Lexmark T640 Service Manual - Page 70
Invalid command parameter received by, General device
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4061-xx0 Service error codes (9xx.xx) (continued) Error code Sub codes Display text 980 .00 Unreliable comma to Paperport device 981 .00 Interface protocol violation by engine 982 .xx Paperport communication error 983 .00 984 .00 990 .00 Invalid command received by device Invalid command parameter received by device General device equipment check 991 .00 Device system card failed basic assurance test Description Action The engine is experiencing unreliable communications to the specified device. The engine protocol violation detected by the specified device. Service errors 980 thru 984 can be one of the following: system board, duplex, tray x (1, 2, 3, 4, or 5), envelope feeder or output bin. Communications error detected by the specified device. Invalid command received by the specified device. Invalid command parameter received by the specified device. Indicates an equipment check condition has occurred in the specified device, but the device is unable to identify the exact component failure. The specified device has detected an equipment check in its system card. Service errors 980 thru 984 can be one of the following: system board, duplex, tray x (1, 2, 3, 4, or 5), envelope feeder or output bin. 2-30 Service Manual