Author Archives: lkarlslund

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 … Continue reading

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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 … Continue reading

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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 … Continue reading

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