Can print from MacBook via Airport, but not from eMac

I recently set up wireless network via an Airport Time Capsule. I've connected my Epson Stylus C84 via the USB hub. I can print wirelessly from the MacBook, but I get a "Communication Error" when attempting to print from my eMac (which works just fine when directly connected to the printer.)
Thoughts? (It's driving me nuts!)

You'll need to invest in an Airprint printer, or look into a hack such as AirPrint Activator.
The only Apple supported/suggested method is to look into getting an AirPrint supported printer. To find them you can go to store.apple.com and on the side is an AirPrint printers section.

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My mac mini will connect via airport but not via ethernet.

I have had a mac mini for several months which I connect via ethernet because it is in a part of my house where the wireless signal is poor. I changed ISP and now I can connect to the router wirelessly but not via ethernet. This doesn't seem to be a problem with the network as the connection works when I connect it to my mac book. Firewall is turned off. There were no major changes to the router settings other than changing the ISP login codes.
Any ideas? Is this a configuration issue or a hardware problem?

Hi Mick,
If your router only supports 10/100 ethernet then it is possible that the auto-detect feature is not working properly to adjust to that speed. The mini has a Gigabit ethernet port. The OS by default sets the port to automatically negotiate the rate but it does not always work and the result is the problem you are having.
To fix it you wlll have to manually set the rate to 100.
To do this, open your system preferences, Select Network. Highlight the ethernet port on the sidebar, click the advanced button. Click on the Ethernet Tab, set the configure pop-up menu item to 100baseTX and click the ok button. If all works out you should see that the Ethernet port icon should turn green.
Hope this helps.

MacBook Pro can connect via Airport but not iPhone or iBook G4.

Anyone have any ideas? My Macbook Pro can connect to my Airport (v.7.3.1, 802.11n) but not my iPhone or iBook or a Windows Computer or WiFi Blackberry.
The connection is strong and detectable by the ibook but "unable to connect".
Somethings up with the settings but not sure what.
Any ideas?
HELP!
thanks
--K

I've tried Channel 1,2,3,4,5 (still need to try the others)
Secured or unsecured the only wireless connection that works is my MacBookPro.
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I can print to a Lexmark X4550, but not scan (with Image Capture)

Following tips (by "Lexmark Listens" and others) I succeded in printing (via USB and wifi) to a Lexmark X4550.
But when scanning (via USB) using the Image Capture app (included in Mac OS), Image Capture sees the scanner a couple of seconds, then complains that no scanner is connected (although it still is).
This happens with a MacBook (Pro), but not with another MacBook (white).
I tried (not necessarily in this order):
- reboot
- repair disk permissions
- re-installing drivers (both printer driver and "Image Capture Application Scan Driver for for 10.6.8 and later Mac OS") from Lexmark support site.
- running Mac OS software update (which updated the printer driver to version 2.8]
- resetting the printing system: http://support.apple.com/kb/HT1341
How can I completely remove all files related to Lexmark printers&scanners and try again installing from a clean state?
(I see in other posts that a Lexmark Uninstaller is sometimes located in HD/Library/Printers/Lexmark/YEAR/ ; I used to have one here, but it was removed during previous attempts at getting the scanner working ; and anyway when I run this Uninstaller at the time, it did not completely clean the /Printer/Lexmark)
My problem is very similar to this one described in this bug report in Lexmark knowledge base:
http://bit.ly/MOR9bd
But the patch proposed is "For Mac OS X 10.6 only" and titled "LexmarkPro800-Pro900SeriesQFE1.0.0.dmg" so I don't think it would work for a Lexmark X4550. (Indeed I installed this patch and the problem is still there).
As for the workaround suggested, "When using Apple's Image Capture application, do not use the "Show Details" option [...]", I can't get it to work: as soon as I launch Image Capture, it starts scanning (a preview) and the "Show Details" bouton is grayed out.
I've already spent many hours trying to get this printer-scanner to work with my Mac.
Any suggestion would be very helpful!

