Remedy: 1 Check the MFPB connector for proper connection and correct as necessary. . . 2 Conduct the following setting. [Service Mode] - [Memory/HDD Adj.] - [Memory Check] - [Detail Check]. When gNGh is displayed, replace the appropriate memory or PWB. WORK0: DIMM0 WORK1: DIMM1 FILE0,1: MFP board FILE2,3: Not used FILE4,5: Not used . . 3 Conduct the following setting. [Service Mode] - [Memory/HDD Adj.] - [JPEG Check]. When gNGh is displayed, replace the JPEG board (JPEGB; SA-502). . . 4 Change MFPB