Compuprint 10200 Programmer Manual Uživatelský manuál stáhnout pdf (Strana 64)

Commands

ESC &

Defines the 24-pin download characters. (EPSON)

ASCII Code ESC &

NUL

n m a

… d

Hexadecimal Value 1B 26

n m a

… d

Decimal Value 27 38

0 n m a

… d

Range 0 <

< 127

0 <

< 127

0 < = d

<= 255

2 :

see below

This escape sequence is used to download fonts into the printer. Once fonts have been

downloaded they can be selected by ESC % n.

Parameter n is the character position of the first character and parameter m is the character

position of the last character to be downloaded. For example, to download character “RST” the

user would specify n=52H and m=54H. Characters must be dowloaded to consecutive positions

after the first character. The parameters a

, a

and a

must be sent for each character being

downloaded and are known as the attribute bytes. Parameter a

specifies the number of dot

columns to be added before the character.

Parameter a

specifies the width of the character.Parameter a

specifies the number of dot

columns to add after the character. The parameters d

…d

represent the dot column data being

downloaded for each character. 2 or 3 data bytes represent 1 column of dots depending upon the

print mode type as shown below. Draft, Letter Quality and super/subscript fonts can be

downloaded. It is necessary to select the desired print mode prior to sending the download data.

Each dot column has a width of 1/120” in Draft and 1/360 in Letter Quality. Following are limits

of parameters a0,a1 and a2 for LQ Draft and Super/Subscript print mode at various character

pitches.

LQ DRAFT

10 cpi 12 cpi 15 cpi Prop Script Norm Script

29 23 15 39 23 9 7

+ a

36 30 24 42 36 12 12

1 2 ... 59 60 61 62 63 64 65 66 67 68 69 ... 233 234

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