Same issue, sort of. After ML upgrade, Lexmark x264dn fails to register as a printer & scanner, there is no scan tab anymore. Also, image capture application is stuck in a crash loop until I disable mDNS (bonjour) on the printer. Still, it does not register as a scanner anywhere (protoshop, image capture, preview...)
I have installed all the package scripts from Lexmark's Mountain Lion support page. No dice.

Able to connect via airport but not via ethernet since fresh install

New format and reinstall of OS X. Software update to 10.4.5. Now I need to use ethernet and I get an error. I did NOT have ethernet attached when doing the install.
This used to work before the reinstall. I have tried different cables and different ports attached to the D-Link router (I use DSL).
Other computers on the net (iMac G5 via ethernet and Windows via Wireless) have no problems.
I have tried the network assistant, renewing DHCP lease (which does not work), manual config, ifconfig up and down and even tried to reapply the 10.4.5 update but to no avail. I have even rebooted (Ugh) several times.
system log:
Mar 12 19:17:04 Mach1 lookupd[70]: lookupd (version 369.2) starting - Sun Mar 12 19:17:04 2006
Mar 12 19:17:06 Mach1 mDNSResponder: Adding browse domain local.
Mar 12 19:17:07 Mach1 kernel[0]: ATY,ChockStone_A: vram [a0000000:10000000]
Mar 12 19:17:07 Mach1 /System/Library/CoreServices/loginwindow.app/Contents/MacOS/loginwindow: Login Window Application Started
Mar 12 19:17:07 Mach1 kernel[0]: ATY,ChockStone_B: vram [a0000000:10000000]
Mar 12 19:17:08 Mach1 loginwindow[118]: Login Window Started Security Agent
Mar 12 19:17:10 Mach1 kernel[0]: AirPort: Link Active: "UfiBase" - 001346a5c8fa - chan 6
Mar 12 19:17:10 Mach1 configd[34]: SecKeychainFindGenericPassword err= -25308 ( =0xffff9d24, secErrStr=User interaction is not allowed. ) (current= UfiBase)
Mar 12 19:17:13 Mach1 configd[34]: executing /System/Library/SystemConfiguration/Kicker.bundle/Contents/Resources/enable-net work
Mar 12 19:17:13 Mach1 configd[34]: posting notification com.apple.system.config.network_change
Mar 12 19:17:13 Mach1 lookupd[151]: lookupd (version 369.2) starting - Sun Mar 12 19:17:13 2006
Mar 12 19:17:15 Mach1 configd[34]: target=enable-network: disabled
Mar 12 19:17:25 Mach1 kernel[0]: AirPort: Link DOWN (Client disAssoc 0)
Mar 12 19:17:25 Mach1 configd[34]: posting notification com.apple.system.config.network_change
Mar 12 19:17:27 Mach1 mDNSResponder: Repeated transitions for interface lo0 (127.0.0.1); delaying packets by 5 seconds
Mar 12 19:17:35 Mach1 lookupd[206]: lookupd (version 369.2) starting - Sun Mar 12 19:17:35 2006
Mar 12 19:18:03 Mach1 kernel[0]: UniNEnet::monitorLinkStatus - Link is up at 100 Mbps - Full Duplex
Mar 12 19:18:03 Mach1 configd[34]: DHCP en1: RELEASE transmit failed
Mar 12 19:18:09 Mach1 configd[34]: posting notification com.apple.system.config.network_change
Mar 12 19:18:09 Mach1 lookupd[281]: lookupd (version 369.2) starting - Sun Mar 12 19:18:09 2006
Mar 12 19:18:37 Mach1 kernel[0]: AirPort: Link Active: "UfiBase" - 001346a5c8fa - chan 6
Mar 12 19:18:37 Mach1 configd[34]: SecKeychainFindGenericPassword err= -25308 ( =0xffff9d24, secErrStr=User interaction is not allowed. ) (current= UfiBase)
Mar 12 19:18:40 Mach1 configd[34]: posting notification com.apple.system.config.network_change
Mar 12 19:18:40 Mach1 lookupd[285]: lookupd (version 369.2) starting - Sun Mar 12 19:18:40 2006
What now? - I really don't feel like reinstalling with en0 connected just to fix this
Thanks for any advice

