Lexmark Optra N 4040 Service Manual page 33

4040
Error Symptom or Message
938 Paper Deck Option Card, No
response
939 System Board Error
941 Incorrect CHECKSUM
(EPROM)
944 Controller Card Failure
945
946
947
950
953
960 Memory Error, Base DRAM
(J3)
961 Memory Error, Option
DRAM (J2)
97X INA Failure
Action
Check all connectors on the paper
deck board and be sure all doors
are securely closed. POR the
machine. If you still have a failure,
replace the paper deck option
controller card (29-1). If you still
have a failure, replace the paper
deck driver board (23-41).
Be sure all cables, SIMM, and
option controller riser card are cor-
rectly installed, then POR the
machine. If you still have a failure,
replace the system board (4-9).
Replace the EPROM controller
card (J8) (19-3).
Replace the controller card (19-2).
Be sure to move the controller
SIMM, memory SIMMS, and
option cards from the old board to
the new one.
Replace memory SIMM J3 (19-
10) on the controller card.
Replace optional memory SIMM
J2 on the controller card.
Be sure the controller riser card
and the INA are properly installed.
Replace the INA. If you still have a
failure, replace the system board
(4-9).
Diagnostic Information 2-5