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Appendix C. Technical information
General description .......................87
Specifications .........................87
Memory units .........................89
Immediate commands ......................89
Voltage conversion circuitry ....................89
RS-485 serial I/O parameters ...................90
Cash drawer connector pin assignments ...............90
EIA-232 connector pin assignments .................91
EIA-232 parameters .......................91
USB connector pin assignments ..................92
Code page definitions ......................92
Generic code page ......................93
Code page 437........................94
Code page 858........................95
Code page 860........................96
Code page 863........................97
Code page 865........................98
Character fonts.........................98
Thermal printing font ......................98
Impact printing fonts (Models TI1, TI2, TI3, TI4, TI8, TI9, TG3, TG4, TG8, and
TG9) ...........................99
General description
All SureMark printers print the customer receipt using the thermal print head. For
SureMark printers that include a document insert station, documents are printed
using the impact head.
Thermal printing occurs by placing a heating element against a thermally sensitive
paper. By energizing the elements, dots are formed. Thermal printers print dot rows
horizontally across the page; 576 dots make up a single dot row across the paper.
Printing continues row by row until the entire character is formed.
Impact printing utilizes a standard ballistic print head. Each wire is fired against an
inked ribbon which places a dot on the paper.
SureMark printers contain all the circuitry, processing hardware, and software for
operating a thermal and, except for Models TF6 and TM6, an impact printer
mechanism. SureMark printers do not contain a power supply. However, they do
contain voltage conversion circuitry to allow connection to a standard IBM system
interface or to an EIA-232 24 V power supply. (See “Power requirements” on page
12 for specific power supply specifications.)
Specifications
The information in the Document Insert Station column of Table 5 on page 88
applies only to SureMark Models TI1, TI2, TI3, TI4, TI8, TI9, TG3, TG4, TG8, and
TG9. There is no document insert station on Models TF6 and TM6.
Updated April 2, 2009
© Copyright IBM Corp. 1997, 2006 87