Lexmark Optra E 4026-0 Series Reference Handbook page 134

Service Error Codes (Continued)
Error Symptom or Message
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
977 Network Card Error
980 Device Error, 2000- sheet
paper deck motor.
Action
Be sure all cables are securely
installed then POR the machine. If
you still have a failure, replace the
system board.
Replace the EPROM controller
card (J8).
Replace the controller card. Be
sure to move the controller SIMM,
memory SIMMS, and option cards
from the old board to the new one.
Replace memory SIMM J3 on the
controller card.
Replace optional memory SIMM
J2.
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.
The system processor has
detected an INA card is installed
but cannot communicate with it.
The X after the card indicates
which one has the problem.
Network card 1 will always refer to
the INA in the bottom slot and
Network card 2 will always refer to
the INA card in the top slot.
Be sure the controller card riser
card is properly installed.
Be sure the motor is securely
installed. If necessary, replace
motor MT31.
6-7
4040