Lexmark 4059-XXX - Manual (Page 225)

Repair Information 4-62
4059-XXX
Upper Front Cover Interlock Switch Assembly
1. Remove the upper front cover.
2. Remove the operator panel.
3. Remove the inner EMC shield.
4. Press the retaining tabs (A) and remove the interlock switch
assembly.
5. Note the routing of the interlock switch assembly cable and
disconnect the cable at connector J4 on the engine board.