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projector maintenance cleaning maintenance and cleaning information for sanyo plc xu300 sanyo plc xu73-74-75 sanyo plc xl50 promethean prm-10-20 and xe-40 epson si si epson s3 provided by basic computer learning february 2010

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maintenance and cleaning cleaning the filters sanyo plc-xu300 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 2 3 4 turn off the projector and unplug the ac power cord from the ac outlet turn the projector over and remove the filters clean the filters softly by using a brush replace the filters properly make sure that the filters are fully inserted to the projector 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 filters 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 when reinserting this filters be sure that the slit part is facing the outer side filter counter resetting the filter counter be sure to reset the filter counter after cleaning or replacing the filters 1 2 press the menu button to display the on-screen menu use the point buttons to select the setting menu and then press the point or select buttons use the point buttons select filter counter and then press the point or the select button use the point buttons to select filter counter reset and then press select button the filter counter reset appears select yes to continue another confirmation dialog box appears select yes to reset the filter counter 3 the filter counter reset appears select yes then another confirmation box appears select yes again to reset the filter counter 60

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sanyo plc-xu300 attaching the lens cap when moving this projector or while not using it over an extended period of time replace the lens cap attach the lens cap according to the following procedures maintenance and cleaning 1 2 thread the string through the hole on the lens cap and then tie a knot in the string to secure it in place to pass the other end of the string into the hole on the top of the projector and pull at it cleaning the projection lens unplug the ac power cord before cleaning gently wipe the projection lens with a cleaning cloth that contains a small amount of non-abrasive camera lens cleaner or use a lens cleaning paper or commercially available air blower to clean the lens avoid using an excessive amount of cleaner abrasive cleaners solvents or other harsh chemicals might scratch the surface of the lens cleaning the projector cabinet unplug the ac power cord before cleaning gently wipe the projector body with a soft dry cleaning cloth when the cabinet is heavily soiled use a small amount of mild detergent and finish with a soft dry cleaning cloth avoid using an excessive amount of cleaner abrasive cleaners solvents or other harsh chemicals might scratch the surface of the cabinet when the projector is not in use put the projector in an appropriate carrying case to protect it from dust and scratches 61

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sanyo plc-xu73-74-75 cleaning the air filters maintenance and cleaning air filters prevent dust from accumulating on the optical elements inside the projector should the air filters become clogged with dust particles it will reduce cooling fans effectiveness and may result in internal heat build up and adversely affect the life of the projector clean the air filters following the steps below 1 2 3 4 turn off the projector and disconnect the ac power cord from the ac outlet turn over the projector and remove the air filters by pulling the latches upward clean the air filters with a brush or rinse them softly when cleaning the air filters by rinsing dry them well replace the air filters properly make sure that the air filters are fully inserted caution do not operate the projector with the air filters removed dust may accumulate on the optical elements degrading picture quality do not put small parts into the air intake vents it may result in malfunction of the projector air filters pull up and remove recommendation we recommend avoiding dusty/smoky environments when operating the projector usage in these environments may cause a 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 this condition may degrade the quality of a projected image when the symptoms above are noticed contact your authorized dealer or service station for proper cleaning note when reinserting this air filter be sure that the slit part is facing the outer side attaching the lens cover when moving this projector or while not using it over an extended period of time replace the lens cover attach the lens cover according to the following procedures lens cover 1 2 3 pass the string through a hole of the lens cover turn over the projector and remove the screw with a screwdriver attach the string with lens cover to a hole at the bottom of the projector and secure it with a screw string for the lens cover secure it to the hole with a screw hole 53

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maintenance and cleaning sanyo plc-xu73-74-75 cleaning the projection lens follow these steps to clean the projection lens 1 2 disconnect the ac power cord before cleaning softly wipe the projection lens with a cleaning cloth that contains a small amount of non-abrasive camera lens cleaner or use lens cleaning paper or a commercially available air blower to clean the lens avoid using an excessive amount of cleaner abrasive cleaners solvents or other harsh chemicals might scratch the surface when the projector is not in use replace the lens cover 3 cleaning the projector cabinet follow these steps to clean the projector cabinet 1 2 disconnect the ac power cord before cleaning softly wipe the projector body with a soft dry cleaning cloth when it is heavily soiled use a small amount of mild detergent and finish with a soft dry cleaning cloth avoid using an excessive amount of cleaner abrasive cleaners solvents or other harsh chemicals might scratch the surface when the projector is not in use put the projector in an appropriate carrying case to protect it from dust and scratches 3 54

