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Windows NT network communication

TCP/IP connection

Basic concepts of TCP/IP printing

Printing via TCP/IP is accomplished using the LPR (Line Printer Request) protocol. Because it was developed on and for UNIX-based systems, there are terms and ideas that make more sense once the user understands this idea of UNIX printing.

The LPR protocol is a host-to-host protocol, rather than a host-to-printer protocol. When printing via LPR, the computer sending the print job assumes that it is sending the job to another computer, or print server, which sends the job to the printer. In UNIX terminology, the print server is called a remote host. The print server can have several printers connected to it. The way to differentiate between different printers when spooling to the print server is to print to a specific remote queue.

The following table summarizes these concepts of TCP/IP printing and the terminology used in UNIX and Windows NT environments.

Concept Description UNIX term NT term
Print server

An IP address or a name that is mapped to this address. This is how your computer knows where to send the print job.

Remote host

Name or address of host providing LPD

Print queue

For Tektronix printers in NT environments, this is PS (PostScript).

Remote printer queue name

Name of printer on that machine

Your Tektronix printer emulates a print server. Tektronix printers are accessed by giving an NT host a remote host name that will point to the printer and a remote queue name of PS. This is true only if the print job is spooled directly to the printer via its internal network interface, and not through an external third party print server. In that case, the remote host name is the TCP/IP address of the print server and the remote queue name is the name of the queue for that print server.

Establishing the TCP/IP connection

Windows NT 3.5 and 3.51 include network software called, TCP/IP Print Services (lpr print services). Refer to the Windows NT documentation for instructions on how to install this network software. With this software loaded, perform the following steps:

  1. Open the Print Manager, select Create a new printer, and select the appropriate printer driver. If there is no driver for your printer, install the proper printer driver as described under Updating the driver software.

  2. Select Print to Other for the Device Port. For Other Device select lpr.

  3. For Name or address of host providing lpd, put your printer's IP address (or host name if known to the network).

  4. For Name of printer on that machine, type in PS (use uppercase characters).

  5. Select OK to complete the installation.

AppleTalk connection

Windows NT 3.5 and 3.51 includes network software called Services for Macintosh. Refer to the Windows NT documentation for instructions on how to install this network software. With this software loaded, perform the following steps:

  1. Open the Print Manager, select Create a new printer, and select the appropriate printer driver. If there is no driver for your printer, install the proper printer driver as described under Updating the driver software.

  2. Select Print to Other for the Device Port. For Other Device select: AppleTalk Printing Devices.

  3. Windows NT will then search the network for zones or available AppleTalk printing devices.

  4. Select the appropriate zone.

  5. Windows NT will search the network again for available AppleTalk printing devices within that zone. (This is similar to Chooser on the Macintosh.)

  6. Select your Tektronix printer.

  7. When prompted, Do you want to capture this AppleTalk Printing Device? In most cases, click No. If you click Yes, you will hide the printer from regular Macintosh users, forcing them to use the Windows NT Server as a spooler, if the Windows NT Server allows sharing of this printer.

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