Fujitsu T4310 T4310 User's Guide (English/French) - Page 127

Cleaning the dust filter Your LifeBook is equipped with fans to make air flow inside by pulling in outside air to cool the inside of the system. Depending on the environment in which the system is used, dust and dirt may be pulled in along with the air. Accumulated dust and dirt could impair the function of the system. Dust Filter Figure 50. Removing/installing the dust filter • REMOVE AC ADAPTER: BEFORE REMOVING THE FILTER, TURN OFF THE SYSTEM AND PERIPHERALS AND DISCONNECT THE AC ADAPTER. • CLEANING THE FILTER:  - DO NOT USE DETERGENT - AVOID DAMAGING THE FILTER; DAMAGE TO THE FILTER IS NOT COVERED BY WARRANTY. - USE PLASTIC TOOLS TO CLEAN THE FILTER. METAL OR WOODEN TOOLS COULD DAMAGE THE FILTER. • ESD: BEFORE CLEANING THE FILTER, TOUCH A METAL OBJECT TO DISCHARGE STATIC ELECTRICITY. • ALWAYS BE SURE THE DUST FILTER IS INSTALLED WHEN RUNNING YOUR SYSTEM. NOT USING THE FILTER COULD CAUSE CONTAMINATION AND POSSIBLE DAMAGE TO THE SYSTEM. 1 Turn off your computer and disconnect the AC adapter. 2 Close the display panel and turn the system upside down. 3 Remove the dust filter by pressing the latch towards the filter and lifting it out (Figure 50). 4 Carefully clean the dust filter and the air-cooling duct. 5 Put back the dust filter by inserting the end without latch first and pushing in the filter until it latches. 126 - Caring for your LifeBook Tablet PC