Inspecting The System - Toshiba digital copiers Service Manual

4
Verifying the system
T 4-1
ABLE
Conditions to verify
When problem occurs, verify that:
• Main power switch on copier is on
• Power cable from the copier is attached to the correct connector on the
GA-1121 board
• Power cable from the copier is connected properly to the power outlet
• GA-1121 assembly is well-seated, connected properly to the copier
• Network link activity LED on RJ-45 connector is blinking
• All external cables required are present, in correct connectors,
well-seated
• Cables, cable connectors, and mating connectors appear undamaged
If problem occurs at power up or reboot, verify that:
• Activity LED on the Control Panel lights
• Control Panel display screen lights up and boot up messages display
• No error messages or system hangs occur before reaching Idle
• After the system reaches Idle, the Control Panel keys work
Preliminary on-site checkout

Inspecting the system

If your initial checks of the cable and board connections do not fix the problem, you can
inspect the system on a component-by-component basis, as described in Table 4-1. A
comprehensive inspection allows you to verify that each hardware component is properly
installed and configured, and helps you avoid replacing expensive components
unnecessarily.
If the system you are servicing does not meet a condition listed in Table 4-1 below and it
is not obvious what action(s) you should take to fix the problem (for example, if the
system hangs before reaching
perform the suggested action(s) given for the condition.
), locate the behavior in Table 4 -2 on page 4-9 and
Idle
Part and page references
External connectors, page 4-3
Control Panel, page 2-1
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