Printer does not work after powering it off and then on. Power off again. Wait ten seconds, and then power on. Excessive paper curling 1.   Make sure the paper drawers are installed correctly.
2.   Make sure paper meets specifications. See “Selecting Paper and Other       Printable Material” on page 31.
3.   If the paper is stored at a different temperature or humidity than the       printer room, let the paper adjust to the new environment. Leave the
      paper in its wrapper while it adjusts.
4.   Store paper in its original wrapping.
5.   Turn the paper over in its tray to see if the curl improves.
6.   Use fresh paper (paper recently removed from its wrapper). Do not use stale paper (paper that has been out of its wrapper for several days.) Appendix A. Troubleshooting 195