HP LaserJet Enterprise 600 Printer M603 series - Manual (Page 194)

1. On the right side of the stapler/stacker, turn
the stapler unit toward the front of the product
until the unit clicks into the open position. Pull
outward on the blue staple cartridge to remove
it.
2. Rotate the green cover on the end of the staple
cartridge upward, and remove the jammed
staple.
3. Insert the staple cartridge into the stapler unit,
and rotate the stapler unit toward the rear of
the product until the unit snaps into place.
178 Chapter 10 Solve problems ENWW