Re: HP Deskjet 2700 and CUPS

[Steve Rikli <sr%genyosha.net@localhost>]

On Wed, Apr 08, 2026 at 07:37:04PM -0300, Isac Monção wrote:
> Hy everyone,
> 
> I have an HP printer, and although NetBSD recognizes it as connected to
> a USB port, CUPS only recognizes the network address.
> 
> I can use the printer via the network address but I would
> like to know if anyone knows of any way(if there is one) to make CUPS
> recognize the
> USB port where my printer is connected.

IME USB printing can be a bit finicky sometimes, I usually prefer network
printers if possible.

That said, a couple things to try:

1. perms/owners on /dev/ulpt*

  wiki <https://wiki.netbsd.org/tutorials/how_to_setup_cups_in_netbsd/>
  suggests 'chown lp /dev/ulpt0', but you may need to experiment

2. try ugen instead of ulpt

  I've seen that suggested in other lists and forums and some folks
  reported success.
  E.g. disable ulpt in /boot.cfg with something like:
    menu=Boot normally:userconf disable ulpt;boot
  and compare dmesg before & after.

Cheers,
sr.


> cups version
> ------------
> cups-2.4.16
> 
> uname -a
> --------
> NetBSD moncao 11.0_RC2 NetBSD 11.0_RC2 (GENERIC) #0: Wed Mar  4 21:02:00 UTC 2026 mkrepro%mkrepro.NetBSD.org@localhost:/usr/src/sys/arch/amd64/compile/GENERIC amd64
> 
> dmesg output
> ------------
> ulpt0 at uhub2 port 2 configuration 1 interface 1
> ulpt0: HP (0x03f0) DeskJet 2700 series (0x1853), rev 2.00/1.00, addr 4,iclass 7/1 
> ulpt0: using bi-directional mode
> 
> lpinfo -v output
> ----------------
> network https
> network lpd
> network ipps
> network http
> network ipp
> network socket
> direct hp
> network beh
> network socket://192.168.0.16:9100