Recovering Lost Passwords - Lexmark T640 Technical Reference

Recovering Lost Passwords

Use the LQUERYSEED and LBYPASSPASSWORD commands to recover lost
passwords.
Syntax:
@PJL LQUERYSEED[<CR>]<LF>
@PJL LBYPASSPASSWORD KEY = "key"[<CR>]<LF>
Use the following steps to retrieve lost passwords:
1
2
3
Send the LQUERYSEED command to the printer by one of the host computer
interfaces.
This command causes a value, the "seed," to display on the printer operator
panel, through MarkVision Professional or, if there isn't an LCD panel, to print on
the Menu Settings Page. The value of the "seed" determines the
key
Obtain the from the Lexmark Customer Support Center.
You must have the "seed" value.
Send the @PJL LBYPASSPASSWORD command to the printer by any port.
key
If the correct is specified, a modified version of the directory is produced.
The directory indicates the appropriate passwords for the flash or disk.
3-98
key
PJL
.