Please read step c as below c) #Set PPD environment variable export PPD=/etc/cups/ppd/<PPD NAME> e.g) export PPD=/etc/cups/ppd/Officejet_4620.ppd
Please read step c as below
export PPD=/etc/ cups/ppd/ <PPD NAME> cups/ppd/ Officejet_ 4620.ppd
c) #Set PPD environment variable
e.g) export PPD=/etc/