I/o board removal, If error persists, Oard. see – Lexmark 5021-0XX User Manual
Page 300: I/o board

4-70
Service Manual
5021-0XX
I/O board removal
1. Remove top cover assembly. See
2. Remove five (A) screws from shield cover.
3. Disconnect all cables attached to I/O board.
Warning: There are several cables connected to the I/O board that
can be interchanged. When removing the cables, especially if the tie
wraps are to be cut, use an identification method for the cables.
Write the distinguishing cable wire colors in the table provided. If a
connector is not used, write N/A in the column.
Connector Number of pins
Cable wire colors
DCN1
39
DCN2
3
DCN3
31
DCN4
8
DCN5
3
DCN6
6
DCN7
12
DCN8
3
DCN9
N/A
DCN10
24
DCN11
12
DCN12
14
A
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