HP 5 C3916A, C2021A, 5n C3952A manual Life Expectancy of Consumables, Selected Service Consumables

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		Selected Service Consumables
	DESCRIPTION		QTY	EST. LIFE	REMARKS
				(pages)
1.	Toner Cartridge		1	68001	When print becomes faint, shake
					cartridge to distribute remaining
					toner.
2.	MP (Tray 1) Pickup Roller		1	200,000	Replace roller and separation pad
	Assembly				together.
3.	PC (Tray 2) Pickup Roller		1	200,000	Look for glazing and cracks.
4.	Separation Pad		1	200,000	Look for glazing and grooves.
					Replace together with Pickup
					Rollers.
5.	Transfer Charging Roller		1	200,000	May affect print quality and/or
					paper jams.
6.	Fuser Assembly		1	200,000	May affect print quality and/or
	(115 V, 50/60 Hz)				paper jams. Look for marks on
					rollers.
	Fuser Assembly
	(220 V, 50 Hz)		1	200,000
7.	LC (Tray 3) Pickup Roller		1	200,000	Look for glazing and grooves.
					Replace the Separation Pad.
8.	Exhaust Fan		1	25,000 hrs.
Notes:
The 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.
		For part numbers of the components listed in
N o t e
		Table 4-1, see Chapter 8.

4-2 Preventive Maintenance