HP LaserJet 4000 Service Manual - Page 72

Transfer Roller The Transfer Roller is the black conductive sponge-rubber roller located inside the printer. Use the gloves provided when replacing the Transfer Roller. To remove and replace the roller, follow the steps below. Caution Do not attempt to clean or re-use the Transfer Roller. Removal 1. Turn OFF and unplug the printer. 2. Remove the paper trays. 3. Open the printer's Top Cover. 4. Remove the plastic retaining clip (callout 1 in Figure 4-5), by pulling up on its rear-most edge. 5. Hold the Transfer Roller in place (with a gloved hand) and slide the bushing (callout 2 in Figure 4-5), to the right so that it separates from the Roller's Shaft. For replacement, observe how the location pin fits into the slot of the Left Drive Gear. 6. Remove the Transfer Roller by lifting its right end up and out. 7. Discard the used roller. J Figure 4-5. Removing the Transfer Roller Printer Maintenance: USER MAINTENANCE 4-7