Xerox C2424 - WorkCentre Color Solid Ink Service Manual page 219

d.
With power cord connected, touch the metal electronics module to discharge
any static electricity. ESD damage to the system may occur if static
electricity is discharged to system electronics.
e.
Turn off system and wait 30 seconds for power supply capacitors to
discharge. Damage to circuits within the electronics module may occur if the
power supply capacitors are not allowed to fully discharge.
f. Unplug power cord and remove system's covers. Use caution around motors,
pulleys and live AC connections when working with the system covers off.
g.
Examine system for loose grounding connections, especially the ground
strap on the Y-axis motor. Eliminate the possibility of internally generated
ESD from affecting system.
h.
Plug in all cables removed during service. Trace through all service steps
performed to reattach any cables that were unplugged during
troubleshooting.
i.
Attach system covers.
j.
Perform full test of system.
System Continuously Resets or Resets Unexpectedly
a.
Check the main AC voltage. For troubleshooting AC voltages, see page 4-72.
b.
Disconnect the network cable, if this corrects the problem go to "Network
Problems" on page 4-81.
c.
Try entering Service Diagnostics, see page 4-4.
d.
If you are able to enter service diagnostics, view the fault history for any
error codes that may be causing the system to reboot. Troubleshoot any error
codes reported.
e. Turn the system off and unplug the document feeder. If the system powers on
normally, replace the document feeder.
f.
Turn the system off and unplug the scanner. If the system powers on
normally, replace the scanner.
g.
Replace the electronics module.
Control Panel Is Blank and the PS and PE Indicators are Flashing an
Error Code
The system has detected a fault condition but can't display a message on the
LCD. Some portion of the chain of devices used to drive the LCD may be
defective since an error message is not displayed.
1.
See "Power-Up Error Messages and LED Codes" on page 3-3 for definitions and
solutions.
General Troubleshooting 4-61