Printing device executing printer job language command on specific condition

A printing device comprising:

• a first communication interface;
• a memory;
• and
• a computer,
• wherein the computer is configured to perform:
• on a first condition including:
• a condition that a printer job language (PJL) command is received via the first communication interface that is a local area network (LAN) interface according to a first protocol;
• and a condition that the PJL command is an initialization command to initialize a setting value stored in the memory for use in an operation with the computer,
• initializing the setting value stored in the memory according to the PJL command;
• and
• on a second condition including:
• a condition that the PJL command is received via the first communication interface that is the LAN interface according to a second protocol different from the first protocol;
• and a condition that the PJL command is the initialization command,
• prohibiting execution of the initializing the setting value according to the PJL command.

A printing device comprising:

• a first communication interface;
• a memory;
• and
• a computer,
• wherein the computer is configured to perform:
• on a first condition including that a printer job language (PJL) command that instructs the printing device to be taken offline is received via the first communication interface that is a local area network (LAN) interface according to a first protocol,
• an offline process to take the printing device offline according to the PJL command;
• and
• on a second condition including that the PJL command is received via the first communication interface that is the LAN interface according to a second protocol different from the first protocol,
• prohibiting execution of the offline process.