Feed N Dot Rows; Add N Extra Dot Rows - CognitiveTPG A776 ColorPOS Programming Manual

Feed n dot rows

ASCII
NAK n
Hexadecimal 15 n
Decimal
21 n
Value of n:
Receipt - n/203 inch
Slip - n/72 inch
Range of n:
0–255 in
Feeds paper n dot rows without printing. Receipt moves n rows if the print buffer is empty.

Add n extra dot rows

ASCII SYN n
Hexadecimal
16 n
Decimal
22 n
Value of n: Receipt - n/203 inch
Slip - n/72 inch
Range of n: 0–12
Default: Receipt - 3 extra dot rows
Slip - 3 extra dot rows
Adds n extra dot rows to the character height to increase space between print lines or decrease the number of lines
per inch.
Line spacing is set for the station or stations selected by the command 1B 63 31 n .
Formulas
This table shows the relationship between the number of lines per inch and each dot row added:
Receipt Station
Extra rows Lines per inch
0 8.47
1 8.13
2 7.81
3 7.52
4 7.25
5 7.00
6 6.77
7 6.55
8 6.35
9 6.16
10 5.98
11 5.81
12 5.64
A776-PG00001 D 07/13
Slip Station
Dot rows Lines per Inch
24 10.29
25 9.00
26 8.00
27 7.20
28 6.55
29 6.00
30 5.54
31 5.14
32 4.80
33 4.50
34 4.24
35 4.00
36 3.79
Chapter 5: Programming commands
Dot rows
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A776 (B780) Programming Guide
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