How to load an image on a LAP1252 with the bootloader

Hello--
I have a LAP1252 that lost the flash image, consequently, when it tries to boot, the boot loader can not find anything to load. I can not find any documentation on how to use the TFTP client on the AP, can anyone point me in the right direction?
Thank you.

Converting a Lightweight Access Point Back to Autonomous Mode
http://www.cisco.com/en/US/docs/wireless/access_point/conversion/lwapp/upgrade/guide/lwapnote.html#wp161272

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another_beginner wrote:
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How to load an image on a LAP1252 with the bootloader

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