immediate (use ESC BEL in mode I)
BS 08 Reverse line feed (C) or Backspace one character (I)
HT n 09 Configuration download (C) or Horizontal Tab (I)
LF 0A Line feed
VT n 0B Vertical feed (C) or Vertical Tab (I)
FF 0C Eject document
CR 0D Print buffer
SO 0E Begin expanded characters
SI 0F End expanded characters (C) or Begin 17 characters/inch print (I)
DC1/DLE 11/10 Key buffer request (use ESC DC1 or ESC DLEin mode I)
DC2 12 Line count request (C) or Begin 10 characters/inch print (I)
DC3/ETB 13/17 Load upper display delayed (use ESC DC3 or ESC ETB in mode I)
DC4 14 Master reset (C) or End expanded characters (I)
CAN 18 Clear the print buffer (I)
EM 19 Document length request (C)
SUB 1A Status request delayed (use ESC SUB in mode I)
ESC STX 1B 02 Print sideways in landscape mode
ESC SO 1B 0E Begin double height characters (C)
ESC SI 1B 0F End double height characters (C)
ESC - n 1B 2D n Begin (n=1) or end (n=0) underscore (I)
ESC n 1B 3# Feed document up #/120 inches (C)
ESC 0 1B 30 Set 1/8 inch line spacing (I)
ESC 1 1B 31 Set 7/72 inch line spacing (I)
ESC 2 1B 32 Set line spacing stored by prior ESC A (I)
ESC 3 n 1B 33 n Set n/216 inch line spacing (I)
ESC 4 1B 34 Eject the document (I)
ESC 5 n 1B 35 n Begin (n=1) or end (n=0) automatic LF after CR (I)
ESC : 1B 3A Begin 12 character/inch printing (I)
ESC A 1B 41 Begin 60 dot/inch graphics (C) or Store n/72 inch line spacing (I)
ESC B 1B 42 Begin 120 dot/inch graphics (C) or Set vertical tabs (I)
ESC D 1B 44 Set horizontal tabs (I)
ESC E 1B 45 Begin bold print
ESC F 1B 46 End bold print
ESC G 1B 47 Begin correspondence quality (CQ) print
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