Samsung SRP-250 Series Operator's Manual page 46

3)
Remove the roll paper from the printer.
4)
Remove the ribbon cassette.
5)
Move the head carriage to the reverse direction of paper jammed by 1st gear
reduction as shown illustration.
6)
Remove the jammed paper by rotating the paper-feed knob.
7)
Replace the head cover and secure it with screw.
8)
Replace the ribbon cassette and roll paper, then close the printer cover.
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