Ricoh 9100DN - Aficio SP B/W Laser Printer Hardware Manual page 90

7. Replacing Consumables
7. Gently push down the upper unit into the cartridge.
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8. Pull out the ribbon.
9. Hold the green lever while pushing in the cartridge until it clicks. Return the lever S2 to its
original position.
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AST056S
AST057S
AST058S