Xerox PHASER 3500, Руководство по обслуживанию

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Service Call Procedures
Phaser® 3500 Laser Printer Service Manual
1-2
Servicing Instructions
The service flowchart is an overview of the path a service technician should take, using this
manual, to service the print engine and options.
Step 1: Identify the Problem
1. Verify the problem reported and check for any error codes and write them down.
2. Print normal customer prints and service test prints and look for any of the following:
■ any image quality problems in the test prints.
■
any mechanical or electrical abnormalities present.
■ any unusual noise or smell coming from the printer.
3. View the fault and jam histories and look at the total print count for the printer.
4. 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
5.
Switch OFF printer power and disconnect the AC power cord from the wall outlet.
6. Verify the power cord is free from damage or short circuit and is connected properly.
7. Remove the Print Cartridge and protect it from light, then inspect the printer interior
and remove any foreign matter, obstructions, or loose toner.
8. Inspect the interior of the printer for damaged wires, loose connections, toner leakage,
and damaged or obviously worn parts.
■ Do not use solvents or chemical cleaners to clean the printer interior.
■ Do not use any type of oil or lubricant on printer parts.
■ Use only an approved toner vacuum.
9. Clean all rubber rollers with a lint-free cloth, dampened slightly with cold water.
10. Replace any service items that have reached their 150,000 end-of-life.
Step 3: Find the Cause of the Problem
11. Use the Repair Analysis Procedures to find the cause of the problem.
12. Use Diagnostics to check printer and optional components.
13.
Use the Wiring Diagrams to locate test points.
14. Take voltage readings at various test points as instructed in the appropriate
troubleshooting procedure.
Step 4: Correct the Problem
15. Use the Parts List to locate a part number.
16. Use the Repair and Adjustments Procedures to replace the part.
Step 5: Final Checkout
17. Test the printer to be sure you have corrected the initial problem and there are no
additional problems present.