Before performing service Remove all media. Unplug the power cable. Place the product on an ESD mat. Remove the main input tray. Remove the print cartridge (see page 110). Note For service purposes, the upper part of the HP LaserJet 3300mfp series is in effect “the scanner” and the lower part is “the printer.” Together they also act as a photocopier or fax machine, but the service description here is simplified by referring to copier or fax functionality only if specifically necessary. Print cartridge Note You will feel resistance when you open the print cartridge door. 1 Open the print cartridge door, which lifts the print cartridge toward you. 2 Remove the print cartridge.
CAUTION To prevent damage, do not expose the print cartridge to light. Cover it with a piece of paper. Figure 21. Removing the print cartridge 110 Chapter 5 - Removal and replacement EN