HP Color LaserJet 9500 Service Manual - Page 106
Cleaning procedures, Cleaning the post charger, Cleaning the separation guide, feed guide
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Cleaning procedures CAUTION Some print-quality problems can be resolved by cleaning certain printer components rather than replacing a printer part. Cleaning the post charger 1 Open the right side door. 2 Locate the blue handle of the post charger cleaner on the front left of the image transfer belt. 3 Gently slide the post charger cleaner to the right until it stops. The spring should be compressed. 4 Slide the cleaner to the left back into place. 5 Repeat steps 3 and 4 to clean the post charger a second time. 6 Close the upper right door. If the door does not close, make sure that the blue handle of the post charger cleaner is positioned at the far left of the image transfer belt. Cleaning the separation guide, feed guide, and front fuser guide Clean these guides with lint-free cloth. If any dirt or dust cannot be removed, use alcohol on the lintfree cloth. Cleaning the fuser input 1 Open the front doors of the printer, and then swing the large green lever down. 2 On the front of the printer, locate the blue transfer-roller handle beneath the large green lever. Grasp the handle and pull the roller out of the printer. Set the roller on a clean, flat surface. Do not touch the black foam roller, and be careful not to scratch the underside of the image transfer belt as you remove the roller from the printer. 3 Remove the green tongs and blue brush mounted on the inside of the right front door. 4 Slide the open end of the brush onto the tongs until it snaps into place. 5 Hold the tongs so that the brush is at a 45-degree angle and align the brush with the transfer roller slot. Insert the brush into the slot. Figure 17. CAUTION Cleaning the fuser input (step 5) 6 Slide the brush into the transfer roller slot until it stops, and then slide the brush toward you until the brush is almost out of the transfer roller slot. Do not pull up or sideways on the brush. Push and pull the brush straight in and out of the printer. 7 Repeat step 6 three times, and then remove the brush from the printer. 104 Chapter 4 Product maintenance ENWW