HP LaserJet 6p/mp Service Manual - Page 53

Cleaning the printer To maintain the print quality, thoroughly clean the printer: l Every time you change the toner cartridge. l After printing approximately 2,500 pages. l Whenever print quality problems occur. Clean the outside of the printer with a lightly water-dampened cloth. Clean the inside with only a dry, lint-free cloth. Observe the warnings and cautions below. WARNING! Before you begin these steps, unplug the printer to avoid shock hazard. When cleaning around the front door area, avoid touching the heating element. It may be HOT. (For heating element location, see Figure 6-14.) Cleaning printer components CAUTION To avoid permanent damage to the toner cartridge, do not use ammonia-based cleaners on or around the printer. Do not touch the transfer roller with your fingers. Contaminants on the roller can cause print quality problems. Table 4-2 Cleaning printer components Component Cleaning Method/Notes Outside Covers Use a water-dampened cloth. Do not use solvents or ammonia-based cleaners. Inside General Use a dry, lint free cloth. Remove all dust, spilled toner, and paper particles. Exit Roller Use a water-dampened lint-free cloth.(For location, see Figure 6-8.) Fuser Exit Roller Use a water-dampened lint-free cloth. (For location, see Figure 6-18.) Pickup Roller Use a lint-free cloth dampened with isopropyl alcohol. (For location, see Figure 6-25.) Pressure Roller Use a dry lint-free cloth. (For location, see Figure 6-16.) Transfer Roller Use a dry, lint-free cloth. DO NOT TOUCH with your fingers. (For location, see Figure 6-30.) Separation Pad Use a dry lint-free cloth. (For location, see Figure 6-31.) Delivery Assembly Use a water-dampened lint-free cloth. (For location, see Figure 6-10.) Static Eliminator Teeth Use compressed air. (See Figure 4-2 on the following page for static eliminator teeth location.) EN Cleaning the printer 51