updated March 18, 2002

For example:

Data that defines a character at X'8141' as a large box is:

X’1B;28;00;01;81;41;FF;FF;FF;FF;FF;FF;

C0;00;03;C0;00;03;C0;00;03;C0;00;03;C0;00;03;C0;00;03;

C0;00;03;C0;00;03;C0;00;03;C0;00;03;C0;00;03;C0;00;03;

C0;00;03;C0;00;03;C0;00;03;C0;00;03;C0;00;03;C0;00;03;

C0;00;03;C0;00;03;FF;FF;FF;FF;FF;FF’

Impact Printhead (s=1)

The width of these characters is always 16. However, the height of the impact printhead, which is defined by MCT #1 (see “Microcode Tolerance (MCT) Information - Request” on page 123), is defined as 9 or 16.

The first two data bytes specify the address of the character being defined. Starting from the third data byte, the data bytes contain the slice information. Each slice contains two data bytes.

The printer does not check the height of the downloaded character at the time of the image download.

Example of 9 x 16 printing:

When the code page is set for the 9x16 matrix:

vThe characters are printed in one pass of the printhead.

vThe characters must follow the rules of the impact printhead; the same wire cannot fire in consecutive positions; primary (P) and secondary (S). The printer will not check for character definition errors. If the character is defined with dots in consecutive positions, only one of the dots will be fired.

vThe height of these characters is 2.2 mm. The width of the characters is 2.7 mm when printed at 150 half-dots per inch (15 cpi), and 3.4 mm when printed at 120 half-dots per inch (12 cpi).

In the tables below:

0The don’t caredot positions whose data will not be printed.

. The position where the dot will not be printed.

XThe position where the dot will be printed.

Appendix C. RS-232 Programming Information 119

Page 143
Image 143
IBM TG5, TM7, TI5, TF7 manual Impact Printhead s=1, For example, Example of 9 x 16 printing

TI5, TG5, TM7, TF7 specifications

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