7-4 Phaser 8400/8500/8550/8560 Color Printer Service ManualCleaning and MaintenanceTrays 2~4Use off-the-shelf clear packaging tape and follow the procedures listed belowto clean the pick roller and pick pad for Trays 2~4. This cleaning method hasbeen found to be extremely effective for removing debris. Isopropyl alcohol,while effective, tends to smear the debris, rather than remove it.1. Remove the affected tray.2. Peel off a strip of tape. Stretch the tape across the table with the stickyside up. Fasten it to the table at both ends.3. Remove the roller.4. Roll the roller across the tape to remove the debris from the roller.5. Locate a clean section of the tape, rub it onto the surface of the pick padfor the paper tray, then remove it.6. Replace the roller.7. Reinsert the tray.Drum Temperature SensorWith a dry swab, clean any buildup around the Drum Temperature Sensor.You can access the sensor through the opened Exit Cover. Also, make surethe sensor rides evenly on the Drum surface. You can remove the sensor, ifnecessary, to clean under it.MaintenanceDrum Maintenance KitThe printer uses the Drum Maintenance Kit as part of its self-maintenanceroutine to coat the print Drum with oil before each print.Drum Maintenance Kit LifeStandard/StartupMaintenance Kit LifeP/N 108R00602 (8400)P/N 108R00675 (8500/8550/8560)Any Coverage* 10,000 cycles for black and white, 5500 cycles forcolor (8500/8550).10,000 cycles regardless of colors used (8400/8560).ExtendedMaintenance Kit LifeP/N 108R00603 (8400)P/N 108R00676 (8550/8560)0 - 20% Coverage* 30,00020 - 100% Coverage* 20,000-30,000*The image coverage is determined by counting the number of pixels imaged.
