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5. Remove the staple retainer, which holds the staples in place during shipment, from
the new staple cartridge.
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6. Load a new staple cartridge and push the stapler unit back to the original position.
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7. Press the test button using a pointed object to place the staples in the ready
position. (This prepares the stapler to begin stapling. If you do not perform this test,
it may take several print jobs before the staples are placed in the proper position
for stapling.)
Chapter 6. Maintaining the Printer 147