Very Slow Wireless Over Time Capsule

The background: I set up a Time Capsule for my wife's Mac Pro. It is set on full-time 'N'. And on the Mac Pro, it blazes (She gets wireless downloads of 8,000 to 10,000 kbps).
I have an old Powerbook G4. In order to keep that machine on the internet, I plugged our old Linksys 'G' Router into the back of the Time Machine via ethernet. Worked perfectly. We have two networks in the house one 'N' one 'G'. Both work beautifully.
The Issue: My new iMac arrived today. I immediately connected it to the Time Capsule via wireless and the internet connection was very slow. I then changed the iMac's network to the Linksys 'G' router and suddenly the internet connection was fast.
I did some tests using speakeasy.net (a free on-line speed test). They confirmed my subjective experience. My wireless 'N' Time Machine downloads were around 490kbps. When I connected to the Linksys 'G' router, my download speeds jumped to 11,000+ kbps.
I am perplexed. Since this problem is only on the iMac, not on the Mac Pro, it seems like it must be some setting deep in the bowels of OS X.
One last detail: the only reason I care is that our living room stereo is connected to the Time Machine 'N' network via an airport express. I need to be on that network if I want listen loud.
Thanks in advance for any suggestions.

I have a similar problem with the wireless function of my new Time Capsule. I have replaced an older Airport Base Station (802.11b) with a new Time Capsule, moved an Airport Express (802.11g) from Air Tunes use to remote printer use, and added a new Apple TV, all in the same network. I have high speed cable internet service (suitably fast through the old Airport Base Station) to the WAN port of the Time Capsule. My problem is that I am repeatedly having to perform a software "reset" on the Time Capsule in order to keep the wireless internet throughput above dial-up performance speeds. At the same time, speed is not a problem on my iMac, which is attached to the Time Capsule by an ethernet cable. Internet speed is also not a problem on the Apple TV. Performance on the Epson Stylus CX7400 attached to the Airport Express is also very slow, taking 2-10 minutes to print a simple page of text.
I would appreciate any ideas or suggestions.

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I am using macbook air and thrying to print wireless over time capsule with a lexmark 5600/6600 series, i can print test page but only this. Anyone can help?

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Check here, if this can help:
http://support.apple.com/kb/HT4670?viewlocale=en_US

Slow wireless on Time Capsule

I realize this question in some form or another has been posted ad nauseum, so I'll apologize in advance.
I'm running a 500 GB Time Capsule. I recently got the bright idea to extend the network and bought a couple of new AirPort Express (11n models). I pulled an old Netgear router out of the mix and switched the network so the TC would serve as the router and the Expresses would extend the network. I reset the TC and started from scratch. I even tried forcing the 5Ghz setting to see if that would speed things up.
Before I even get to configure the Expresses, I'm running into a VERY slow wireless problem with the TC. My MacPro plugged into the TC with ethernet is moving around 8Mbps online. My iPad and MBP are lucky to get 700Kbps. The iPad and MBP are in the same room as the TC, less than 10 feet away from the unit, so walls, etc. are not an issue. Strangely, according to Speedtest.net, I get about 1.2Mbps UPLOAD speed on the iPad while only getting around 700Kbps download. That strikes me as very unusual.
I've checked the SNR per earlier posts and they seem in the very good to excellent range.
Is this a bad unit or is there something more I should be looking at?
Thanks in advance

I realize this question in some form or another has been posted ad nauseum, so I'll apologize in advance.
I'm running a 500 GB Time Capsule. I recently got the bright idea to extend the network and bought a couple of new AirPort Express (11n models). I pulled an old Netgear router out of the mix and switched the network so the TC would serve as the router and the Expresses would extend the network. I reset the TC and started from scratch. I even tried forcing the 5Ghz setting to see if that would speed things up.
Before I even get to configure the Expresses, I'm running into a VERY slow wireless problem with the TC. My MacPro plugged into the TC with ethernet is moving around 8Mbps online. My iPad and MBP are lucky to get 700Kbps. The iPad and MBP are in the same room as the TC, less than 10 feet away from the unit, so walls, etc. are not an issue. Strangely, according to Speedtest.net, I get about 1.2Mbps UPLOAD speed on the iPad while only getting around 700Kbps download. That strikes me as very unusual.
I've checked the SNR per earlier posts and they seem in the very good to excellent range.
Is this a bad unit or is there something more I should be looking at?
Thanks in advance

Airport express very slow when extending Time Capsule

I'm trying to help my father solve a networking problem.
For the past several years, I had him using an airport base station and (2) Airport Express units as extenders.
He was using a circa 2004 Powerbook G4 17" and a MacPro Dual Core tower unit.
I finally got him to upgrade the Powerbook to a the new Macbook Pro i7. With the older computer out of the loop, I also upgraded him to Time Capsule.
Everything is installed and running now. However, the network speed in portions of the house where the Express is supplying the signal is very slow. A test on the laptop with DSL Reports gave an average upload speed of about 200.
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Bob -
Was wondering if you can elaborate on your response and perhaps help me? I apologize if I have missed this topic covered elsewhere.
I am using a N-capable Time Capsule and an older model G-speed airport express. My biggest issue is that my wireless speeds are 1.5 download and 1.9 upload when in fact my cable modem pumps out 15! In reading your posts I see that my network is likely dropped down to G due to my old express, and in fact my computer may be running of a spliced version of that if using WDS settings?
I think i'll end up calling apple support at some point but was curious if you can go over the facts of using N and G together, and if i can have my macbook pro speak to my N network only and my iphone 3G speak to G airport express only?
Last piece of info is I use the airport express for my music.... not sure if this means they must be WDS or not? I'm just looking to get my N devices as fast as possible while continuing to use my G express. If you tell me i need to upgrade to a N express I can live with it.... but if i can avoid the $100 and work with what i have...all the better!
Thanks in advance,
Joe

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Tell me what is ******* going on!!!????! The time and date issues!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Every times I went to Apple store, the phone automatically works good time, but when I came back, my phone is working very slow with wrong time!

The time and date issues!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Every times I went to Apple store, the phone automatically works good time, but when I came back, my phone is working very slow with wrong time!
I want to get a new iPhone to replace this defective phone. I am gonna be crazzzzzzzyyyyyyyy with anger,!!!,!,,,! I takes2 hours to go to Regent street apple stores for three times!!!!!. It is a lot of transport fees !
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Mail has 16k messages, and performance is very slow, with loading times taking up to 5 seconds every time I open Mail. How can I increase performance?

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Looking for a back up drive for photos and videos that works with time machine, prefer wireless. Time capsule has poor reviews and already have BT hub

Looking for a back up drive for photos and videos that works with time machine, prefer wireless. Time capsule has poor reviews and already have BT hub that serves as a good router. 3gb or 4gb capacity preferred but 2 would suffice.

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