I
For example, to define the style, weight and character face for the primary font, you might send these command:
<ESC> (S 1S <ESC> (S 7B <ESC> (S 3T
which would produce italics boldface Courier.But this single command does the same thing, all with one blow:
<ESC> (S I S 7b 3T
4.2CONTROLLING THE PRINTER
4.2.1Self test
You can check how your LaserPrinter 4111is printing and have a look at its parameter settings by sending this Self Test command:
<ESC> Z
Notice that the z is lowercase; this is the only PCL command that ends with a small letter. After you send a Self Test command, the printer finishes printing any pages left in its memory. Then on a new page it prints its current parameters (just important items such as number of copies and fonts in use). The printer finishes off the page with a continuous display of all the characters in its default font.
The printer also quickly checks its interface. Assuming it finds no trouble, the printer is then ready for your next page. If the printer detects a problem it shows a control panel message, which you can look up h your Star La.~erPrinter4111Operations Manual.
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