Xerox WorkCentre 5022 Service Manual page 27

2.1.1 How to Troubleshoot
Level 1 Troubleshooting:
• Level 1 Troubleshooting (Level 1 FIP) is the first step to diagnose a problem. Level 1 FIP
asks you whether any Fault Code and other problematic symptoms exist, guiding you to
Level 2 Troubleshooting or BSD to resolve the problem.
Level 2 Troubleshooting:
• Level 2 Troubleshooting is a diagnostic procedure of separating a problem by Fault Code,
document/paper jam and other problematic symptoms. Performing a FIP or an appropri-
ate procedure in the Check Procedure enables you to discover causes of a problem in a
short period of time.
How to proceed with troubleshooting and Cautions:
• First, perform Level 1 FIP to categorize a problem. Second, proceed to an appropriate
Level 2 FIP or BSD to resolve the problem. To find the causes of the problem using FIP or
Check Procedure etc., thoroughly read the instructions and follow the procedure properly.
Sometimes, when two or more causes exist, they cannot be identified at once, so the
same FIP should be repeated. In this case, pay attention to a different judgment made in
the process of the same FIP.
• For source voltage related problems, such as being unable to power up the machine,
refer to 'Other Failure FIP' to proceed with the troubleshooting.
• The Check Procedure for general electrical parts (Motor, Solenoid/Clutch, Switch, Sensor
etc.) may not be shown in each troubleshooting for some cases. In such cases, proceed
to troubleshoot by referring to 'Generic FIP'.
Version 1.0
WC 5022/5024
2.1.3 Glossary
The following terminology are used throughout the troubleshooting section. The meaning of
these terminology must be fully understood when performing problem analysis.
Common terms:
• Fault Code
This 6-digit code appears when the machine has found problems.
• Actuate (Deactuate)
To mechanically push (release) the Actuator of the switch or the connected mechanical
linkage.
• Block
To place a sheet of document or paper on the photo sensor surface for detection.
• Check
To visually check for operation failure of parts such as relay or mechanical linkage, and
the failure status of the parts.
• Enter the CE Mode
To enter the CE Mode by following the procedure described in 'How to Enter/Exit the CE
Mode' of Chapter 6.
• Check the connection for short circuit
Turn the power OFF. Measure the resistance between the wire and the frame using the
ohm range of a tester.
• Check the connection for open circuit
Turn the power OFF. Measure the resistance between both ends of the wire using the
ohm range of a tester.
• Input Check [xxx-xxx]/Output Check [xxx-xxx]
To enter the Component Check by following the procedure described in 'How to Use the
CE Mode' of Chapter 6.
• Analog Monitor [xxx-xxx]
To enter the Analog Monitor by following the procedure described in 'How to Use the CE
Mode' of Chapter 6.
• Check the voltage level
Table 1
Voltage Level Range
+3.3VDC (H) +3.2 to +3.6VDC
(L) 0.0 to +1.0VDC
+5VDC (H) +4.8 to +5.4VDC
(L) 0.0 to +1.0VDC
+24VDC (H) +23.3 to +25.7VDC
(L) 0.0 to +3.0VDC
• PL 4.2
Refer to PL 4.2 in Chapter 5 Parts List.
06/2014
2-5
Status Indicator RAPs
2.1.1 How to Troubleshoot