Xerox WorkCentre Pro 423, Service Manual

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03/02 Level 2 Troubleshooting
WorkCentre Pro 423/428 2-129 CHAPTER 2 TROUBLESHOOTING
F7-3 FINISHER Interlock Open (BSD 12.2)
Close the TOP COVER.
Does the error display disappear?
Y
N
Remove the FRONT COVER. Is the TOP COVER
SENSOR actuator installed correctly?
Y
N
Reinstall the actuator.
Is the TOP COVER latched securely?
Y
N
Check the latch mechanism.
Perform the General-purpose transmittion sensor FIP.
End of work.
F8-1 FINISHER Interlock Open (BSD 12.2)
Install the FINISHER.
Does the error display disappear?
Y
N
Is the FINISHER latched securely with the main unit?
Y
N
Reinstall the FINISHER.
Remove the FRONT COVER. Is the DOCKING SENSOR
actuator installed correctly?
Y
N
Reinstall the actuator.
Is the main unit actuator normal?
Y
N
Replace the LATCH STOPPER. (PL13.1)
Perform the General-purpose transmittion sensor FIP.
End of work.
J1-2 No Toner (BSD 9.2)
Is the v3.3 VDC between the MCU/SW PWB J462-19(+)
and GND(-)?
Y N
Replace the MCU/SW PWB. (PL7.2)
Is the v24 VDC between the MCU/SW PWB J462-17(+)
and GND(-)?
Y
N
Is the v24 VDC between the MCU/SW PWB
J400-1(+) and GND(-)?
Y
N
P24VDC FIP.
Replace the MCU/SW PWB. (PL7.2)
Is the v24 VDC between the TONER EMPTY SENSOR
J141-3(+) and J141-2(-)?
Y
N
Check between the TONER EMPTY SENSOR J141 and
MCU/SW PWB J462 for an open wire or poor contact.
Is the v3.3 VDC between TONER EMPTY SENSOR
J141-1(+) and GND(-)?
Y
N
Check between the TONER EMPTY SENSOR J141 and
MCU/SW PWB J462 for an open wire or poor contact.
Replace the TONER EMPTY SENSOR. (PL5.1)
J3-1 Drum/Toner Cartridge Loading Error (BSD 9.1)
Extract and insert the CRU.
Does the error display disappear?
Y
N
Check the CRU drawer connector P/J606 for a broken or
bent pin.
Y
N
Repair the problem.
Is the voltage 0 VDC between the MCU/SW PWB
J461-1(+) and GND(-)?
Y
N
Is the voltage 0 VDC between the MCU/SW PWB
J461-5(+) and GND(-)?
Y
N
Replace the MCU/SW PWB. (PL7.2)
Is the voltage 0 VDC between the CRU drawer
connector J606-2(+) and GND(-)?
Y
N
Check between the CRU drawer connector
J606-2 and MCU/SW PWB J461-5 for an
open wire or poor contact.
Is the voltage 0 VDC between the CRU drawer
connector J606-6(+) and GND(-)?
Y
N
Replace the CRU. (PL5.1)
Check between the CRU drawer connector
J606-6 and MCU/SW PWB J461-1 for an open
wire or poor contact.
Replace the MCU/SW PWB. (PL7.2)
End of work.
J6-1 CRU End of Life (BSD 9.1)
If CRU replacement does not clear the problem, replace the
MCU/ SW PWB.(PL7.2)
J8-1 CRUM Access Error (BSD 9.1)
Check the CRU drawer connector P/J606 for a broken or bent
pin.
If no problem is found, replace the CRU(PL5.1) and MCU/SW
PWB(PL7.2) in this order.