HP laser jet workstation custmization object changes

I need to increase the space between lines on printouts sent to a 
HP4500N laser that is connected to an AS/400 via TCP/IP using a 
Jet Direct card over Ethernet.

It is defined as a 3812 model 1 on the AS/400.

I retreived the workstation customization object by the following
command:

RTVWSCST DEVTYPE(*TRANSFORM) MFRTYPMDL(*HP4) SRCMBR(PRT16)
SRCFILE(QTXTSRC)

I then modified the source as follows to increase the font size:

    :CPICOR          
      CPI=10         
      ASCIIFNT=  201 
      FNTWTH=   110  
      FNTATR=    1   
      DATA =''X.     
    :CPICOR          
      CPI=12         
      ASCIIFNT=  201 
      FNTWTH=   110  
      FNTATR=    1   
      DATA =''X.     
    :CPICOR          
      CPI=15         
      ASCIIFNT=  281 
      FNTWTH=   110  
      FNTATR=    1   

I then created a *WSCST named PRT16 using the command CRTWSCST and tied
it to the printer via the CHGDEVPRT command, and this works fine.

How can I increase the space between the lines of print using this same
source?

TIA,

billy

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