HP LaserJet 6p/mp Service Manual - Page 50
Life expectancy of consumables, Table 4-1, Description, Estimated Life, s, Remarks
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Life expectancy of consumables Always inspect the components listed in Table 4-1 for wear when servicing the printer. Replace these components as needed, based on printer failures or wear, not strictly on usage. Table 4-1 Life expectancy of consumables Description Toner cartridge (user replaceable) Estimated Life Remarks (pages) 2,5001 When print becomes faint, shake cartridge to distribute remaining toner. Transfer roller 50,000 May affect print quality and/or paper movement. Paper pickup assembly 50,000 Look for glazing and/or cracks. Separation pad and sub pads 50,000 May affect paper movement. Heating Element 100-120 V, 50/60 Hz 220-240 V, 50 Hz 50,000 May affect print quality and/or paper movement. Look for marks on pressure roller or upper Teflon sleeve. Pressure Roller 1. The estimated toner cartridge life is based on Letter or A4 size paper with an average of five percent toner coverage and a medium density setting. Toner cartridge life can be extended further by conserving toner using the printer's EconoMode feature. 48 Printer maintenance EN