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4-62
WorkCentre C2424 Service Manual
Exit Module (MEP) is Malfunctioning
1.
The exit module elevator does not raise and lower correctly.
a.
Is there scanner power supply working properly? Lift the document feeder
and observe the scanner lamps. If the lamps are on and the scanhead moves,
the scanner power supply is sup24 volts.
b.
Check the exit module board LED’s, see "Scanner/Exit Module Power
Supply and MEP (Exit Module) Board" on page 10-8. Replace the exit
module board if the LED’s do not light up.
c.
Lift the control panel and check for proper movement of the exit module
elevator. Inspect the exit module for defective components. Replace any
defective components or the exit module assembly.
System Fails to Power-Up
PS, PE, and the 3.3 V indicator LEDs are not illuminated
1.
System is not receiving proper AC.
Caution
Use caution with hazardous voltages when diagnosing AC problems.
The 3.3 V LED is located INSIDE the electronics module and must be
observed through the vent holes close to the AC power switch, see the
illustration on page 4-71.
a.
Inspect the power cord.
b.
Verify AC outlet voltage and current capacities are within specifications.
c.
If necessary, move the system to a different outlet and retest.
2.
Disconnect the scanner assembly.
3.
Transient on AC line tripped protective circuitry in system power supply.
a.
Cycle power to system to reset protective circuits in power supply.
4.
Short circuit on 3.3 V power supply within the electronics module. ESD damage
to the system may occur if static electricity is discharged to system electronics
a.
With power cord connected, touch the metal electronics module to discharge
any static electricity.
b.
Turn off the 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.
c.
Unplug power cord and remove system covers, see "Covers" on page 8-8.
Caution
Use caution around motors, pulleys, and live AC connections when working
with the system covers off. Disconnect the scanner cable from the electronics
module and power on the system.
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Страница 315: ...Service Parts Disassembly 8 5 DADF Front Cover PL 1 13 1 Remove 3 screws securing the cover 2 Lift and remove s2424 241...
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Страница 379: ...9 Section Parts Lists In this chapter Serial Number Format Using the Parts List Xerox Supplies...
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