Toshiba digital copiers Service Manual page 58

4
Verifying the system
T 4-1
ABLE
Conditions to verify
• All replaceable parts are:
• Present
• Properly aligned
• Installed securely
• Installed on the appropriate site
• The correct part for the system
• Properly configured, if configurable (such as HDD jumper)
• Appear undamaged
• Assembly and contents have not been tampered with (no unauthorized
additions or changes have been made)
• Assembly does not contain any unwanted objects
• GA-1121 board, including components and traces, appears
undamaged and no unwanted objects are evident
• The CPU is present, well-seated, and appears undamaged
• The CPU cooling unit is well-aligned and firmly attached
• Each fan required (including fan cable) is well-positioned (not
backwards), installed in the correct connector, and appears undamaged
• Each DIMM is well-seated and installed in the correct slot
• Battery is installed
• Each DIMM is well-seated, and installed in the correct slot
• DIMM connectors are not oxidized
The CPU cooling assembly is:
• Properly positioned (CPU fan is not upside-down)
• Firmly attached to the CPU socket
• Connected to the proper cable connector on the GA-1121 board
Each intake fan is:
• Blowing air when the system is running
• Properly positioned (not backwards)
• Installed in the correct connector
• Unblocked by nearby cables and components
• Fan, fan cable, cable connector, and mating connector appear
undamaged
4-6
Troubleshooting
Part and page references
GA-1121 assembly
GA-1121 board, page 3-8
DIMM for GA-1121, page 3-13
CPU cooling assembly, page 3-11
Intake fans 1 and 2, page 3-16