Printer utility: /Library/Printers/Canon/CUPSCAPT/StatusMonitor/StatusMonitor.app Path: /Library/Printers/Canon/CUPSCAPT/Bins/capdftopdl Thank you for your patience and guidance so far. What is strange to me is that my other printer is also a Canon and I was able to update the driver to that successfully after El Capitan and it works fine. But, if you think the problem is the shared connection with the iMac, is there another way I could be connecting to the printer? I'd hate to have to replace the printer as this is the one I like the best. I will add the printer connections to this message. It seems if I unplug the printer and re-plug I can get a response but this is intermittent. So, this morning i again cleared out the printer settings, re-downloaded the newest driver, rebooted with the printer turned off and disconnected and then proceeded to add the printer again to the iMac, and two MBA's. It seems that after the computer and/or printer has gone through a sleep mode, things go awry. This is the first time Apple has ever created a problem for me. This was never a problem with the former operating system and only happened after I did the system update to El Capitan. Thank you.Īs of this morning, none of the three computers communicated again with the printer. I appreciate any direction you can give me. It's really frustrating since it works on two computers but not a third one exactly the same. I also saw on another thread you recommended going to the below route but I'm not sure what I should do when I get there. I saw in another thread you asked for what the printer configuration is and here is what I found for the problem computer: I've tried shutting down the computer several times, deleting the printer, re-installing the new driver you suggested and the same thing happens.

I see the print job in the queue and it says 'printing' but nothing happens and then it disconnects. The odd thing is that the other MBA is exactly the same model and operating system and is set up in the same way but it won't print. I now can print from my iMac and one of my MBA's. I tried the method you suggested for installing the newer driver and have had partial success.

Canon lbp 6000 driver for mac