Ricoh Pro C901S Replacement Manual page 37

11. Turn the machine's main power switch to ON, close the left and right front
covers, and then wait for the machine to warm up.
12. Access the Adjustment Settings for Skilled Operators menu. (See p.18
"Accessing the Adjustment Settings for Skilled Operators".)
13. Reset the replaceable parts counter for the replaced drum unit. (See p.20
"Resetting the Replaceable Parts Counter".)
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