10/002-210 Phaser 790/DocuColor 2006016-323/324/325, 016-330/331/332/333/334/335/336Initial IssueStatus Indicator RAPs016-323/324/325 ESS NVM RAM Failure RAP016-323: The Control Logic detected an ESS NVRAM1 (billing) failure.016-324: The Control Logic detected an ESS NVRAM2 (billing) failure.016-325: The Control Logic detected an ESS NVRAM3 (print log) failure.ProcedureReplace the ESS PWB (PL 12.1).016-330/331/332/333/334/335/336 Interface Error RAP016-330: Communication error between the ESS and Network Interface (1394) PWBs016-331: Network Interface (1394) PWB Flash ROM Boot Module checksum error016-332: Network Interface (1394) PWB RAM read/write test error016-333: Network Interface (1394) PWB Flash ROM Application Module checksum error016-334: Network Interface (1394) PWB MAC address checksum error016-335: Network Interface (1394) PWB Ethernet RAM read/write parity error016-336: Network Interface (1394) PWB internal loopback test errorProcedureSwitch off the power then switch on the power. If the fault remains, replace the 1394 PWB (PL12.1). If the problem still exists, replace the ESS PWB (PL 12.1).