Error Troubleshooting
Phaser 7100 Service Manual Xerox Internal Use Only2-2
Introduction
This chapter covers the general startup and Service Diagnostics used to test system operation and
troubleshooting procedures to correct problems. Also discussed are error messages and numeric codes
displayed on the Control Panel or listed on the Error History Report.
The printer tracks and reports errors in a number of ways. The two types of error reporting discussed in
this chapter include:
• Error messages and Chain Link codes display on the Control Panel
• Engine (fatal) and Jam Error logs display on the Control Panel or listed on the Error History Report
Troubleshooting print quality problems are covered in Chapter 3 Image Quality on page 3-1.
Servicing Instructions
The service checklist below is an overview of the path a service technician should take when servicing
the printer.
Step 1: Identify the Problem
1. Verify the reported problem does exist.
2. Check for any error codes and write them down.
3. Print normal customer prints and service test prints.
4. Make note of any print-quality problems in the test prints.
5. Make note of any mechanical or electrical abnormalities present.
6. Make note of any unusual noise or smell coming from the printer.
7. Verify the fault codes in the Error History, Failure Report, and Shutdown Report.
8. Verify the AC input power supply is within proper specifications by measuring the voltage at the
electric outlet while the printer is running.
Step 2: Inspect and Clean the Printer
1. Turn the printer power Off.
2. Disconnect the AC power cord from the wall outlet.
3. Verify the power cord is free from damage or short circuit and is connected properly.
4. Remove the Toner Cartridge.
5. Inspect the printer interior and remove any foreign matter such as paper clips, staples, pieces of
paper, dust, or loose toner.
6. Do not use solvents or chemical cleaners to clean the printer interior.
7. Do not use any type of oil or lubricant on printer parts.
8. Use only an approved toner vacuum.
9. Clean all rubber rollers with a lint-free cloth, dampened slightly with cold water and mild
detergent.
10. Inspect the interior of the printer for damaged wires, loose connections, toner leakage, and
damaged or obviously worn parts.
11. If the Toner Cartridge is damaged, replace with new one.
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