Xerox 6250N Service Manual - Page 217

Service Preventive Maintenance Procedure Perform the following procedures whenever you check, service, or repair a printer. Cleaning the printer, as outlined in the following Steps, assures proper operation of the printer and reduces the probability of having to service the printer in the future. The frequency of use, Average Monthly Print Volume (AMPV), type of media printed on, and operating environemnt are factors in determining how critical cleaning the machine is and how often it is necessary. Record the number of sheets printed. Recommended Tools ■ Toner vacuum cleaner ■ Clean water ■ Clean, dry, lint-free cloth ■ Black, light protective bag Cleaning Caution Never apply alcohol or other chemicals to any parts in the printer. Never use a damp cloth to clean up toner. If you remove the Imaging Unit, place it in a light protective bag or otherwise protect it as exposure to light can quickly degrade performance and result in early failure. 1. Record number of sheets printed. 2. Print several sheets of paper to check for problems or defects. 3. Turn off the printer. 4. Remove the Toner Cartridges, Imaging Unit and both side covers before cleaning. 5. Remove the front cover and clean the Fuser Fan with a brush or dry cloth to remove excess dust. 6. Remove the rear cover and clean the Rear Fan with a brush or dry cloth to remove excess dust. 7. Ensure that all cover vents are clean and free of obstructions. 8. Remove any debris or foreign objects from the Transfer Roller, Fuser Assembly, Laser Unit and Imaging Unit. 9. Vacuum any loose toner from the interior of the printer using a Type II toner vacuum only. 10. Open the left side door and clean up any toner inside. 7-2 Phaser 6250 Color Laser Printer Service Manual