Fix BSOD on DesignJet T120 / T520 for free?

Being a curious sort of guy – and having an inexplicable love for tinkering with large format printers – I couldn’t pass up an offer for a really cheap, but non functioning, DesignJet T520. Can I fix it?

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Everything about the Canon W6400 and W8400

This is a followup post on my earlier post about chip resetting cartridges for the Canon ImagePrograf W6400 and W8400 series printers. I had the W8400D for quite a while, but haven’t used it a lot. Meanwhile I have bought a used W6400PG dirt cheap, with problematic heads and no ink.

The W6400 and W8400 has many secrets. But not so many now 😉

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Flashing Cisco AIR-AP1142N / AIR-LAP1142N

Upgrade, downgrade or crossflash from LAP to AP style firmware on Cisco APs with serial bootloader commands.

The following procedure will format the flash entirely, set up IP address for the bootloader, restart bootloader with newly set IP address, tftp transfer and unpack the image and finally boot up the image and do initial configuration (set onboard ethernet to DHCP).

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DIY CNC machine (GhettoCNC)

A cheap CNC router you can build yourself. If you have a 3D printer, that is …
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Reset IBM DS3524 / DS3512 RAID Manager Password

You’ve locked yourself out of the IBM Storage Manager, have you? Or perhaps you’ve gotten yourself a used unit, but have no password for it.

Telnet to both controllers IP-addresses (or use serial console via 4pin mini DIN plug in top left corner of both controllers), and type

VxWorks login: shellUsr
Password: wy3oo&w4 (not shown as you enter it)

-> loadDebug
value = 1 = 0x1
-> setSAPassword_MT ""
ReturnCode = 0x1
value = 1 = 0x1
-> unld "Debug"
value = 0 = 0x0
-> exit

This removes the password, so you can configure through the DS Storage Manager without entering a password. Log on to controller B and follow the same steps.

No need to reboot, it should work immediately.

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