Oki MC770 - Precautions, Procedures and Settings for Replacing PC Boards and HDD

45584901TH Rev.1
6-8 /
Oki Data CONFIDENTIAL
6.2 Precautions, Procedures and Settings for Replacing PC Boards and HDD
6.2.1 Precautions when replacing PC boards
• TheIDforeachequipmentisregisteredonthePUboard,theCUboardandSUboard.So,if
theirreplacementisrequired,besuretoreplaceonlyoneboardatatime.Donotreplacethe
CU board and the SRAM board (for the CU board) together.
• Ifboth thePUboardandCUboardrequirereplacement,replacetheminthefollowing
procedure.
1.First,replaceoneoftheboardtobereplaced.
2.TurnthepowerONandconrmthat“READY”isdisplayed.
3. Turn the power OFF.
4.Replaceanotherboardthatrequiresreplacement.
• WhentheHDDrequiresreplacement,see“6.2.3Precautionsandprocedureswhenreplacing
the HDD”.
• WhentheCUboardrequiresreplacement,see“6.2.4PrecautionsandProcedureswhen
replacing the CU board”.
• WhenSRAMboardrequiresreplacement,see“6.2.5Precautionsandprocedurewhen
replacing the SRAM board (for the CU board)”.