Lexmark 4059-XXX - Manual (Page 107)

Diagnostic Information 2-80
4059-XXX
FRU Action
1 Output Expander Option Make sure the output expander
option is the only option that is not
recognized by the base printer. If the
output expander is the only option
not recognized by the printer,
continue with step 2. If not, check the
autoconnects of the options not
recognized and the interconnect
board and cable connections.
2 Output Expander Assembly
Mechanical Linkage Check the autoconnects for damage,
especially the connector pins.
Remove the left and right side
covers. Remove the front control
board cover. Check the cables at
J1A, J1B, J2A and J2B on the
control board to make sure they are
attached securely and correctly.
Remove the output expander and
check the voltages on the output bin
autoconnect located on the top left
rear of the printer. Go to
“Autoconnect - Top” on page 5-21 . If
the voltages are correct, reinstall the
output expander unit and check the
voltages at J1A and J1B on the
connector. If correct, replace the
output expander control board. If
incorrect, replace the output
expander assembly mechanical
linkage.