3-4 Phaser 3250 Laser Printer Service ManualError Messages and CodesServicing InstructionsThe service checklist below is an overview of the path a service technicianshould take when servicing the printer and printer optional equipment.Step 1: Identify the Problem1. 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. View the System Error and Paper Jam Error on the Event Log.8. Verify the AC input power supply is within proper specifications bymeasuring the voltage at the electric outlet while the printer is running.Step 2: Inspect and Clean the Printer1. 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 connectedproperly.4. Remove the Print Cartridge and protect it from light.5. Remove the Transfer Roller.6. Inspect the printer interior and remove any debris such as paper clips,staples, pieces of paper, dust, or loose toner.7. Do not use solvents or chemical cleaners to clean the printer interior.8. Do not use any type of oil or lubricant on the printer parts.9. Use only an approved toner vacuum.10.Clean all rubber rollers with a lint-free cloth, dampened slightly with coldwater and mild detergent.11.Inspect the interior of the printer for damaged wires, loose connections,toner leakage, and damaged or obviously worn parts.12.If the Print Cartridge appears damaged, replace with new one.Step 3: Find the Cause of the Problem1. Use the Error Messages and Codes and troubleshooting procedures to findthe cause of the problem.2. Use Service Diagnostics to check the printer and optional components.3. Use the Wiring Diagrams and Plug/Jack Locator to locate test points.4. Take voltage readings as instructed in the appropriate troubleshootingprocedure.Step 4: Correct the Problem1. Use the Parts List to locate a part number.2. Use the Disassembly procedures to replace the part.Step 5: Final Checkout1. Test the printer to be sure you have corrected the initial problem and thereare no additional problems present.
