Lexmark E260dn Service Manual - Page 59
NVRAM failure, RAM memory error, Code ROM or NAND failed
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4513-220, -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 board assembly. Replace the controller board. Service tertiary error codes: NVRAM failure 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 ✷ ✷ ✷ RAM memory error Indicates an error in the RAM memory. Lights Service secondary codes: 96x Service tertiary codes: RAM memory error 960: Service RAM memory error ✷ 961: Service RAM memory error ✷ ✷ 962: Service RAM memory error ✷ ✷ 963: Service RAM memory error ✷ ✷ ✷ Diagnostics information 2-33