I would attempt to find a Windows machine to set it up as Samsung's Mac software is abysmal.
However I have found this step by step on an Amazon review, I don't know if it will work:
1. Setup the physical printer machine according to manual. Then connect it your Macbook via USB. Make sure the printer is powered on and verify the Macbook is powered on with wireless network Access.
2. Insert the supplied software CD and double click on the CD from your desktop.
3. Double click and execute to Mac_installer folder >Installer OS X icon.
4. Complete the license agreement and installation steps.
5. This will be a standard install without the wireless option. This is your only option. You will not be given a chance to do the wireless installation like in the Windows version install.
6. Enter in the admin password to install the software.
7. Once the software confirmation screen pops up to confirm your installation was successful, proceed to DISconnect your USB connection to you Samsung Printer.
8. In case you missed it, Disconnect the USB connection between your Samsung printer and Macbook.
9. Navigate to Applications > Utilities >Print Setup Utility (For Mac OS X 10.5 - 10.7) Navigate to Applications > System preferences > Print & Fax.
10. Click Add on the printer list (For Mac OS X 10.5 - 10.7, click the PLUS sign) and new display will pop up.
11. On the "Default" Tab of the pop up display, select or highlight the Samsung printer. In the printer name column, it should be listed as "Samsung ML-2160 Series (NNNN)", then in the Kind column, It should be listed as "Bonjour"
Note: DO NOT select the Samsung Printer with the "USB" in the Kind column. This Samsung printer - USB option should only be selected if you intend to print from USB.
12. Click ADD, then select continue to create the print queue.
13. Now open up any word document with text and print a test page.

Can connect to MySQL via localhost, but not remotely!

Hi all!
I got a problem that I think you guys could help me with :)..
I have installed JDBC to make it possible to link my Java programs with MySQL databases. The installation worked just fine.
When I'm running my program with line:
Connection connection = null;
connection = DriverManager.getConnection("jdbc:mysql://localhost:3306/chat", "*****", "*****");...it works without any problems. I can handle information from the tables, add posts, delete posts and so on.
But when I'm trying to connect from an another computer, from school for an example, it doesn't connect. JBDC says it can't fint the mysql jbdc driver.
When I'm using this way I uses the line:
Connection connection = null;
connection = DriverManager.getConnection("jdbc:mysql://85.235.154.98:3306/chat", "*****", "*****");Like I said, this doesn't work at all.
How do I fix this problem?
Worth to mention maybe, is that I'm using Windows XP Home, and I have placed the mysql-connector-java-5.0.5-bin.jar in "C:\Program\Java\jre1.6.0_01\lib\ext"
I'm using Java version 1.6.0!
Please Help :)

But when I'm trying to connect from an another
computer, from school for an example, it doesn't
connect. So the database is on your home computer? And you are attempting to connect from the school?
JBDC says it can't fint the mysql jbdc
driver.Then it has nothing to do with connecting. That means your class path is wrong.
If it actually is a connection problem then you can do the following in a console window....
telnet 85.235.154.98 3306
There will be one of two results from the above after several minutes.
1. It will just sit there.
2. It will tell you it can't connect.
For 2 you have a problem that has nothing to do with java. Looking at your code will not fix it.
If it is 1 then something is wrong with your code and you should provide the exact exception.

Devices connect to wifi (via airport) but not to internet.

Devices (macbook and iphones) which previously connected via our home wifi are no longer working. They connect to our wfi network fine (or seem to). This is generated via the airport on our imac, OSX version 10.6.8.
None of the devices will actually connect to the internet via the wifi (although the phones do it fine on 4G).
Thee were some messages about allowing various applications access to network sharing (or something) when I started the mac this morning. for some of these I clicked "deny" as I did not know why I was seeing them, what the applications were, or really what they meant. It was out of the blue and seemed a bit odd. This may have caused the problem. All the diagnostics I have run, and network rebuilding has not helped.
Hope someone has some ideas.

