Driver for the Xerox XPRESS Plotter
Running the xpress_plot Utility
xpress_plot has a number of command line option; to see a summary use the -h command line option:
$ ./express_plot -h
Testing the Installation
You should run the following tests on the plot server to determine that you have a working connection to the XPRESS plotter: Make sure that the device driver is installed. For the purposes of this document we assume that it is called /dev/express0.
Verify that xpress_plot can communicate with the XPRESS plotter by sending it a "test unit ready" message, using the tur command line option;
$ ./xpress_plot /dev/xpress0 tur
a successful exchange should return the following:
xpress_plot: test_unit_ready Device '/dev/xpress0' is ready
An exchange may not be successful if the plotter is turned off, if some other application is using the plotter or if the device driver is not installed. Error messages include:
plotter turned off (after a few minutes /dev/xpress0: I/O error
device driver in use by another application /dev/xpress0: Device busy
missing or wrong driver /dev/xpress0: No such file or directory
Issue an inquire command to the EXPRESS plotter.
$ ./xpress_plot /dev/xpress0 inquire 0x00
You should get in return:
xpress_plot: get_inquiry xpress_plot: get_sense Sense, status = 0x0 Query: Standard, status = 0x0 Standard: Vendor ID: XEROX Product ID: Xpress Product Version: 0067 xpress_plot: get_sense Sense, status = 0x0
Generate/Send a Monochrome Test Plot
$ ./xpress_plot /dev/xpress0 monotest 5 5
this should cause the plotter to plot a 4x4 black and white checkerboard pattern 5 inches on a side using the A0 roll.
Generate/Send a Color Test Plot
$ ./xpress_plot /dev/xpress0 colortest 3 3 -quality:6 -roll:2
causes the plotter to plot a 4x4 CYMK checkerboard pattern 3 inches on a side on the A1 roll.
Checking Paper Roll Status
$ ./xpress_plot /dev/xpress0 inquire 0xc1
should result in a response:
xpress_plot: get_inquiry xpress_plot: get_sense Sense, status = 0x0 Query: Roll information, status = 0x0 Roll information: Roll Size Has Paper Width Width (dots) (inch) Roll1 A0 yes 25920 36.00 Roll2 A1 yes 16838 23.39 Roll3 A3 no 0 0.00 Roll4 A0R no 0 0.00 xpress_plot: get_sense Sense, status = 0x0
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