Lexmark C520 Series, Service Manual

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Repair information
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10.
Rotate lever arm (O) all the way up as if the top access door were open.
11.
While still holding lever arm (O) up, flip right lock (P) up and install front mounting screws (Q).
Warning: Failure to place the camshaft assembly in the open position will prevent the front access door from
closing and may cause damage to the door during closing.
12.
Continue to hold lever arm (O) up. Flip right lock (P) down and rotate camshafts (R) up. This is the open
position.
13.
Lower lever arm (O) and ensure that left lock (S) and right lock (P) are positioned correctly in their
respective channels (T).
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