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Defining the Print Control Packet
Use the print control packet (C) to set the contrast, print, and
margin adjustment, print speed, and printhead width.
Syntax
{
I
,C,contrast,print_adj,margin_adjust,
speed_adj,ph_width p }
C1. C Print Control Packet
C2. contrast -390 to 156. 0 is the default for all printers.
C3. print_adj -99 to 99 in 1/203 inch. 0 is the default for all printers.
Adjusts where data prints vertically on the supply. Increase
the print position to move print up, decrease to move print
down.
C4. margin_adj -99 to 99 in 1/203 inch (or 1/300 inch for 9840 or 9850
printer). 0 is the default for all printers. 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 will
not affect the supply position, dispense position, or backfeed
distance.
C5. speed_adj Print speed in inches per second (ips). Options:
0 Default (formats with serial bar codes automatically
print at 2.5 ips)
20 2.0 ips (only speed for 9403)
25 2.5 ips (default- serial bar codes 9805/9820/9830
9835/9840/9850)
40 4.0 ips (9805/9820/9830/9835/9840/9850)
60 6.0 ips (default for 9820/9830/9835/9840/9850)
80 8.0 ips (9840 V6.5+ or 9850 only)
10.0 10.0 ips (9850 only- 203 dpi with thermal direct supplies)
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 9850 printer can print 203 dpi
serial bar codes with narrow elements of 3 dots (or
greater) at 4.0 ips. You must use a print speed of 2.5
ips with the high energy ribbon. See "Special
Printing Considerations," Chapter 6 for more
information.
C6. ph_width Width of the printhead in dots. Use 0 for these printers.
2-14
Configuring the Printer