106Installation and Service Guide: Color Controller E-85
Troubleshooting
• All replaceable parts are:
• Present
• Properly aligned
• Installed securely
• Installed on the appropriate site
• The correct part for the system
• Not visibly damaged
• Chassis and contents have not been tampered with (no unauthorized
additions or changes have been made).
• Chassis does not contain any foreign objects.
Chassis, page 48.
• Motherboard, including components and traces, appears undamaged and no
foreign objects are evident.
• Each CPU is present, installed in the correct connector, well-seated, and
appears undamaged.
• Each CPU cooling unit is well-aligned and firmly attached.
• Each fan (including fan cable) is well-positioned, installed in the correct
connector, and appears undamaged.
• Boards required on the motherboard are present, well-seated, and in the
correct slots.
• Battery is installed.
Motherboard (with motherboard replacement
dongle), page 56.
Important: When replacing the motherboard,
carefully review the cautions on page 63.
• Each DIMM is well-seated and installed in the correct slot.
• DIMM connectors are not oxidized (reseating removes oxidation).
DIMM for E-85, page 66.
Printer interface board is:
• Present
• Installed in the correct slot
• Well-seated
• Not visibly damaged
Required cables (if applicable) is:
• Present
• Firmly connected in the correct connectors
• Not visibly damaged
Printer interface board assembly, page 55.
Graphic board is:
• Present
• Installed in the correct slot
• Well-seated
• Not visibly damaged
All fan and ribbon cables on the board are:
• Present
• Firmly connected in the correct connectors
• Not visibly damaged
Graphics board,page 56.
Conditions to verify Part and additional page references
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