Solved Brother MCF-8910DW Printer/Scanner Tags: Scanners Brother Printers Last response: December 16, 2013 8:03 AM in Other Consumer Electronics Share bifreak December 12, 2013 8:38:29 AM Have a blue vertical line only when I scan on the top feeder, not on the flatbed. Have cleaned numerous times. It is not black, it is blue. More about : brother mcf 8910dw printer scanner Best solution rico21 December 15, 2013 8:34:54 PM well sounds like a sounds like a cartage problem. try amazon and buy a new one cheap. http://www.amazon.com/gp/search/ref=as_li_qf_sp_sr_il_t... Share bifreak December 16, 2013 8:03:14 AM I put in a brand new cartridge, didn't change anything. But thank you for replying! m 0 l Can't find your answer ? Ask ! Publish !