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Like filters, backends must be capable of reading from a filename on the command-line or from the standard input, copying the standard input to a temporary file as required by the physical interface. The command name argv is set to the device URI of the destination printer. Back-channel data from the device should be relayed to the job filters using the cupsBackChannelWrite function.
Backends are responsible for reading side-channel requests using the cupsSideChannelRead function and responding with the cupsSideChannelWrite function. Device Discovery When run with no arguments, the backend should list the devices and schemes it supports or is advertising to the standard output.
The output consists of zero or more lines consisting of any of the following forms: device-class scheme "Unknown" "device-info" device-class device-uri "device-make-and-model" "device-info" device-class device-uri "device-make-and-model" "device-info" "device-id" device-class device-uri "device-make-and-model" "device-info" "device-id" "device-location" The cupsBackendReport function can be used to generate these lines and handle any necessary escaping of characters in the various strings.
The device-class field is one of the following values: direct The device-uri refers to a specific direct-access device with no options, such as a parallel, USB, or SCSI device. If the device-uri contains a baud value, it represents the maximum baud rate supported by the device. The scheme field provides the URI scheme that is supported by the backend. Backends should use this form only when the backend supports any URI using that scheme. The device-uri field specifies the full URI to use when communicating with the device.
The device-make-and-model field specifies the make and model of the device, e. If the make and model is not known, you must report "Unknown". The device-info field specifies additional information about the device. Typically this includes the make and model along with the port number or network address, e. The optional device-id field specifies the IEEE device ID string for the device, which is used to select a matching driver. The optional device-location field specifies the physical location of the device, which is often used to pre-populate the printer-location attribute when adding a printer.
Like filters, backends must be capable of reading from a filename on the command-line or from the standard input, copying the standard input to a temporary file as required by the physical interface. The command name argv is set to the device URI of the destination printer. Back-channel data from the device should be relayed to the job filters using the cupsBackChannelWrite function. Backends are responsible for reading side-channel requests using the cupsSideChannelRead function and responding with the cupsSideChannelWrite function.
LPADMIN BAD DEVICE-URI SCHEME CUPS PDF
The -x option deletes the named printer: lpadmin -x printername Printer Drivers and PPDs The -m option to lpadmin specifies the driver "model" to use for the printer. For example, the following command creates a destination for a printer at IP address Other drivers including the everywhere driver provide greater printing capabilities and better print quality. The direct class of backends is used for directly-connected printers such as USB and Bluetooth. Because these backends use a system-specific identifier, you should only use the reported device URIs. See the section on Printer Sharing for more information. See the Managing Operation Policies help document for more information.
Command-Line Printer Administration
Tygoshura Setting up qllpr 1. Sometimes there are scripts available to start the program and they are not executables, to find out where the real executable is located you have no choice other than investigate cus source of the script. Post as a guest Name. Install cupswrapper driver Command for dpkg: You do not need to worry about the installed CUPS version when installing the file, if CUPS is too old, it simply ignores the file and all scyeme as before. Linux Informations cips Do not use the rpm as first resource especially on a deb based system. Add tags Tag help.
By default samba does not get started you have to set it to start and configure it. Please visit this page to clear all LQ-related cookies. Results 1 to 10 of Join our community today! It should have been Code:. Sign up using Email and Password. This can confuse users as printer setup tools show each printer twice and users do not know which instance to select.