IBM PC CONVERTIBLE Technical Reference page 20

From
Part 1
Send top of
forms (ESC 4)
command.
To
Part 2
Yes (Attached)
Yes (Not attached)
No (Not attached)
Yes (Attached)
To
Part 3
To
Part 3
To
Part 3
Figure 1-3 (Part 2 of 7). Printer/Communications Presence Test
Power-On Self-Test (POST) 1-13