Please find the below step by step simple method to add tge fake , dummy or Null printer on Centos7
1. Install the rpm packages for configuration of printer
#yum install system-config-printer*
2. Install cups printer packages
#yum install cups*
3. start the cups services on the centos 7
# systemctl status cups
cups.service - CUPS Printing Service
Loaded: loaded
(/usr/lib/systemd/system/cups.service; enabled; vendor preset: enabled)
Active: inactive
(dead)
# systemctl restart cups
# systemctl status cups
cups.service - CUPS Printing Service
Loaded: loaded
(/usr/lib/systemd/system/cups.service; enabled; vendor preset: enabled)
Active: active
(running) since Mon 2017-01-23 09:23:11 GMT; 4s ago
Main PID: 6121
(cupsd)
CGroup:
/system.slice/cups.service
└─6121
/usr/sbin/cupsd -f
Jan 23 09:23:11 linux systemd[1]: Started CUPS Printing
Service.
Jan 23 09:23:11 linux systemd[1]: Starting CUPS Printing
Service...
Please add below line in cupsd.conf if doesn't exist.
# vi /etc/cups/cupsd.conf
FileDevice yes
Command to add a printer-
# lpadmin -p myprinter -E -v file:///dev/null
To check the default printer status-
# lpstat -s
no system default destination
device for myprinter: ///dev/null
