Dell 5535dn Service Manual page 303

6. Press down on the staple guard until it snaps into place.
7. Push the cartridge holder firmly back into the stapler unit until the cartridge holder clicks into place.
8. Close the stapler door.
290–294 paper jams
1. Remove all original documents from the ADF.
2. Open the ADF cover, and then remove any jammed paper.
3. Close the ADF cover.
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Diagnostic aids