Lexmark C530DN Technical Reference - Page 150

3-53 PJL To determine which variables your printer supports, see "Table B-7: Printer Unique LRESOURCE Variables" on page B-14. Table 3-9: Printer Unique LRESOURCE Variables Variable Function Selections Factory Default LDESCRIPTION (DEFAULT only) Macro or Symbol Set Description 1 "alphanumeric string" The description is limited to 16 characters and must be enclosed in double quotes. If more than 16 characters are specified by the DEFAULT command, the first 16 characters are used and a PJL parser warning is issued. NULL (no description) The DINQUIRE command can be used to query the file description. The description is returned in the response. LRWLOCK (DEFAULT only) Read/Write Lock (password) for an entire device or a particular file on the device 2 "alphanumeric string" This variable can be used with other PJL commands: • DEFAULT command The Read/Write password is limited to eight characters. If more than eight characters are specified by the PJL DEFAULT command, the password is truncated and a PJL warning is issued. NULL (no password) If a null (" ") password is given, password protection is removed from the specified device or file. • DINQUIRE or INQUIRE commands NOTSET Use these commands to determine if a password has been specified for a device or specific file. The response is one of the following: NOTSET SET EXPIRED The password has not been set or has been reset to zero. The password is defined and active. The password is reset to zero (flash memory only). The LDECLARE command can be used to temporarily unlock access to a device or particular file. See "File and Device Protection Commands" on page 3-93 for additional information about using passwords on these devices. LWLOCK (DEFAULT only) Write Lock (password) for an entire device or particular file on the device 2 "alphanumeric string" Same as LRWLOCK, except the password limits write-only access instead of read-write access. NULL (no password) 1 The macro or symbol set description is printed in the Description field of the Print Directory listing. 2 To password-protect a device, the command modifier:value should be LRESOURCE :"device:". The colon (:) and double quotes (" ") must be specified.