Printer Commands

Chapter 5

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CHAPTER 7: SPECIAL DESIGNS

7.1

DESIGNING WITH BAR CODES

 

When 0 and 180 degree bar codes are X multiplied

 

(CMX) for better readability, the space between

 

characters is also multiplied to create a more

 

readable bar code. The printer will do this internally.

 

Therefore, when multiplying bar codes, use the

 

default value for the spacing element (SP) in the field

 

parameters.

 

If the Y multiplier (CMY) is not multiplied, a barcode

 

with a vertical length of one dot is produced. Of

 

course, this will not be picked up by scanners. Multiply

 

the Y co-ordinate to the proper height. For example:

 

Multiply the Y co-ordinate (CMY) by 154 to create a

 

 

one inch tall bar code.

 

If the bar code is in a ladder (or vertical)

Bar Code Rotations

orientation (90 and 270 degrees), multiply

Figure 13

CMY for width, and CMX for bar code length.

 

It may be necessary to slightly adjust the contrast base or window (^D35 or ^D36) since the dots will be continually fired in succession and may cause distorted print.

Program sample: Bar codes in four rotations (See figure 13)

^A3^D35<CR>

^D57<CR>

9,620,441,,10,25,,,352<CR> 1,320, 30,11, 1,10, ,4<CR> 2,320,120,11, 1,10, ,4<CR> 2,320,137, 1,16, 2, ,4, 2,40,2<CR> 3,487,254,11, 1,10,3,4<CR> 3,470,254, 2,16, 2,3,4,40, 2,2<CR> 4,320,387,11, 1,10,1,4<CR> 4,320,370, 3,16, 2,1,4, 2,40,2<CR> 5,160,254,11, 1,10,2,4<CR> 5,177,254, 3,16, 2,2,4,40, 2,2<CR> ^D56<CR>

^D2<CR>

ROTATIONS<CR>

0DEGREES<CR>

90DEGREES<CR>

180DEGREES<CR>

270DEGREES<CR>

^D3<CR>

7.1.1HUMAN READABLES

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64

410 Operators Manual

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Image 70
Epson 410 manual Designing with BAR Codes, Rotationscr Degreescr, Human Readables