Try shutting everything down. Then in order restart your cable/dsl modem, your Airport router and finally your computer. Let each device fully start before powering up the next one.

I'm having problems printing from my 15" macbook pro to my HP wireless printer. It works sometimes but not reliably, it can spend hours "seating for printer". I can print from my i pad with no problems

I'm having problems printing from my 15" macbook pro to my HP wireless printer. It works sometimes but not reliably, it can spend hours "seating for printer". I can print from my i pad with no problems

Hi,
Apple's AirPrint only support specific models while using wired or wireless network connection.
Plugging a printer into a USB port of Apple base is not supported for AirPrint:
AirPrint printers connected to the USB port of the Apple AirPort Base Station or Time Capsules are not supported with AirPrint.
As well you must use AirPrint enabled printers for a such, none of your printers are AirPrint enabled:
http://support.apple.com/kb/ht4356
There are 3rd party solutions which allow sharing a printer connected to your Mac as AirPrint, Printopia as example provide a such:
http://www.ecamm.com/mac/printopia/

Yosemite does not recognize HP printer after upgrade. I can print from my iPhone, but not my 13" Macbook Air (2013)Yosemite does not recognize HP printer after upgrade. I can print from my iPhone, but not my 13" Macbook Air (2013)

Yosemite does not recognize HP printer after upgrade. I can print from my iPhone, but not my 13" Macbook Air (2013)
Are others having the same problems?

Try this. Worked for me.
- turn off your router
- turn off you Mac's after removing all available printers
- turn off all iDevices
- do a factory reset of your printer remove all cables min. 30 sec.
- turn on your router first
- ran the network set up wizard
- give your printer also a new name like "DeskJet 2015"
Something which you don't have used before.
- turn on your Mac's and add your printer
- turn on your iDevices at least.
Should work after these steps.
It worked for me including all iDevices.
iOS and Yosemite

I have the airport extreme. I can print from my mac using wireless. I set up the bonjour with my mac laptop. It see's the printer but when I try to print from my laptop it tells me the printer is offline. Printer is on and prints from mac. Help!

I can not print from my mac laptop. I have the airport extreme for wireless. I can print from my Mac using wireless but not my laptop. Laptop see the printer but says its offline when I attempt to print. Help!

Try this:
http://discussions.apple.com/message.jspa?messageID=8096765#8096765
Good luck!

I can airprint from my macbook and imac but not my iphone and ipad, whats wrong?

I can airprint from my macbook and imac but not my iphone and ipad, whats wrong?
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Hey Fredrik68,
I would double check and see if you meet all the requirements for AirPrint here, including the printer model:
AirPrint Basics
http://support.apple.com/kb/HT4356
Have a good one,
Delgadoh

When I accept a meeting request via email I am unable to designate which calendar I want the meeting to go to. I can do it on my iPhone, but not my MacBook.

When I accept a meeting request via email I am unable to designate which calendar I want the meeting to go to. I can do it on my iPhone, but not my MacBook. The calendars are shared with my wife, she is the owner of the calendar but I have Read & Edit permissions.

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How can I sync my iphone 4s calendar to my macbook pro without using cloud. I can sync from macbook to iphone but not visa versa.

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Follow the steps given here...
Syncing to a "New" Computer or replacing a "crashed" Hard Drive

I can print from my macbook pro using airport express usb connected printer, however my iPad is looking for an airprint printer. Can I direct the iPad to the usb connected printer. Both macbook and iPad confirm a wifi connection through the airport exp.

I can print from my macbook pro using airport express usb connected printer, however my iPad and iphone are looking for an airprint printer. Can I direct the iPad/iphone to the usb connected printer. Macbook iphone and iPad confirm a wifi connection through the airport express.

You will need to install an App like Print Central on the iPad to try to print to the printer. It will allow you to print to most printers. Check with their support folks if you need more info.
PrintCentral for iPad on the iTunes App Store

Why cant i print from my ipad using airport express but i can print from my mac using the express

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Can print from MacBook via Airport, but not from eMac

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