NEC Projector PA571W User Manual

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7. Maintenance
(2) Push the left edges of the filters and remove the two hard 
honeycomb filters.
- The  filters  cannot  be  removed  by  pressing  the  left  and 
right edges.
4. Use a vacuum cleaner to vacuum all the dust inside.
  Get rid of dust in the accordion filter
NOTE:	
•	 Whenever	 you	vacuum	 the	filter,	 use	the	soft	 brush	 attachment	 to	
vacuum.	This	is	to	avoid	damage	to	the	filter.
•	 Do	not	wash	 the	filter	 with	water.	 Doing	so	can	 result	 in	filter	 clog-
ging.
5. Remove dust...

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7. Maintenance
8. Put the filter cover back to the projector cabinet.
 Insert the 4 catches on the top of the filter cover into the grooves 
in the projector, then press the left and right buttons to close.
•	 Push	the	filter	cover	until	it	clicks	into	place.
9.	 Clear	the	filter	usage	hours.
  Plug the power cord into the wall outlet, and then turn on the 
projector.
 From the menu, select [RESET] → [CLEAR FILTER HOURS]. 
(→ page 117)
 The interval time to clean the filters is set to [OFF] at time...

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7. Maintenance
 Cleaning the Lens
•	 Turn	off	the	projector	before	cleaning.
•	 The	projector	has	a	plastic	lens.	Use	a	commercially	available	plastic	lens	cleaner.
•	 Do	not	scratch	or	mar	the	lens	surface	as	a	plastic	lens	is	easily	scratched.
•	 Never	use	alcohol	or	glass	lens	cleaner	as	doing	so	will	cause	damage	to	the	plastic	lens	surface.
 Cleaning the Cabinet
Turn	off	the	projector,	and	unplug	the	projector	before	cleaning.
•	 Use	a	dry	soft	cloth	to	wipe	dust	off	the	cabinet.
	 If	heavily...

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7. Maintenance
 Replacing the Lamp and the Filters
When	the	lamp	 reaches	 the	end	 of	its	 life,	 the	LAMP	 indicator	 in	the	 cabinet	 will	blink	 red	and	 the	message	 “THE	
LAMP	HAS	REACHED	 THE	END	 OF	ITS	 USABLE	 LIFE.	PLEASE	 REPLACE	 THE	LAMP	 AND	FILTER. 	USE	 THE	
SPECIFIED	 LAMP	FOR	SAFETY	 AND	PERFORMANCE.” 	will	 appear	 (*).	Even	 though	 the	lamp	 may	still	be	working,	
replace	 the	lamp	 to	maintain	 the	optimal	 projector	 performance. 	After	 replacing	 the	lamp,	 be	sure	 to...

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7. Maintenance
2. Remove the lamp housing.
(1)	Loosen	 the	two	 screws	 securing	 the	lamp	 housing	 until	the	phillips	 screwdriver	 goes	into	a	freewheeling	 condi-
tion.
	 •	The	two	screws	are	not	removable.
	 •		There	 is	an	 interlock	 on	this	 case	 to	prevent	 the	risk	 of	electrical	 shock.	Do	 not	 attempt	 to	circumvent	 this	
interlock.
(2)	Remove	the	lamp	housing	by	holding	it.
InterlockGuide hole
To replace the lamp: 
1. Remove the lamp cover.
(1)	Loosen	the	lamp	cover	screw
	 •	 The...

164
7. Maintenance
This completes the lamp replacement.
Go on to the filter replacement.
NOTE:	When	you	continue	 to	use	 the	projector	 for	another	 100	hours	 after	the	lamp	 has	reached	 the	end	 of	its	 life,	 the	projector	
cannot	turn	on	and	the	menu	is	not	displayed.
If	this	happens,	press	the	HELP	button	on	the	remote	control	for	10	seconds	to	reset	the	lamp	clock	back	to	zero.
When	the	lamp	time	clock	is	reset	to	zero,	the	LAMP	indicator	goes	out.
	
4. Reattach the lamp cover.
(1)	Insert	the	top...

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7. Maintenance
To replace the filters:
Four	filters	are	packaged	with	the	replacement	lamp.
Honeycomb	filter	(coarse	mesh):	Large	and	small	sizes	(attached	to	the	outside	of	the	filter	unit)
Accordion	filter	(fine	mesh):	Large	and	small	sizes	(attached	to	the	inside	of	the	filter	unit)
NOTE:	
•	 Replace	all	four	filters	at	the	same	time.
•	 Before	replacing	the	filters,	wipe	off	dust	and	dirt	from	the	projector	cabinet.	
•	 The	projector	is	precision	equipment.	Keep	out	dust	and	dirt	during	filter...

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7. Maintenance
(2) Push the left edges of the filters and remove the two hard honeycomb filters (large and small).
	 •	The filters cannot be removed by pressing the left and right edges.
4. Remove dust from the filter unit and the filter cover.
  Clean both outside and inside.
5. Attach four new filters to the filter unit.
(1) Insert the hard honeycomb filters into the tips of the flanges at the center, then bend the filters and push them 
in under the hooks.
-  The filters cannot be inserted from...

167
8. User Supportware
 Installing Software Program
Installation for Windows software
The	software	 programs	 except	Image	Express	 Utility	2	for	 Mac	 support	 Windows	 7,	Windows	 Vista,	and	Windows	
XP.
NOTE:
•	 To	 install	 or	uninstall	 each	software	 program,	 the	Windows	 user	account	 must	have	“Administrator”	 privilege	(Windows	 7,	Win-
dows	Vista)	or	“Computer	Administrator”	privilege	(Windows	XP).
•	 Exit	all	running	programs	before	installation.	If	another	program	is	running,	the...

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8. User Supportware
2	 Click	a	software	program	you	wish	to	install	on	the	menu	window.
 The installation will start.
•	 Follow	the	instructions	on	the	installer	screens	to	complete	the	installation.
TIP:
Uninstalling a Software Program
Preparation:
Exit	 the	software	 program	before	uninstalling. 	To	 uninstall	 the	software	 program,	 the	Windows	 user	account	 must	have	
“Administrator” 	privilege	(Windows	7	and	 Windows	Vista)	or	“Computer	Administrator” 	privilege	(Windows	XP).
•	For	Windows...