WorkCentre Pro 423/428 2-124 CHAPTER 2 TROUBLESHOOTING
03/02 Level 2 Troubleshooting
C8-2 Paper Remaining at FEED Section (BSD 8.4)
Chain Link Codes for Check
l [Chain8 Func6] T/A ROLL2 SENSOR
Check Items
l Supply voltage drop at customer
l Check the circuit between the T/A ROLL2 SENSOR and
MCU/SW PWB. If no problem is found, replace the T/A
ROLL2 SENSOR. (PL2.5)
C8-3 Paper Remaining at FEED Section (BSD 8.4)
Chain Link Codes for Check
[Chain8 Func7] T/A ROLL3 SENSOR
Check Items
l Supply voltage drop at customer
l Check the circuit between the T/A ROLL3 SENSOR and
MCU/SW PWB. If no problem is found, replace the T/A
ROLL3 SENSOR. (PL9.4)
C8-6 Paper Remaining at DUPLEX Section (BSD
10.4)
Chain Link Codes for Check
l [Chain8 Func31] DUPLEX PATH SENSOR
Check Items
l Supply voltage drop at customer
l Check the circuit between the DUPLEX SENSOR and
MCU/SW PWB. If no problem is found, replace the
DUPLEX PATH SENSOR. (PL12.1)
C9-2 MSI Misfeed (BSD 8.2 8.4)
Chain Link Codes for Check
l [Chain4 Func1] MAIN MOTOR
l [Chain8 Func6] T/A ROLL2 SENSOR
l [Chain8 Func17] MSI FEED SOLENOID
Check Items
l FFED ROLL rotation error
l MAIN MOTOR defect
l MSI FEED SOLENOID defect
l T/A ROLL2 SENSOR defect
l SENSOR actuator broken or missing
l Transport error due to foreign matter on paper path
l ROLL dirty or worn
C9-3 MSI Misfeed (BSD 8.4)
Chain Link Codes for Check
l [Chain4 Func1] MAIN MOTOR
l [Chain8 Func5] REGI SENSOR
Check Items
l MAIN MOTOR defect
l FEED ROLL rotation error
l REGI SENSOR defect
l SENSOR actuator broken or missing
l Transport error due to foreign matter on paper path
l ROLL dirty or worn
A1-1 DADF Document Jam (Intake Section) (BSD
5.1 5.2 5.3)
Chain Link Codes for Check
l [Chain5 Func67] DADF FEED IN SENSOR
Check Items
l Supply voltage drop at customer
l Check the circuit between the FEED IN SENSOR and DADF
CONT PWB. If no problem is found, replace the FEED IN
SENSOR. (PL10.4)
A1-2 DADF Document Jam (Intake Section) (BSD
5.1 5.2 5.3)
Chain Link Codes for Check
l [Chain5 Func56] DADF FEED IN/REGI MOTOR
l [Chain5 Func67] DADF FEED IN SENSOR
Check Items
l FEED IN SENSOR defect
l FEED IN/REGI MOTOR defect
l PICK UP ROLL rotation error
l BELT missing or cut
l SENSOR actuator broken or missing
l ROLL dirty or worn
A1-3 DADF Document Jam (Intake Section) (BSD
5.1)
Chain Link Codes for Check
l [Chain5 Func67] DADF FEED IN SENSOR
Check Items
l FEED IN SENSOR defect
l REGI ROLL rotation error
l BELT missing or cut
l SENSOR actuator broken or missing
l ROLL dirty or worn
l Transport error due to foreign matter on paper path
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