Oki Data CONFIDENTIAL44043511TH Rev.2 202 /(a)• YES Is the DIMM of the Main PCB set properly?NO Set the DIMM properly. If that does not solve the problem, replace theDIMM.• YES Are the voltages below output to the PU IF connector of the Main PCB?Pins 9, 10, 17, 18, 25, 26, 33, 34, 41, 42, 61, 69, 77, 85, 93: +5V±5%Pins 1, 2, 5, 6, 13, 14, 21, 22, 29, 30, 37, 38, 45, 46, 47, 48, 49, 53, 57, 65, 73,74, 81, 82, 89, 97, 99: 0VYES Replace the Main PCB.• NO Is +5V output the DENGEN connector of the Engine PCB?Pins 1 & 3: +5V, Pins 2 & 4: 0VYES Replace the Engine PCB.• NO Replace the Low-Tension Power Supply Unit.
