Hi, I'm Nathan.Sorry to hear that you're having trouble with this but I'll do my best to help you.
This could be from damage to the cartridge from the shaking, but is more likely a drum issue. Open the printer up and pull out the toner/drum, then locate the blue or orange little plastic tab on the drum component and slide it side to side about 5 times to clean, then put it back together and try a test print.
Let me know if that helps,
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You're welcome, I'm glad it is working for you again.
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