To solve this problem, you are required to uninstall both the LPR driver and CUPS wrapper driver, and then install one printer driver packaged with both LPR driver and CUPS wrapper driver on your computer before you start printing. For instructions on how to uninstall the LPR driver and CUPS wrapper driver, see the FAQ "Uninstalling the printer drivers (Linux)".

To install CUPS wrapper/LPR printer driver (deb package)/(rpm package), do the following:
 

1. Log in as a superuser ( or use "sudo" option if it is required).


2. Download CUPS wrapper/LPR printer driver (deb package)/(rpm package) from the [Downloads] section of this website.
    
3. Install CUPS wrapper/LPR printer driver (deb package)/(rpm package).
   1. Turn on your printer and connect the USB or network cable.

      Click the close button if the installation wizard appears.

   2. Open the terminal and go to the directory where the drivers are located.
       
   3. Enter the following command to install CUPS wrapper/LPR printer driver (deb package)/(rpm package).
        
       CUPS wrapper/LPR printer driver (deb package)/(rpm package)
      
      Command (for dpkg) :  
        dpkg -i --force-all (pdrv-drivername)
      Example:

      dpkg -i --force-all ql720nwpdrv-3.1.5-0.i386.deb

      
      Command (for rpm) :  
       rpm -ihv --nodeps (pdrv-drivername)
      Example:

      rpm -ihv --nodeps ql720nwpdrv-3.1.5-0.i386.rpm

4. Configure your printer on the PDRV web interface.
    

   1. Open a web browser and go to "http://localhost:631/printers".
   
   
   2. Click "Modify Printer" and set following parameters.
        
      For USB connection

      - Your printer's name

      for Device

      Select your device's URL.

      - Brother	for Make / Manufacturer Selection
      - Your printer's name	for Model / Driver Selection

      
      For Network connection

      - "LPD/LPR Host or Printer"      or "AppSocket/HP JetDirect"	for Device
      - socket://(Your printer's IP address)	for Device URL
      - Brother	for Make / Manufacturer Selection
      - Your printer's name	for Model / Driver Selection

5. Set the media size and try a test print.
    
   1. Open a web browser and go to "http://localhost:631/printers".
       
   2. Select your printer's name.
       
   3. Click "Set Printer Options" and set the media size.
      e.g. If you are using 62mm tape, select 62mm.

      The printer will indicate an error if the media width is too large or too small.

   4. Click "Print Test Page".
      Example of a test print output (62mm width)
      

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