Lexmark Optra W810 Service Manual page 112

4023-001
Error Code
943 Controller
Font Version
944 Controller
Board Failure
945 Controller
Board Failure -
ASIC Failure
946 Controller
Board Failure -
SRAM Failure
947 Engine
Board
953 NVRAM
Failure
954 NVRAM
Failure
955, 956, 957,
959 System
Board
960 RAM
Memory Error
961 RAM in Slot
1(J4) is Bad.
962 RAM in Slot
2 (J3) is Bad.
963 RAM in Slot
3 (J1) is Bad.
2-4
Service Manual
Action
Indicates that the RIP controller code and FONT ROM
are incompatible.
Replace the RIP controller board.
Replace the RIP controller board.
Replace the RIP controller board.
Replace the printer main engine board (PWB-A).
Indicates the NVRAM chip on the engine board has
failed. Replace the IC EPROM on printer main engine
board (PWB-A).
Indicates the NVRAM experienced a CRC failure.
Replace the printer main engine board (PWB-A).
Indicates a processor, ASIC or SRAM failure on the
engine board. Replace the printer main engine board
(PWB-A).
Indicates a memory error on the RIP controller board.
Replace the RIP controller board.
Ensure RAM is properly installed. Replace RAM in Slot
1. If this does not fix the problem, replace the RIP
controller board.
Ensure RAM is properly installed. Replace RAM in Slot
2. If this does not fix the problem, replace the RIP
controller board.
Ensure RAM is properly installed. Replace RAM in Slot
3. If this does not fix the problem, replace the RIP
controller board.