Uninstall and reinstall the printer software. It might be a good idea to go to Brother's website and see if there might not be a more current software available for download. Many times such glitches are created by software/drivers needing to be updated.
Brother HL-2240 Laser
When powering on 1 or 2 sheets eject. Also when printing, it ejects 1 or 2 extra sheets.
Anybody have any insight on correcting problem.

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