HP 3300mfp - Manual (Page 130)

128 9 Cleaning and maintenance EN
6 Position the new or cleaned part in the slot of the previous pickup
roller. See
Cleaning the pickup roller for instructions.
Note
Circular and rectangular pegs on each side prevent you from incorrectly
positioning the pickup roller.
7 Rotate the top of the new pickup roller away from you until both
sides snap into place.
Note
Touching the black sponge roller may damage the product.
8 Reinstall the print cartridge, and close the print cartridge door.
9 Plug the printer in to turn it back on. If you have a 220V product,
turn on the power switch.
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