Lexmark T430 Service Manual - Page 44

4048-1xx Service error codes (9xx) (continued) Error Description Action 964 Download emulation Perform the following: CRC failure. Checksum failure detected in the emulation header or emulation file. 1. Disable the downloaded emulations. See "Download Emuls" on page 3-24. 2. Reprogram the downloaded emulations. If the problem persists, replace the emulation card. 975 Unrecognizable network port 976 Software error in network port A failure with the network port. If the printer is a network model, replace the controller card. See "Controller card assembly removal" on page 4-50. 978 Bad checksum while programming network port. 979 Flash parts failed while programming network port. 980 Comm Service errors 980 through 984, The engine is can be one of the following: Engine, experiencing unreliable Duplex, or Tray x (x=1, 2, or 3). communications to the specified device. 2-10 Service Manual