In this video, I showed you how I fixed a "paper jam error" on Epson L3110 even when the crumpled paper was already removed from the inside.
The problem was found at the horizontal drive encoder. During power up, there was a loud sound of banging cartridge moving from left to right. That indicates that there is a problem in homing the cartridge. I just learned that the encoder ribbon was derailed from the sensor. Took me a while to fix it but it's worth learning and also satisfying to see it work again.

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