Operating instructions

PJL Reset Conditions
The print environment resets to the User Default Environment in the
following cases;
•when the UEL command is sent
•when “@PJL RESET” is sent
•when a reset operation through a control panel (if your printer has) is
executed
•when the PJL JOB or EOJ command is sent
Environment Variables
Environment variables are variables to control the printer's print
environment. The value of each environment variable can be changed by
using the PJL SET or the PJL DEFAULT command. This operation means
to change a print environment. The table 3.44 contains a list of
environment variables.
Alphanumeric Variables
Letters and figures (ASCII 48 to 57, 65 to 90, 97 to 122, excluding ASCII
32) can be used for variables.
It is required to begin with a letter, not a figure.
Numeric Variables
Figures may include one decimal point. You cannot begin with decimal
point. Commas cannot be used in the numeric variables.
Strings
Must be enclosed in double quotation marks. Strings can be made with a
combination of ASCII 32 to 255 including HT. (ASCII 34 should not be
included.)