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maintenance and cleaning cleaning the air filter sanyo plc xl50 the air filter prevents dust from accumulating on the surface of the optical elements inside the projector should the air filter become clogged with dust particles it will reduce cooling fans effectiveness and may result in a buildup of internal heat and adversely affects the life of the projector clean the air filter by following the steps below 1 2 3 4 turn off the projector and unplug the ac power cord from the ac outlet turn over the projector and remove the air filter by pulling the latches upward clean up the dust on the projector and around the air vents gently clean the filter by using a brush or blower warning do not wash the filter with water and any other liquid matter otherwise the filter may be damaged 5 6 reinstall the filter into the projector properly reset the filter counter in the setting menu see resetting the filter counter below caution do not operate the projector with the air filter removed dust may accumulate on the optical elements degrading picture quality do not put anything into the air intake vents otherwise it may result in malfunction of the projector air filter pull up and remove note ·when cleaning the air filter protect the infrared remote receiver with a soft cloth to avoid damaging it · if the filter is heavily clogged and unable to clean replace it with a new one consult your dealer for details replacement filter part no 610 335 4057 recommendation we recommend avoiding dusty/smoky environments when you operate the projector usage in these environments may cause poor image quality when you use the projector under dusty or smoky conditions dust may accumulate on the 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 resetting the filter counter be sure to reset the filter counter after cleaning or replacing the filter 1 2 press the menu button to display the on-screen menu use the point buttons to move the red frame pointer to the setting menu icon use the point buttons to move the red frame pointer to filter counter and then press the select button a dialog box appears showing the total accumulated time of the filter use a timer setting option and the reset option select reset and the filter counter reset appears select [yes to continue another confirmation dialog box appears select [yes to reset the filter counter filter counter select reset and the filter counter reset appears select [yes then another confirmation box appears select [yes again to reset the filter counter 3 60

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sanyo plc xl50 cleaning the projection window caution maintenance and cleaning this projector is equipped with a projection window do not rub the projection window with a hard fiber cloth or hit it with a something hard to prevent the projection window from scratching do not use a chemical cleaner liquid and solid to avoid deteriorating the projection window unplug the ac power cord before cleaning first remove the dust with a blower then gently wipe the projection window surface use a cleaning paper moistened with methyl alcohol methanol avoid excessive use of cleaner do not use abrasive cleaners solvents or other harsh chemical cleaners to avoid damaging the projection window cleaning the projector cabinet unplug the ac power cord before cleaning gently wipe the projector body with a soft dry cleaning cloth when it is heavily soiled use a small amount of mild detergent and finish with the cleaning cloth avoid excessive use of cleaner abrasive cleaners solvents or other harsh chemicals might scratch the surface of the cabinet when the projector is not in use put the projector in an appropriate case to avoid dust and being scratched 61

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maintenance and cleaning cleaning the air filters promethean prm-10-20 and xe-40 air filters prevent dust from accumulating on the surface of the optical elements inside the projector should the air filters become clogged with dust particles they will reduce cooling fans effectiveness and may result in a buildup of internal heat and adversely affect the life of the projector clean the air filters by following the steps below 1 2 3 4 turn off the projector and unplug the ac power cord from the ac outlet turn over the projector and remove the air filters by pulling the latches upward clean the air filters with a brush or rinse them softly when rinsing the air filters dry them well replace the air filters properly make sure that the air filters are fully inserted caution do not operate the projector with the air filters removed dust may accumulate on the optical elements degrading picture quality do not put anything into the air intake vents otherwise it may result in malfunction of the projector air filters pull up and remove note recommendation we recommend avoiding dusty/smoky environments when you operate the projector usage in these environments may cause poor image quality when you use the projector under dusty or smoky conditions dust may accumulate on the 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 attaching the lens cover when moving the projector or while it is not in use replace the lens cover 1 1 2 thread the string through the hole on the lens cover and then tie a knot in the string to secure it in place thread the other end of the string through the hole on the bottom of the projector then pass the lens cover through the resulting loop of the string and pull it to tighten the knot 2 54

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promethean prm-10-20 and xe-40 cleaning the projection lens caution maintenance and cleaning this projector is equipped with a plastic lens do not rub the lens with a hard fiber cloth or hit it with a something hard to prevent the lens from scratching do not use a chemical cleaner liquid and solid to avoid deteriorating the lens unplug the ac power cord before cleaning first remove the dust with a blower then gently wipe the lens surface use a lens cleaning paper moistened with methyl alcohol methanol avoid excessive use of cleaner do not use abrasive cleaners solvents or other harsh chemical cleaners to avoid damages the lens when the projector is not in use replace the lens cover cleaning the projector cabinet unplug the ac power cord before cleaning gently wipe the projector body with a soft dry cleaning cloth when it is heavily soiled use a small amount of mild detergent and finish with the cleaning cloth avoid excessive use of cleaner abrasive cleaners solvents or other harsh chemicals might scratch the surface of the cabinet when the projector is not in use put the projector in an appropriate case to avoid dust and being scratched 55

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epson si si+

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epson s3

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