Service Manual
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Acronyms ACM ADC ASIC CBM CRC DIMM EEPROM ENA FRU HBP HVPS LCD LED LSU LVPS NVRAM PC PCL POR POST PPDS PRC PSO RIP TAR SDR SWE USB V ac V dc Autocompensator Mechanism (... Replaceable Unit Host Based Printing High Voltage Power Supply Liquid Crystal Diode Light Emitting Diode Laser Scanning Unit Low Voltage Power Supply Nonvolatile Random Access Memory Photoconductor Printer Control Language Power-On Reset Power-On Self Test Personal Printer Data Stream People's Republic of China Participating Standards Organization Raster Image Processor Toner Add...
Acronyms ACM ADC ASIC CBM CRC DIMM EEPROM ENA FRU HBP HVPS LCD LED LSU LVPS NVRAM PC PCL POR POST PPDS PRC PSO RIP TAR SDR SWE USB V ac V dc Autocompensator Mechanism (... Replaceable Unit Host Based Printing High Voltage Power Supply Liquid Crystal Diode Light Emitting Diode Laser Scanning Unit Low Voltage Power Supply Nonvolatile Random Access Memory Photoconductor Printer Control Language Power-On Reset Power-On Self Test Personal Printer Data Stream People's Republic of China Participating Standards Organization Raster Image Processor Toner Add...
Service Manual
Page 52
...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 ✷...checksum while programming port ✷ ✷ 979-Flash parts failed while programming port ✷ ✷ ✷ 2-28 Lexmark™ E250d and E250dn Replace the controller card. Codes 955-959 indicate a failed controller card assembly. Service tertiary error codes-network error Lights...
...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 ✷...checksum while programming port ✷ ✷ 979-Flash parts failed while programming port ✷ ✷ ✷ 2-28 Lexmark™ E250d and E250dn Replace the controller card. Codes 955-959 indicate a failed controller card assembly. Service tertiary error codes-network error Lights...