Chapter 7
The power supply is a UL2601, CSA22.2 and IEC 601.1 approved switching
power supply. The various supply outputs are as follows:
· +5V +/- 2% rated for 12Amp continuous load
· +24V +/- 10% rated for 3.5Amp continuous load
· -12V +/- 3% rated for 1Amp continuous load
· +12V +/- 3% rated for 2Amp continuous load
The printer board contains the printer motor control circuits, the printer head control
circuit and the code for appropriate printing of data for both the internal thermal
printer and an external HP printer . The printer board includes the following:
· Microprocessor for translation of print data for appropriate format for internal
and external
· CPLD – Complex Programmable Logic Device uses µProcessor data to control
motor and print head
· EEPROM stores the code for translation of the data
Grason-Stadler
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