HP 2250 - Manual (Page 10)

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1. Power input–Attach power cord here.
2. EIO Slot–Install an HP JetDirect EIO printer server or the HP PS/PCL5 Kit
upgrade card.
3. EIO Slot–Install an HP JetDirect EIO printer server or the HP PS/PCL5 Kit
upgrade card.
4. Parallel port–Attach parallel cable here.
Note: Do not install two HP JetDirect EIO print server cards. Cards can be installed
in either slot. You can install two cards at the same time, but one must be an
HP PS/PCL5 Kit upgrade card and the other an HP JetDirect EIO print server card.