Servicing Instructions - Xerox phaser 6250 Service Manual

Servicing Instructions

The Service Flowchart below is an overview of the path a service technician should
take when servicing the printer and printer optional equipment.
Step 1 - Identify the Problem
1. Verify the reported problem does exist. Verify failure symptoms/behavior/noises
with cusotmer/end user.
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. Print a Printer Status Page, if the printer is able to print.
8. View the fault history under the Service Tools Menu
9. 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. Switch OFF printer power.
2. Disconnect the AC power cord from the wall outlet.
3. Verify the power cord is free from damage and is connected properly.
4. Remove the Imaging Unit and protect it from light.
5. Inspect the printer interior and remove any foreign matter such as paper clips,
staples, pieces of paper, dust or loose toner.
■ 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.
6. Clean all rubber rollers with a lint-free cloth, dampened slightly with cold water.
7. Inspect the interior of the printer for damaged wires, loose connections, toner
leakage, and damaged or obviously worn parts.
8. If a toner cartridge appears obviously damaged or empty, replace with a new one.
Step 3 - Find the Cause of the Problem
1. Use the Error Messages and Codes troubleshooting procedures to find the cause
of the problem.
2. Use Diagnostics to check printer and optional components.
3. Use the Wiring Diagrams and Plug/Jack Locator to locate test points.
4. Take voltage readings at various test points as instructed in the appropriate
troubleshooting procedure.
5. Use the "Print Engine Test Print" on page 5-9, to isolate problems to the Engine or
the Image Processor Board.
Step 4 - Correct the Problem
1. Use the Parts List to locate a part number.
2. Use the Disassembly Procedures to replace the part.
Step 5 - Final Check
1. Test the printer to be sure you have corrected the initial problem and verify there
are no additional problems present.
Error Messages and Codes
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