> On May 10, 2019, at 4:39 PM, Macs R We <[email protected]> wrote: > >> On May 10, 2019, at 4:32 PM, Carl Hoefs <[email protected] >> <mailto:[email protected]>> wrote: >> >> On May 10, 2019, at 4:03 PM, Macs R We <[email protected] >> <mailto:[email protected]>> wrote: >>> >>> If it doesn't show up under the default Add pane, you may have a problem. >> >> Hmm. I guess I never checked if the printer might have a settable Bonjour or >> Auto mode squirreled away somewhere in its preferences. That just may be the >> issue... I will pursue this path. >> >> What is the reason using the "IP Printer" setup mode is to be avoided? >> >> -Carl > > Not actually "avoided." Most companies make their drivers for SOHO printers > to work in vanilla mode, so it's not needed; and if you try to use it anyway, > the driver has no idea what you're doing because you're not doing it in the > way IT wanted to do it. (HP printer software, in particular, is notorious > for "my way or the highway.") > > The IP Printer setup is mainly available as a fallback for strange printers > that don't work any easier way. In your case, we've established that the IP > Printer option doesn't work for you anyway, but we have to assume there is > SOME option that works. > > Thanks for your insights.
So yesterday I went back to that off-site lab to investigate this issue further. It turns out that the Canon C3530i all-in-one business copier/printer can only talk to an old HP Win/XP system when they are hardwired together (forming a 2-point LAN). The rub is that the address family this arrangement uses is 169.254.0.0/16, which is unsupported by their main LAN's Adaptec 3000 router. (The router will serve DHCP addresses in that range, but won't pass traffic out to the internet.) Putting the Canon on the main LAN (192.168.*.*) and setting it to use DHCP doesn't work: it gets assigned a valid 192.168.*.* address, but remains undiscoverable. This is true even if I set it manually to use a fixed 192.168.*.* address, and use "IP Printer" setup on the Mac. No go. I suppose the only other thing to try is a full hardware reset of the Canon, but that comes with its own set of risks... *sigh* -Carl
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