HP LaserJet 5p/mp Service Manual - Page 143

HP LaserJet 5P/5MP, 6P/6MP Printer Service Supplement Life Expectancy of Consumables Life Expectancy of Consumables Always inspect the components listed in the following table for wear when servicing the printer. Replace these components as needed, based on printer failures or wear, not strictly on usage. Table 3. Life Expectancy of Consumables DESCRIPTION 1. Toner Cartridge 2. Tray 1 Pickup Roller QTY EST. LIFE (pages) REMARKS 1 40001 When print becomes faint, shake cartridge to distribute remaining toner. 1 100,000 Replace roller and separation pad together. 3. Tray 2 Pickup Roller 1 100,000 Look for glazing and cracks. 4. Separation Pad 5. Transfer Charging Roller 1 100,000 1 100,000 Look for glazing and grooves. Replace together with Pickup Roller. May affect print quality and/or paper jams. 6. Fuser Assembly (115 V, 50/60 Hz) Fuser Assembly (220 V, 50 Hz) 7. Exhaust Fan 1 100,000 1 100,000 May affect print quality and/or paper jams. Look for marks on rollers. 1 25,000 hrs. 1The estimated Toner Cartridge life is based on A4 or letter size prints with an average of 5% toner coverage, and with the density setting at 3. 40