The user will select the printer as per the user requirement . click on 'Ok'.
Suppose, select 'Fax'.
Then the user will select printer type 'LASER/DMP' as per the requirement.
Suppose select 'Laser'.
Now similarly the user will set another printer in 'LPT2' and keep pressing 'Enter'.
Now user will click on 'Exit'.
After following the above steps, the user can set multiple printer in Marg Software and in order to ask printer port at the time of billing click here.