HP 3150 EN - Manual (Page 59)

EN Cleaning and maintaining the equipment 57
Cleaning and maintaining the equipment
WARNING! Before you perform these steps, unplug the printer to avoid shock
hazard.
To maintain quality, thoroughly clean the HP LaserJet 3100/3150
product:
● Any time a new toner cartridge is installed.
● After printing approximately 2,500 pages.
● Whenever print quality problems appear.
Clean the outside of the printer with a slightly water-dampened cloth.
Clean the inside with only a dry, lint-free cloth (such as lens tissues).
To avoid permanent damage to the toner cartridge, do not use
ammonia-based cleaners on or around the HP LaserJet 3100/3150
product.
WARNING! When cleaning around the printer door area, avoid touching the heating
element. It might be very hot and can cause burns.
CAUTION Do not touch the surface of the transfer roller. Contaminants on the
roller can cause print quality problems.
Note Be careful not to touch the glass surface of the image sensor. If you
inadvertently touch the glass, clean it according to the instructions on
the following pages.