Using CUPS queries

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http://chakra-project.org – I would be grateful for some feedback on the following please.I'm using 'testing' with a full systemd and have a few queries with cups implementation.1. The cups.service,cups.socket and cups.path files in /usr/lib/system/ all have entries that are in triplicate. Is this an error or are they necessary. ??????? My edited versions are working OK. 2.My shutdown hangs on 'cups printing service' for 20-30 seconds and then proceeds OK. If I stop the cups.service before shutting down it sails through.Any suggestions on this one. ?????3.Using cups. needs a lot of user in (HowTos)