Doc feeder Nogo/ Doc cover open?

Check the connection of the doc feeder to the copier. if you open a cover on the doc feeder does reflect on the copier? Ensure the doc feeder is aligned there is a small magnet right front side of the doc feeder that sits on top of a switch (Can not be seen underneath front plastic the copier when down. Adjustment bolts for the doc feeder is the rear right hinge only.

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Pull the doc feeder open and clean the scanner glass

It could be 2 things...

1. Your scanner glass is dirty...open the doc feeder and clean the glass. probably Wite-Out.

2. A segment of your scanner assembly lamp is burned out. Not good, uneconomical to repair.

Yes there is and I know your problem have a look at the left hinge on lid that you lift to put down an original for copying, it will be breaking apart, the switch is black in that same corner on doc feeder base, as the hinge breaks apart the doc feed lifts in that corner causing "doc cover open" cause that switch no longer gets pushed in when lid is shut

Dodgy repair - tape switch closed, but doc feeder will not work properly/can use glass.

Repair - Easy removal of three screws and replacing 20buck hinge bought from brother dealer...part no.LE8731001 Hinge assy left.

Now that's FIXYA!