HP — Periodic inspection of parts

Service check points Periodic replacement parts are the parts that should be inspected and if required, replaced at regular intervals. Failure of these parts can seriously affect the printer’s performance. These parts should be inspected during a regular service visit near the end of the part’s expected life and replaced if found to be worn or damaged. Periodic inspection of parts The following parts should be inspected and, if required, replaced after approximately 150,000 pages of use:

 fuser assembly  transfer roller  separation pads (tray 1, tray 2, and tray 3)  pickup rollers (tray 1, tray 2, and tray 3)  output feed rollers (upper and lower)  transport belts and rollers See "Removal and replacement" in chapter 6 for procedures to remove and replace these parts. See "Parts and diagrams" in chapter 8 for the part numbers. Variables such as media, environment, and usage can cause premature wear of these parts. See "Media specifications" in chapter 2 for information about suitable media, environment, and usage conditions. 60 Chapter 4 Printer maintenance C7058-90936