Instructions to cure Print Manager problems
Please use the following sequence, check after each stage to see if the problem is cured:

1 Update the program to the latest version.

Use the online update facility in the Relux program group to ensure the latest version is installed

2 Re-install the printer with File Explorer

Using 'File Explorer' go to the Relux Suite installation folder and find the subfolder 'Print'
default path is C:\Program Files (x86)\ReluxSuite\print
Right click on the file 'Pdfinst.exe' then select 'run as administrator'
3 Re-install the printer from a command shell with administrator rights.
Open a command shell with administrator rights:
Press keys [Windows]+[R]
Type "cmd"
Press keys [Ctrl]+[Shift]+[Enter]
In the command shell window:
Use the command 'cd' to navigate to the folder 'ReluxSuite\print'
cd C:\Program Files(x86)\ReluxSuite\print
type "install.bat" press key [Enter]
Close the command window
4 Add a new port named nul: to the pdf printer.

Open the Windows Control Panel (Start -> Control Panel) and choose the section "View devices and printers".
Select "Printer properties" from the context menu (right mouse click) of the Relux PDF Printer.
Select the tab "Ports"
Check if there is a port "nul:" and if it is selected.
Follow the instructions in the matching section A, B or C.
A: Port "nul:" does not exist
If port "nul:" does not exist click "Add Port...".
Now select "Local Port" and confirm with the button "New Port...".
Name the port "nul:" and confirm with "OK".
If the problem still remains follow the instructions in section "C: Port nul: exists and is selected".
B: Port "nul:" exists but is not selected
Select port "nul:" and confirm with "Apply".
If the problem still remains follow the instructions in section "C: Port nul: exists and is selected".
C: Port "nul:" exists and is selected
Select the tab "Advanced".
1 Uncheck "Spool print documents...."
Uncheck "Enable advanced printing features"
Check to "Print directly to the printer"
In the end the tab "Advanced" should look like this: