Expected Life of Components The following table shows the expected life of certain components in the printer. To order parts, see Chapter 8. Table 4-2. Life of Components for the HP LaserJet 4000 and 4050 Series Printer No. Part name Part No.
Quantity Expected Life 1 Tray 1 Pickup Roller RG5-3718-000CN 1 100,000 pages 2 Tray Feed Roller RF5-2490-000CN 1 200,000 pages 3 Tray Separation Roller RF5-2490-000CN 1 200,000 pages 4 Tray 1 Separation Pad RG5-2655-000CN (Tray 1 Pickup Assembly) 1 200,000 pages 5 Tray 1 Pickup Solenoid RH7-5172-000CN 1 200,000 pages 6 Fuser 100-127V 220-240V C4118-69003 C4118-69004 1 1 200,000 pages 200,000 pages 7 Transfer Charging Roller RG5-4283-000CN 1 200,000 pages 8 Cooling Fan RH7-1335-000CN 1 25,000 hours 9 Duplexer Exhaust Fan RH7-1361-000CN 1 25,000 hours 4-6 Printer Maintenance