Question about Brother MFC-8440 All-In-One Laser Printer

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Brother MFC 6490 CW--have an error message "unable to print 6F" what does that mean and how do I fix it

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This indicates one of 4 problems. They are in this order from easiest to most difficult.

1 Malfunction caused by overload (unplug the power cord and wait 5 seconds then plug back in.
Open and close the scanner cover.

2. ASF encoder sensor defective (Replace ASF motor assy)

3. ASF Motor defective (Replace ASF Motor assy.)

4. Main PCB Defective (Replace Main PCB)

If this is any problem other than 1 above you will need an authorized service center.

Good Luck

Posted on Mar 26, 2011

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Posted on Jan 02, 2017

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