Xerox WorkCentre Pro 423 - Precautions and Limitations; General Precautions

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?
YN
Remove the FRONT COVER. Is the TOP COVER
SENSOR actuator installed correctly?
YN
Reinstall the actuator.
Is the TOP COVER latched securely?
YN
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?
YN
Is the FINISHER latched securely with the main unit?
YN
Reinstall the FINISHER.
Remove the FRONT COVER. Is the DOCKING SENSOR
actuator installed correctly?
YN
Reinstall the actuator.
Is the main unit actuator normal?
YN
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 voltage +3.3 VDC between the MCU/SW PWB J462-19(+)
and GND(-)?
YN
Replace the MCU/SW PWB. (PL7.2)
Is the voltage +24 VDC between the MCU/SW PWB J462-17(+)
and GND(-)?
YN
Is the voltage +24 VDC between the MCU/SW PWB
J400-1(+) and GND(-)?
YN
Perform +24VDC FIP.
Replace the MCU/SW PWB. (PL7.2)
Is the voltage +24 VDC between the TONER EMPTY SENSOR
J141-3(+) and J141-2(-)?
YN
Check between the TONER EMPTY SENSOR J141 and
MCU/SW PWB J462 for an open wire or poor contact.
Is the voltage +3.3 VDC between TONER EMPTY SENSOR
J141-1(+) and GND(-)?
YN
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?
YN
Check the CRU drawer connector P/J606 for a broken or
bent pin.
YN
Repair the problem.
Is the voltage 0 VDC between the MCU/SW PWB
J461-1(+) and GND(-)?
YN
Is the voltage 0 VDC between the MCU/SW PWB
J461-5(+) and GND(-)?
YN
Replace the MCU/SW PWB. (PL7.2)
Is the voltage 0 VDC between the CRU drawer
connector J606-2(+) and GND(-)?
YN
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(-)?
YN
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.