Indicating a carrage problem

The encoder strip is most likely the problem. Unplug the power from the printer. Open the front cover and move the cartridge carrier to the center. You should see a white ribbon cable, a thin plastic strip and a black belt with teeth.
The thin plastic strip is the encoder strip. It rides in a sensor on the back of the cartridge carrier that you will not be able to see. Reach in with the first finger of either hand and carefully strum the strip as if playing a guitar.
The strip will need to be lowered slightly and brought towards you slightly. Please be careful not to break the strip or your printer will not function. Once you believe the strip is set correctly, plug the power back and try printing the self test. If it slams to the left again, the strip is not yet set correctly.
If you cannot repair the strip, please let us know so that we can assist you further.
Please Note: Fixing the encoder strip is a delicate procedure. During the troubleshooting, if the strip breaks, you will not be able to use the printer.

try this printer self-test by following the steps given below:
1. Please press the "Options" button 10 times. "Cartridges" should now appear in the display screen.
2. Press the "Left Arrow" button once, which then brings you to the "Self-Test" option.
3. Press the "Select" button once. You will hear a series of clicks.
4. It should print out a sheet of paper with horizontal color and black lines and smaller vertical lines.
You should see text followed by a thick 1-inch black bar. Under this bar, should be a process gray bar about ½-inch thick. Below this line should be a set of railroad like bars of cyan, magenta, and yellow.
Should this test fail, try it again without cartridges installed. If the self-test still fails to take paper in and make sounds like the carrier is moving across the paper, this is a hardware issue, and the printer will require service. If the self-test completes without any cartridges installed, run the self-test again with the color cartridge installed. (If you have both black and color cartridges, after this test, run the test again with just the black cartridge installed.) If you find that either cartridge causes the self-test to fail, please let us know.
If the self-test prints, but has lines or smudges or other print quality issues, please let us know. This includes any print quality issues, we need to know if the problems you have with your black or color are based in the printer, or communications with your computer, or the computer's software.
If the self-test prints your test bar(s) clearly, the printer hardware is not at fault.