Single printer shows up as two printers in Ubuntu

[John F. Eldredge]

I have a single printer, an HP Laserjet MFP M29W. This is a black-and-white laser printer with built-in scanner, connected to happening Ubuntu machine via an USB cable. For some reason, it shows up in Ubuntu as two separate printers, named HP_LaserJet_MFP_M28-M31 and HP_LaserJet_MFP_M29W_7F4E86_ but using the same printer driver built into the kernel, drvless.ppd. I can print to either one. Removing either printer definition in settings results in it reappearing a few seconds later. Does anyone know why this is happening? Should I disable one of them?

[Howard White]

John,

I have a Xerox 6280 that does similar crap. The first Google search I
did came across a dpkg -config command that turned off the automatic
remote printer configuration. I just looked again and found this link:

<https://askubuntu.com/questions/345083/how-do-i-disable-automatic-remote-printer-installation>

where you turn off cups-browsed. All of which is to say there is more
than one way to get there. You just have to be confident that you can
manually configure your printer.

Configure your printer and ignore the automatic stuff.

Howard

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[Curt Lundgren]

+1 for shutting off cups-browsed.  An Ubuntu 20.04 installation kept finding a network HP laser printer over and over until I disabled that auto configuration.

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[Mark J. Bailey]

might Ubuntu be picking up IPP or WDS "broadcasts" from the printer and auto-adding it that way? Seems my Ubuntu 20.04 Desktop VM auto-adds my newer HP laser as well. I certainly didn't add it deliberately.

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[Michael L]

I installed a brother printer via USB instead of via ethernet and ran into the same issue and the printer also seemed to "stop responding" multiple times.

I recently  connected the same printer via ethernet .. the double printer issue cleared up and the not responding issue also seems to have gone away.

On Sun, Mar 13, 2022 at 4:22 PM John F. Eldredge <jo...@jfeldredge.com> wrote:

I have a single printer, an HP Laserjet MFP M29W. This is a black-and-white laser printer with built-in scanner, connected to happening Ubuntu machine via an USB cable. For some reason, it shows up in Ubuntu as two separate printers, named HP_LaserJet_MFP_M28-M31 and HP_LaserJet_MFP_M29W_7F4E86_ but using the same printer driver built into the kernel, drvless.ppd. I can print to either one. Removing either printer definition in settings results in it reappearing a few seconds later. Does anyone know why this is happening? Should I disable one of them?

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