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Author Topic: Invisible Printer (Epson Wireless All-In-One / 'airprint')  (Read 8976 times)

Weaver

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  • Retd s/w dev; A&A; 4x7km ADSL2 lines; Firebrick
Invisible Printer (Epson Wireless All-In-One / 'airprint')
« on: January 10, 2018, 01:33:09 PM »
Mrs Weaver has had an epson printer-scanner thingummy for a good while which came advertised as 'airprint compatible' which is why she bought it.

It works most of the time, but today neither Mrs Weaver or I could see the device listed in the standard Apple UI in various apps on two iPads. It was however, up, pingable and alive because I could talk to it's admin http server, and I could actually print a test page using one particular special app that I found which prints directly to a chosen ipv4 address using <?>-printing-application-layer-protocol (?ipp ?port9100). (Readdle Printer Pro.)

Just wasted some time with an extremely thick and unpleasant bio-robot on epsom's web chat service who refused to debug the issue and just told me i had to download some app that i've never heard of and which i neither want not need. Anyone ever heard of 'i-print' or 'iPrint'? It seems to be some epson ios app. I don't know why it should work sometimes or not others. If they were too lazy to support Apple's standard protocols at all then I could understand that (some programmers are bone idle) but then it just wouldn't work at all or only with the one special sacred app and would presumably have very few sales or a lot of furious conned customers on day one.

Anyone had a disappearing reappearing ios printer?

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Weaver

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Re: Invisible Printer (Epson Wireless All-In-One / 'airprint')
« Reply #1 on: January 10, 2018, 05:41:20 PM »
« Last Edit: January 10, 2018, 08:25:55 PM by burakkucat »
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sevenlayermuddle

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Re: Invisible Printer (Epson Wireless All-In-One / 'airprint')
« Reply #2 on: February 02, 2018, 10:15:28 AM »
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Weaver

  • Senior Kitizen
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  • Posts: 11459
  • Retd s/w dev; A&A; 4x7km ADSL2 lines; Firebrick
Re: Invisible Printer (Epson Wireless All-In-One / 'airprint')
« Reply #3 on: February 02, 2018, 10:49:40 AM »
Well the router can't be involved, it has nothing to do with traffic in the lan (domestic users usually conflate the word router with wireless access point since they are only familiar with single-box combined solutions.) I don't need the Firebrick router to be turned on for the LAN to operate correctly of course.

That post says something about bugs in _waps_ though, to do with the handling of multicast. Now that I can believe. I suspect it might have worked before I had two access points possibly but if there are any bugs in the ZyXel WAPs handling of multicast maybe it is not forwarding frames as it should onto the rest of the wired LAN. I have my suspicions as to whether Bonjour works at all with multiple ZyXel APs.

Very valuable post, has set me thinking. Many thanks.
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