Lexmark Optra S Service Manual - Page 188
Release the four latches B and remove the fan from the left, side frame.
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Page 188 highlights
4059-XXX Main Fan 1. Remove the top rear cover. 2. Remove the inner EMC shield. 3. Note the routing of the main fan cable (A) and disconnect the cable from the engine board at connector J1. 4. Release the four latches (B) and remove the fan from the left side frame. 4-25 4059 Service Manual
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4-25
4059 Service Manual
4059-XXX
Main Fan
1. Remove the top rear cover.
2. Remove the inner EMC shield.
3. Note the routing of the main fan cable (A) and disconnect the
cable from the engine board at connector J1.
4. Release the four latches (B) and remove the fan from the left
side frame.