Office of Information Services - Application Programming

LPD Commands - Computer Setup Procedures




Setup LPD Print Services for a local Windows NT machine

LPD Machine Setup for Windows NT

Open the Network Control Panel and confirm Microsoft TCP/IP Printing service is installed under the Services tab.
Open the Services Control Panel and set the TCP/IP Print Server to automatically start.
Run regedit.
Open HKEY_LOCAL_MACHINESYSTEM/ ControlSet001Services/ LPDSVCParameters.
Create a new DWORD Value, name it SimulatePassThrough, and give it a value of 1.
Open Printer Control Panel, rename printer to LPDQ, and set it to default.
Print test page and confirm the data type is set to RAW.

Instructions for adding TCP/IP Printing Services for the Network Control Panel

Insert the Windows NT installation disk into the CD-ROM. Click on the Add button of the Network Properties window.
Select Microsoft TCP/IP Printing and click OK.  Follow any additional instructions and allow machine to Restart.  Follow the instructions for LPD Machine Setup for Windows NT above.

Additional Information

LPD Printing to a Shared Printer.

Trouble shooting


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LPD Machine Setup for Windows NT

    1. Open the Network Control Panel and confirm Microsoft TCP/IP Printing service is installed under the Services tab.  If the service is not installed, click here for further instructions. 
    2. Open the Services Control Panel and set the TCP/IP Print Server to automatically start.
    3. Go to the Start, Run, and type: regedit /v.  Click OK.    This will open the Registry Editor.
    4. Open HKEY_LOCAL_MACHINE.
    5. Open SYSTEM.
    6. Open ControlSet001.
    7. Open Services.
    8. Open LPDSVC.
    9. Click on Parameters.
    10. On the Menu, click Edit, New, DWORD Value.
    11. Name value SimulatePassThrough.
    12. On the Menu, click Edit, Modify.  Change the Value Data to 1. Click OK.  Exit Registry Editor.
    13. Open the Printers Control Panel and select the printer for LPD printing.
    14. On the Menu, click File, Rename and name the printer LPDQ.
    15. On the Menu, click File and make certain Set As Default is checked.
    16. On the Menu, click File, Properties and confirm that the LPDQ printer is selected to the LPT1 port.  The printer must actually be connected to the LPT1 on the machine (look if you are unsure).
    17. Click on the Print Test Page button and confirm the printer is printing properly.
    18. Click on the Print Processor button and confirm the data type is set to RAW.  Click on all "OK's" necessary to exit LPDQ Properties.
    19. Test LPD printing.  End of instructions.

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    Instructions for adding TCP/IP Printing Services for the Network Control Panel

    1. Insert the Windows NT installation disk into the CD-ROM. Click on the Add button of the Network Properties window.
    2. Select Microsoft TCP/IP Printing and click OK.  Follow any additional instructions and allow machine to Restart.  Follow the instructions for LPD Machine Setup for Windows NT above.

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    Additional Information

    LPD Printing to a Shared Printer.

    The machine that is physically attached to the printer must be setup as above.  The machine using the shared printer must have the shared LPDQ printer set as the default printer.

    Trouble shooting

    Scott Parish thinks setting the SimulatePassThrough data value to 0 might work if the machines are receiving the data into the print queue but not printing.
    Kevin Morrell thinks the following printers will not work at all with lpd printing.
    Those printers include GDI printers and the following HP printers:
    HP DeskJet 710C printer
    HP DeskJet 720 printer
    HP DeskJet 722 printer
    HP DeskJet 820C series printer
    HP DeskJet 1000C printer
    HP DeskJet 1000Cxi
    HP DeskJet 1000Cse
    HP LaserJet 3100 product
    HP PhotoSmart Photo Printer
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