Documentation Printing Beat

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Printing

This wiki contains information related to the Cups and System-config-printing provided with Fedora.

CUPS

The version of cups provided with Fedora is cups-1.4 and following are the features in general, Though there are about number of changes

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note
Below document provides most used , and most noticeable changes

Web-Interface

  • The Administration Page provides more Advanced Operations like choice of Protocols (CUPS, LDAP) for sharing, Maximum number of

simultaneous clients , Shows Job Completed jobs

Networking

  • CUPS now uses "Bonjour (DNS-SD)" providing mDNS(multicast DNS) which supports Bonjour-based printer discovery

Scheduler

  • Scheduler now adds "authenticated" policy, So that certain IPP operations can be authenticated.On Fedora-11 the default policy is "default"

The scheduler provides "OpPolicy" directive which can be used to modify the policy. lpadmin command can also be used to set the policy to
a particular printer using -o printer-op-policy

  • the default LogLevel is now "warn" instead of "info"
  • The scheduler now supports a DefaultPaperSize directive to override the default paper size defined by the locale or libpaper configuration
  • New ErrorPolicy "retry-current-job" is added, that retries the current job immediately
  • Scheduler supports SSLOptions Directive in cupsd.conf which specifies the network address and port to Listen for secure connections
  • Scheduler now supports new "FatalErrors" Directive to determine which kind of errors are fatal, The following kind of errors are currently recognized

none, all, browse, config (configuration syntax errors), log (log file creation errors), permissions (file permission errors ex: certifcate files and keys)

  • Scheduler now passes hostname from the job was submitted as "job-originating-host-name" to filters and backends
  • Scheduler now includes CUPS_FILETYPE, PRINTER_INFO, and PRINTER_LOCATION environment variables that is passed to filter or backend
  • The scheduler now supports a test mode via the "-t" option, which can be used to test the syntax of cupsd.conf.

system-config-printer

In this release, system-config-printer uses PolicyKit to control access to restricted CUPS functionality. The following functions are controlled via PolicyKit policies currently:

  • add/remove/edit local printers
  • add/remove/edit remote printers
  • add/remove/edit classes
  • enable/disable printer
  • set printer as default printer
  • get/set server settings
  • restart/cancel/edit a job owned by another user
  • restart/cancel/edit a job