Device Variable - Brother HL-1050 Technical Reference Manual

The printer status to be sent to the host computer are ;
 Device status changes - printer cover open, paper jams, paper out, etc
 Job status changes - completion of the printing of a job, receiving a JOB command
 Page status changes - ejecting a printed page
All the unsolicited status information (USTATUS DEVICE, JOB, PAGE and TIMED) is turned off at once
by the USTATUSOFF command. Each status can be turned off individually by the corresponding
USTATUS command.
The USTATUS TIMED command specifies after which time period the printer sends the unsolicited status
information and is turned off by setting the time increment to zero with this command.
To get information about the current settings or possible settings for unsolicited status, use the INFO
USTATUS command.
Syntax
@PJL USTATUS variable = value [<CR>]<LF>
Response Syntax
@PJL USTATUS variable <CR><LF>
returned option [printable characters or <WS>] <CR><LF>
...
...
...
...
returned option <CR><LF>
<FF>
Parameters
Variable Value
DEVICE ON
VERBOSE
OFF
JOB ON
OFF
PAGE ON
OFF
TIMED 5 to 300
0

7.6.1. Device variable

The @PJL USTATUS DEVICE command allows the printer to send status messages when the printer
status changes. The printer will send the status by the status code shown in the table below.
Description
Makes unsolicited device status valid for any status change (printer errors)
Makes unsolicited device status valid for any PJL parser warning, error and
status changes
Makes unsolicited device status invalid for any status change
Makes unsolicited job status (reporting job start/job end) valid
Makes unsolicited job status invalid
Makes unsolicited page status (reporting respective page printed and
Makes unsolicited page status invalid
Makes timed unsolicited status (allowing the printer to send back
unsolicited status after an interval specified in seconds) valid
Turn TIMED USTATUS off (Makes timed unsolicited status invalid)
CHAPTER 5 PJL - 70