Sanyo XW250 Instruction Manual, PLC-XW200 XW250 - Page 59

Maintenance and Cleaning Cleaning the Filters Filter prevents dust from accumulating on the optical elements inside the projector. Should the filters become clogged with dust particles, it will reduce cooling fans' effectiveness and may result in internal heat buildup and adversely affect the life of the projector. If a "Filter warning" icon appears on the screen, clean the filters immediately. Clean the filters by following the steps below. 1 Turn off the projector, and unplug the AC power cord from the AC outlet. 2 Remove the front air filter by pulling the latch horizontally. Remove the back air filter by pulling the latch horizontally and then remove it leftward. 3 Clean the air filters with a brush or rinse them softly. Air filter (front) Pull horizontally and remove. 4 When cleaning the air filters by rinsing, dry it well. Replace the air filters properly. Make sure that the air filters are fully inserted. CAUTION Do not operate the projector with the filters removed. Dust may accumulate on the optical elements degrading picture quality. Do not put anything into the air vents. Doing so may result in malfunction of the projector. RECOMMENDATION We recommend avoiding dusty/smoky environments when you operate the projector. Usage in these environments may cause poor image quality. When using the projector under dusty or smoky conditions, dust may accumulate on a lens, LCD panels, or optical elements inside the projector degrading the quality of a projected image. When the symptoms above are noticed, contact your authorized dealer or service station for proper cleaning. Note: Please be sure to fit this edge when inserting this filter. Air filter (back) Pull horizontally and then remove it leftward. Filter counter Resetting the Filter Counter Be sure to reset the Filter counter after cleaning or replacing the filters. 1 Press the MENU button to display the On-Screen Menu. Use the Point ▲▼ buttons to select Setting and then press the Point ► or the SELECT button. 2 Use the Point ▲▼ buttons to select Filter counter and then press the Point ► or the SELECT button. Use the Point ▲▼buttons to select Filter counter reset and then press the SELECT button. Filter counter Reset? appears. Select Yes to continue. 3 Another confirmation dialog box appears, select Yes to reset the Filter counter. Filter counter Reset? appears. Select Yes, then another confirmation box appears. Select Yes again to reset the Filter counter. 59