Troubleshooting
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For the error code 387 or 391
The error code [387] is displayed only in B842.
1
Pull out the paper cassette of Tray 1 by holding its handle until it stops, raise the paper cassette
a little by holding its both sides, and take it out.
2
Remove the jammed paper.
3
Insert the paper cassette into the main unit from slightly above and install it back to its original
position.
If you return the paper cassette to the main unit by force, the paper stopper may shift.