270 Troubleshooting C7085-90921
@PJL INFO ID
This command identifies the printer type to the host for reference when selecting printer drivers for
automatic installation. The command syntax is:
@PJL INFO ID <CR> <LF>
@PJL INFO USTATUS
This command queries the state of unsolicited JOB status. PAGE and TIMED status are not
supported. The syntax is:
@PJL INFO USTATUS <CR> <LF>
@PJL INFO PAGECOUNT
This command returns the number of pages printed by the engine.
@PJL JOB
This command informs the printer of the start of a PJL job and synchronizes the job status
information. The printer counts print jobs, including nested jobs, incrementing the job counter for
the @PJL JOB command and decrementing it for @PJL EOJ.
The printer accepts the NAME= parameter and returns the name string in the unsolicited JOB start
status message (if unsolicited job status is enabled). The printer transmits the unsolicited JOB
status message to every I/O channel that has enabled this function. This message’s format is:
@PJL USTATUS JOB <CR><LF>
START<CR><LF>
[NAME=<job name><CR><LF>]
<FF>
The printer resets the nested job counter whenever it switches the source to a different I/O
channel. This prevents a corrupt job on one channel from disrupting the activities on another
channel.
@PJL EOJ
This command identifies the end of a print job and is a hint for the I/O switching algorithm. The
printer counts nested jobs and recognizes job boundaries when the counter decrements to zero.
The printer ignores isolated EOJ commands. Each EOJ must be preceded by a JOB command.
@PJL ECHO
This printer supports the ECHO command which transmits its parameters over the I/O channel to
the host that issued the command.
@PJL USTATUS JOB=ON/OFF
This command enables or disables the JOB status for the I/O channel that delivers the command.
@PJL USTATUSOFF
This command disables the unsolicited JOB status for the I/O channel that delivered the command.
For this printer, it duplicates the function of @PJL USTATUS JOB=OFF, AND @PJL USTATUS
DEVICE=OFF.
Note All commands not supported by this printer’s PJL command set are returned with the message @PJL
XXXX<CR><LF>?<CR><LF>.
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