Hi Tim,

Do you get any error message  'Filter failed’ when you try to print? 
If so the message will be due to plugins used by the driver not being 
compatible with the new security features in El Capitan. 

I would suspect its possibly more to do with El Capitan’s increased security:

https://developer.apple.com/library/prerelease/mac/releasenotes/MacOSX/WhatsNewInOSX/Articles/MacOSX10_11.html
 
<https://developer.apple.com/library/prerelease/mac/releasenotes/MacOSX/WhatsNewInOSX/Articles/MacOSX10_11.html>>

"Lots of vendors have not updated their drivers, and lots of peripherals are 
not working because of this. 
Since Apple doesn't recommend turning off the "rootless" feature and won't 
provide a workaround, vendors need to update their drivers.”

Cheers,
Ronni

13-inch MacBook Air (April 2014)
1.7GHz Dual-Core Intel Core i7, Turbo Boost to 3.3GHz
8GB 1600MHz LPDDR3 SDRAM
512GB PCIe-based Flash Storage

OS X El Capitan 10.11


> On 29 Oct 2015, at 10:05 PM, Tim Law <t...@peoplehelp.com.au> wrote:
> 
> Good evening,
> 
> I have been supplied with a new cable modem to use with my Telstra cable (non 
> NBN) and upgraded to a high speed connection free for three months. I’m very 
> happy the performance of the C6300BD Gateway Max cable modem/router in 
> general and are routinely getting speeds on wifi of 110mbps download all over 
> the house. Seems a stronger signal than the Apple Airport Extreme I have been 
> using, but that’s by the by.  Ethernet connection speeds are around 57mbps, 
> measured with Speedtest.net
> 
> The C6300BD Gateway Max has been working well but I cannot print via ethernet 
> cable to my network capable Dell 3110cn Colour Laser Printer. 
> The printer drivers from both my MacPro 1,1 running 10.7.5 and the Mac Mini 
> running 10.11.1 can both ‘see’ the printer and report on it’s status - ink 
> levels etc. What I cannot do from the Mac Mini 10.11.1 is print. Before 
> installing the C6300BD Gateway Max the IP addresses were served by an Apple 
> Airport Extreme and the printer worked, I think via the USB port on the 
> Airport. If I recall it also worked via the ethernet connection but I used 
> the USB as I needed the ethernet connection for another machine. 
> 
> To add to the mystery of the lack of printing, this evening I found printing:
> - Mac Pro 1,1 running OSX 10.7.5 via ethernet to C6300BD Gateway Max to Dell 
> 3110cn printer via ethernet WOULD print
> - Mac Mini running OSX 10.11.1 via ethernet to C6300BD Gateway Max to Dell 
> 3110cn printer via ethernet WOULD NOT print
> - Mac Mini OSX 10.11.1 via ethernet to C6300BD Gateway Max via ethernet to 
> Dell 3110cn printer using the network shared printer driver on the MacPro1,1 
> running OSX10.7.5 WOULD print.
> - Mac Mini running OSX 10.11.1 to Dell 3110cn printer via USB, WOULD print.
> 
> I’m thinking its something about the printer driver on OSX 10.11.1 not being 
> compatible with the C6300BD Gateway Max, or vice versa - but I may be wrong.
> 
> There are plenty of comments on Telstra’s Crowd Support about similar 
> problems with printing and the incapacity of this modem to set a fixed IP 
> address, which might be needed for the printer and therefore part of the 
> problem. 
> 
> However before I set the C6300BD Gateway Max to bridge mode, and set the 
> Apple Airport Extreme to distribute IP addresses, has any WAMUG users come 
> across a similar problem and found a solution?
> 
> Cheers
> 
> Tim

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