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My MF4320 printer no longer goes into sleep mode. (I powered it off for some reason and, when back on, it never went to sleep) I've checked the menus, sleep mode is selected and it's set to stay awake for 3 or 4 minutes. I tried changing the time set...

Machine used to work fine, now it will not complete scanning a single page thru the ADF. Page starts scanning, percentage gets up to 65%, then the page is ejected. If there are more pages, they're all pulled through quickly and the percentage stays t...