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I just jailbroke my 4th gen kindle touch ahead of the shut down. I am on fw 5.3 something since that's what was suggested in the jailbreak guide. I installed the hot fix and kual and that runs fine. I launch kindleforge and the screen blinks for a second and doesn't load. I ensured I'm on the newest hot fix. Can anyone help?

Are there any hp technicians here? I am a tech that works on hps but not for hp directly. There seems to be a major defect in the m454/455/479/480/4201 printers. The machine will throw a false jam due to the idle rollers in the registration getting stuck. Freeing the rollers fixes it until it happens again. I've tried replacing the part but when I put the machine back together, there is no feed from the tray and I cannot figure out why. If anyone who works on these machines and has seen this please help!