To uninstall the printer driver, do the following:

 

1. Login as a superuser (or use "sudo" option if it is required)
    
2. Uninstall the CUPS wrapper driver
   
   Command (for dpkg) : dpkg -P (cupswrapper-driver-name)
   Command (for rpm)  : rpm -e (cupswrapper-driver-name)
   Example (for dpkg) | Example (for rpm)
    
3. Uninstall the LPR driver
   
   Command (for dpkg) : dpkg -P (lpr-driver-name)
   Command (for rpm)  : rpm -e (lpr-driver-name)
   Example (for dpkg) | Example (for rpm)
    
4. Check the uninstallation (CUPS wrapper driver).
   
   Command (for dpkg) : dpkg -l | grep Brother
   Command (for rpm)  : rpm -qa | grep -e (lpr-driver-name) -e (cupswrapper-driver-name)
   Example (for dpkg) | Example (for rpm)
    
5. Check the uninstallation (LPR driver).
   
   Command (for dpkg) : dpkg -l | grep Brother
   Command (for rpm)  : rpm -qa | grep -e (lpr-drivername) 
   Example (for dpkg) | Example (for rpm)
    

Example
Uninstall the CUPS wrapper driver (dpkg)

# dpkg -P ql1050cupswrapper (Reading database ... 97352 files and directories currently installed.) Removing ql1050cupswrapper ...  * Restarting Common Unix Printing System: cupsd                         [ OK ]  * Restarting Common Unix Printing System: cupsd                         [ OK ] Purging configuration files for ql1050cupswrapper ...  * Restarting Common Unix Printing System: cupsd                         [ OK ] #

Uninstall the CUPS wrapper driver (rpm)

# rpm -e ql1050cupswrapper Stopping cups: [  OK  ] Starting cups: [  OK  ] #

Uninstall the LPR driver (dpkg)

# dpkg -P ql1050lpr (Reading database ... 97349 files and directories currently installed.) Removing ql1050lpr ... rmdir: failed to remove `/usr/local/Brother/PTouch/ql1050/lpd': No such file or directory rmdir: failed to remove `/usr/local/Brother/PTouch/ql1050/inf': No such file or directory rmdir: failed to remove `/usr/local/Brother/PTouch/ql1050': No such file or directory  * Restarting Common Unix Printing System: cupsd                         [ OK ] Purging configuration files for ql1050lpr ... rmdir: failed to remove `/usr/local/Brother/PTouch/ql1050/lpd': No such file or directory rmdir: failed to remove `/usr/local/Brother/PTouch/ql1050/inf': No such file or directory rmdir: failed to remove `/usr/local/Brother/PTouch/ql1050': No such file or directory  * Restarting Common Unix Printing System: cupsd                         [ OK ] dpkg - warning: while removing ql1050lpr, directory `/usr/local' not empty so not removed. #

Uninstall the LPR driver (rpm)

# rpm -e ql1050lpr #

Check the uninstallation (CUPS wrapper / LPR) (dpkg)

# dpkg -l | grep Brother #

Check the uninstallation (CUPS wrapper) (rpm)

# rpm -qa | grep -e ql1050lpr -e ql1050cupswrapper #

 

Check the uninstallation (LPR) (rpm)

# rpm -qa | grep -e ql1050lpr #