7-2 Phaser 4500/4510 Service ManualCleaning and MaintenanceService Preventive Maintenance ProcedurePerform the following procedures whenever you check, service, or repair aprinter. Cleaning the printer, as outlined in the following steps, assures properoperation of the printer and reduces the probability of having to service theprinter in the future.The frequency of use and the type of paper a customer prints on determineshow critical and how often cleaning the machine is necessary.Recommended Tools■ Toner vacuum cleaner■ Clean water■ Clean, dry, lint-free cloth■ Black light-protective bag■ #1 Phillips or Posidrive screwdriver with tip at least 1.5" long and less than1/4" in diameter■ Small slotted screwdriver■ Diagonal cutters (for tie wraps)■ Spare cable tie wrapsCleaningCautionNever apply alcohol to any parts in the printer.If you remove the print cartridge, place it in a light protective bag.NoteNever use a damp cloth to clean up toner.1. Record number of sheets printed.2. Print several sheets of paper to check for problems or defects.3. Turn off the printer and disconnect the power cord.4. Remove the rear cover and clean the Fan with a brush or dry cloth toremove excess dust.5. Remove any debris or foreign objects from the transfer roller, fuserassembly, laser unit assembly, and paper path.6. Vacuum out any loose toner from the interior of the printer with a Type IItoner vacuum only.7. Remove and clean the paper trays.8. Clean feed rollers with a lint-free cloth lightly dampened with water.