Xerox WorkCentre 5020 Service Documentation page 10

1.2 Service Call Procedure
1.2.1 Initial Actions
1. Ask the operator(s) about the machine's condition.
2. Record the billing meter readings.
3. Inspect any faulty copies, then check the machine.
4. Check the Service Log.
1.2.2 Actions to Take During UM (Unscheduled Maintenance)
1. Perform the service flow in Section 2 Status Indicator RAPs.
2. Perform the applicable RAP in Section 2 Status Indicator RAPs.
If there are no applicable RAPs, troubleshoot by referring to the BSD in Section 7 Wiring
Data.
3. Check the copy quality.
Make several copies using the Test Pattern (499T247), then check the quality.
4. Look at the last 20 error codes in order to understand the machine status.
• Enter Diagnostic Mode. Enter [40-01] (Display Error History How to Enter the Diag-
nostic Mode).
• When the last error code is displayed, press the [Start] key to return to the Function
input screen.
• Pressing the [Stop] key during the display will stop it and return you to the Function
input screen.
5. Repair all the secondary problems.
6. Perform TRIM servicing.
1.2.3 Actions to Take During SM (Scheduled Maintenance)
1. Check the copy quality.
Make several copies using the Test Pattern (499T247), then check the quality.
2. Look at the last 20 error codes in order to understand the machine status.
• Enter Diagnostic Mode. Enter [40-01] (Display Error History How to Enter the Diag-
nostic Mode).
• When the last error code is displayed, press the [Start] key to return to the Function
input screen.
• Pressing the [Stop] key during the display will stop it and return you to the Function
input screen.
3. Perform TRIM servicing.
1.2.4 Final Actions
1. Check overall machine operation/features.
2. Check the machine exterior and consumables.
3. Train the operator as required.
4. Complete the Service Log and Service Report.
5. Keep the copy samples with the Service Log.
Service Call Procedures
1.2, 1.3
1.3 Service Call Details
1.3.1 Initial Actions
1. Ask the operator(s) about the machine's condition.
• Frequency and location of recent paper jams
• Copy quality
2. Record the billing meter readings.
3. Inspect any faulty copies, then check the machine.
4. Check the copy sample and the Service Log from the last call.
1.3.2 Checking Reproducibility of Problem
1. Perform the service flow in Section 2 Status Indicator RAPs.
2. Perform the applicable RAP in Section 2 Status Indicator RAPs.
3. If there are no applicable RAPs, troubleshoot by referring to the BSD in Section 7 Wiring
Data.
1.3.3 Checking Copy Quality
1. Make several copies using the Test Pattern (499T247), then check the quality.
2. If there is a problem in copy quality, perform the applicable RAP in Section 3 Image Qual-
ity.
1.3.4 TRIM Servicing
Perform TRIM servicing during the maintenance call.
1. Perform the necessary TRIM items using the TRIM Checklist.
2. Check for parts that require periodic cleaning/replacement by referring to the TRIM
Checklist and the Periodic Replacement Parts/Consumables List. Clean them if neces-
sary. If replaced, always clear the counters of the corresponding items in the Chain Func.
July, 2007
1-4
Initial Issue
WorkCentre 5020