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It should be pointed out that the LPR protocol is not an Internet standard; the RFC only summarizes the known use.
The article should possible summarize the commands and job attributes available, as well as common restrictions (e.g. no blanks possible in printer/queue names). Also the RFC does not cite the "number of copies" attribute that most UNIX systems know about. Maybe also drop a note that Microsoft Windows also supports entering print jobs via LPD remotely.
Uhw (talk) 07:17, 29 February 2008 (UTC)
- Not completely sure what something needs to be a standard, but yes RFCs are not like ISO standards. Gah4 (talk) 01:23, 24 August 2020 (UTC)
port 9100
editBesides lpr/lpd, many IP printers and interfaces to serial/parallel/USB ports use TCP port 9100, as I believe started from HP. There is no protocol, all the data to send to the printer goes in, and the port is closed. This should be mentioned somewhere in Wikipedia. Gah4 (talk) 01:26, 24 August 2020 (UTC)
- Any more thoughts on this one? Gah4 (talk) 22:52, 8 February 2022 (UTC)
LPR
editI always thought that LPR was for Line PRinter, as the Unix lpr command also works for local spooled printers. I am not sure now if the protocol is supposed to be named LPR or LPD, though. Gah4 (talk) Gah4 (talk) 06:32, 6 February 2024 (UTC)