Printer issues after installing Mojave

Thank you for explaining that ... sadly not before I bought a new $400 Brother printer which turns out has the same issue printing over wifi as my HP did. Have done everything suggested by Apple and all users and nothing has worked. Very, very frustrating having to print for business from a USB.

I feel your pain. I did exactly the same thing myself: bought a new Brother printer to replace my HP printer.

On the positive side, I did come up with a possible solution which I posted to my Apple Bug Report46807004. It looks like problem is a permissions issue in the Common UNIX Printing System (CUPS) used by Apple. Editing this file appears to solve the problem, assuming the user has a basic knowledge of Unix.

/private/etc/cups/cupsd.conf

Add the line "Allow from All" in this part of the cups.conf file

<Location />

  Order allow,deny

  Allow from All

</Location>

So... what's the solution here Apple!?!?! Ever since I "upgraded" to Mojave, I can't print a single thing and the ability to print is vital to my business. I originally thought it was my printer so I bought a new one and have the same freakin problem only to later find out that it has nothing to do with any printer. It's your idiotic insistence of releasing OS updates that kill the usability of half the apps I have installed. Mojave rendered Acrobat useless and screwed up my Adobe Suite for a while but at least Adobe eventually updated to fix your reckless releases. STOP pushing "new and improved" OS releases without testing the basic functions that the vast majority of people use on a daily basis. And NO I don't want to go through all the cumbersome steps to regress back to Sierra and risk screwing up even more things.

I’ve tried everything that’s been suggested and the only thing that works is disconnecting my MacBook from the network, going to the printer and reconnecting so I’m on the same Wi-Fi pod and then I can print. I’ve changed the cups conf file (never thought I’d have to know what that is), uninstalled, reinstalled, reset printers, changed the sharing settings etc etc etc and nothing has worked. Am so angry with Apple, we’ve had nothing but Apple products since 2002 and it’s getting harder and harder to stay with them.

The problem is solely with Print Explosion. It is a 32bit software and that is the problem. They have had plenty of time to upgrade their software to 64bit and they haven't. The new Hallmark software says it works with Mojave and I will try that after taxes.....If you want to keep using Print Explosion you can create the card and print to PDF (save and before you print the second to pdf, change the name or it will overwrite the first pdf print). A friend of mine has no problem creating the card and just needed some info on how to save and print it out. This is working for her, give it a try and see.

I have the same issue after installing Mojave with a printer Epson XP-322. It only prints part of the outline of the fonts. Nothing else. I tried resetting the printer, downloading drivers from Epson, etc. Nothing works. I read all the posts, but nothing seems to be helpful for my case. Any other ideas?

I suggest opening a support case with Apple. I did this recently and was pleasantly surprised with their prompt response and ability to view my screens and provide me with graphical guidance on the screen that quickly resolved my issue. There was no need to go to the Apple Store or do anything complicated or unnecessary. This will also register the Mojave issues with the Apple developers that might result in a quicker release of a software update fixing the underlying issue.

Sorry for the ongoing frustrations we are all sharing.

Apple hired the same idiots that MS don't want to work on their Windows OS any more. So you thought you are paying prime price for an "Apple" price but in fact what you get is just an overpriced version of watered down windows machine. Welcome back to the latter days of dear old Macintosh. This is going to be my last Apple Laptop. That's till I figure out how to completely wipe it clean and turn it into a Ubuntu machine.

I tried that, it didn’t work for me. I can only print if I connect via Ethernet or if I move my laptop to where the printer is, disconnect from the WiFi then reconnect so I’m connected through the same pod then I can print. It is seriously annoying.

Editing the permissions on the cups config file and then reinstalling the printers using only a generic postscript driver worked for me on two different laptops and a new Mac mini, restoring the ability to print to a routed printer using IP printing. Not ideal, but workable.

The other alternative is to roll back to High Sierra.

How can I go back to high Sierra? It’s not available on the App Store anymore and if I go back to a time machine backup I lose month’s of work.

When you say “routed printer using IP printing” what does that mean? I have pretty good computer skills but I’m not a programmer and I’m very frustrated that I’m having to learn so much about cups configuration files, IP addresses, etc. I shouldn’t have to do this, apple products are supposed to be intuitive and user friendly ... this is ridiculous.

You are correct; it is difficult to roll back to an older system, but there are procedures on the Internet describing the steps. Using time machine is one of those and this has a lot of disadvantages.

The bug I ran into involved printing to printers that are on a different subnet from my Mac. Printing to these printers involves having the print job automatically "routed" for the connection. For example if my computer is on IP address 192.168.12.180 and the printer is on 192.168.11.205, they communicate through our network router. Mojave broke the ability for printing to work when the computer is on a different subnet from the printer. Part of this issue seems to result from the permissions issue I described in the CUPS configuration. Adding the single line to adjust this was not that difficult. And removing and then reinstalling my printers resolved the issue for me. I also had to use only the generic Postscript printer driver, rather than the branded one that did not work.

I agree that Macs should be easier than this, and hope Apple releases a real solution. Since this is a wide-spread serious issue for the desktop publishing industry, it is inevitable that it will get some attention. Sorry.

I have this problem too after updating to Mojave. My Brother HL-5250DN, purchased in 2006, no longer prints. Brother support says they only provide drivers through Mac OS 10.10, though it worked for me up through 10.12. Is there any generic driver I can get that will keep this perfectly good printer going?

jabaro.... that's interesting because I have two brother printers purchased in 2011 an 2016 and when I called Brother they said that they would both work with Mojave...... my older brother printer is on an iMac that can't be upgraded to High Sierra so that isn't in the mix. So, them saying that they don't provide drivers after mac os 10.10 isn't true. They both work with High Sierra and I was told they would work with Mojave. I'll have to call them back and see if I get a different answer. thanks for the info

Having same problems as everyone else after upgrading to Mojave. My Epson XP-800 now won't print. Having read thru all the posts on this thread, at least I know not to go out and buy a brand new printer.

I have no knowledge of Unix but given clear enough guidance, I can tackle most things on my Mac. But cannot find where this cups.conf file is kept. Have searched for /private/etc/cups/cupsd.conf and cups.conf but not giving me anything.

Is this something you do via Terminal.app?