Citizen BD2-2860, User Manual

Page: 27 / 81

BD2-2860 User’s Manual
CITIZEN 27
9. PRINTER MECHANISM CONTROL SYSTEM
9.1 Thermal Head Control System (Division Driving system)
The LT-286(Line thermal printer) is driven by this control board has a384 dots/line head divided into 6
block of 64 dots each. When actually driving the head, you can select either Fixed Division Number
system, which drives the head, always dividing it into 6 blocks or Variable Division Number system which
collectively drives several blocks at the time according to the number of activated head dots.
For selection by function selection, see 4. DIP SWITCH SETTING.
For selection by a command, see 10.2 Command Details.
9.1.1 Fixed Division Number System
This system always drives each block in the same sequence.
Note) for a stepping motor driving method, see 9.2 Motor Drive.
9.1.2 Variable Division Number System
This system counts the number of printing dots for each block of the printing dot line and drives the blocks
collective in such a manner not to exceed the maximum number of driving dots (64 dots).
Unlike the Fixed Division Number system, this system drives all the head in the head in the head in the 1st
step of the motor and simply feeds the paper in the 2nd step of the motor.
1st Block
64 Dots 2nd Block
64 Dots 3rd Block
64 Dots
4th Block
64 Dots
5th Block
64 Dots
6th Block
64 Dots
1st Step of Motor
2nd Step of Motor
1st Block
64 Dots
2nd Block
64 Dots
3rd Block
64 Dots
4th Block
64 Dots
5th Block
64 Dots 6th Block
64 Dots
6.Dot Line
6.Dot Line
1st Step of Motor
2nd Step of Motor