7-2 Phaser 6121MFP Service ManualCleaning and MaintenanceMaintenance SummaryPerform the following procedures whenever you check, service, or repair a printer.Cleaning the printer, as outlined in the following steps, assures proper operation ofthe printer and reduces the probability of having to service the printer in thefuture.The frequency of use, Average Monthly Print Volume (AMPV), type of mediaprinted on, and operating environment are factors in determining how criticalcleaning the machine is and how often it is necessary. Record the number ofsheets printed.Recommended Tools• Toner vacuum cleaner• Clean water• Clean, dry, lint-free cloth• Black light-protective bagCleaningPerform the following general cleaning steps as indicated by the printer’soperating environment.CautionNever apply alcohol or other chemicals to any parts of the printer. Never use adamp cloth to clean up toner. If you remove the Imaging Unit, place it in alight-protective bag or otherwise protect it as exposure to light can quicklydegrade 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 the printer power Off and disconnect the power cord.4. Remove the Imaging Unit, Fuser, Toner Cartridges, Left and Right Side Covers,and Rear Cover before cleaning.5. Clean the fans.6. Ensure that all cover vents are clean and free of obstructions.7. Remove any debris or foreign objects from the Fuser, Transfer Belt, ImagingUnit, and inside of the printer.8. Remove and clean the paper trays.9. Clean all rubber rollers with a lint-free cloth slightly dampened with cold water.