Configuring the Printer 2-9
Defining the Print Control Packet
Use the print control packet (C) to set the contrast, print, and margin adjustment, print speed,
and image rotation.
Syntax {I,C,contrast,print_adj,margin_adj,speed_adj,ph_width,
bat_volt,img_rot| }
C1. C Print Control Packet
C2. contrast Print Contrast. Range: -699 to 699. 0 is the default.
C3. print_adj Print adjustment (position). Range: -450 to 450 in 1/203 inch for 203
dpi or 1/300 inch for 300 dpi. 0 is the default. Adjusts where data
prints vertically on the supply. Increase the print position to move print
up, decrease to move print down.
C4. margin_adj Margin adjustment (position). Range: -99 to 99 in 1/203 inch or 1/300
inch for 300 dpi printers). 0 is the default. Adjusts where data prints
horizontally on the supply. Increase the margin position to move print
to the right, decrease to move print to the left. Margin and print
position are format adjustments. They do not effect the supply
position, dispense position, or backfeed distance.
C5. speed_adj Print Speed in inches per second (ips). 0 is the default. Options:
0 formats with serial bar codes automatically print at 2.5 ips
25 2.5 ips (default for serial bar codes)
40 4.0 ips (recommended for supply lengths less than 1.2 inches)
60 6.0 ips (default for parallel bar codes)
Note: Serial bar codes with an 8-dot narrow element do not automatically print at
2.5 ips. Serial bar codes printed at speeds greater than 2.5 ips may not
scan properly. However, the printer can print 203 dpi serial bar codes with
narrow elements of 3 dots (or greater) at 4.0 ips.
C6. ph_width Width of the printhead in dots. Use 0.
C7. bat_volt Battery voltage. Use 0.
C8. img_rot Image rotation. Rotates the printed image 180°. We recommend
designing your formats as needed, so image rotation is not required.
0 is the default. Options:
0 No rotation
1 180° rotation
Note: The image length and width must exactly match the loaded supply or the
rotated image does not print correctly.
Example {I,C,0,-20,-10,0,0,0,1 | }
Uses the default contrast, moves print 0.1 inch closer to the bottom of the supply (20/203 inches)
and .05 inch to the left on the supply (10/203 inches), prints at six inches per second, uses the
default printhead width, and rotates the image 180°.
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