Cleaning the paper pick-up rollers

If you have paper feed problems, clean the paper pick-up rollers as follows:
1
Turn off the machine. Unplug the power cord from the electrical socket.
2
Pull the paper tray completely out of the machine.
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3
Tightly wring out a lint-free cloth soaked in lukewarm water, and then wipe the separator pad (1) of the paper tray with it to remove dust.
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4
Wipe the two pick-up rollers (1) inside of the machine to remove dust.
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5
Put the paper tray back in the machine.
6
Plug the machine’s power cord back into the electrical socket. Turn on the machine.