I meant to answer the issue about moving the ink carriage.
Turn the printer off, wait 10 or more seconds, turn it on and while the ink carriage is scanning back and forth, unplug the power while it is anywhere but the extreme right. Once the power is unplugged, you can slide the carriage to the left and check out all the little nooks and crannies for bits of paper, lint or debris. When you are satisfied that all is well, plug the power back in and the printer will reset and be ready for use. If it does not move when you plug it back in, you may need to press the power button.
By the way, while the power is on, usually one can press the ink error button (right button with the droplet icon) and the ink carriage will move into the cartridge change position. At this point, unplug the power cord and the carriage will move freely. Please do not try to move it with the power still on. Not a good idea.