2-28 Lexmark™ E250d and E250dn
4512-220, -230
NVRAM failure
Error codes 950-954 indicate a problem in the NVRAM (nonvolatile random access memory). Replace the
operator panel assembly. Codes 955-959 indicate a failed controller card assembly. Replace the controller card.
Service tertiary error codes–NVRAM failure
Network error
Indicates an error in the network circuitry. Replace the controller card assembly.
Service tertiary error codes–network error
Lights
Service secondary codes–95x ✷ ✷ ✷
Service tertiary codes–NVRAM failure
950–Secure EEPROM data does
not match NVRAM
✷
951–Secure EEPROM failure ✷ ✷
952–NVRAM CRC failure ✷ ✷
954–NVRAM chip failure ✷ ✷
955–Code ROM or NAND failed
CRC ✷ ✷ ✷
956–Processor failure ✷ ✷ ✷
957–ASIC failure ✷ ✷ ✷ ✷
958–NAND failure ✷ ✷
959–SRAM failure ✷ ✷ ✷
Lights
Service secondary codes–97x ✷ ✷ ✷ ✷
Service tertiary codes–network error
975–Unrecognizable network port ✷ ✷ ✷
976–Unrecoverable software error
in network port
✷ ✷ ✷
978–Bad checksum while
programming port
✷ ✷
979–Flash parts failed while
programming port
✷ ✷ ✷
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