NEC P401w Projector User Manual

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7. Maintenance
❷ 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.
❸ 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
❹ 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.” 	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	clear	the	lamp	hour	meter. 	(→	page	117)
 CAUTION
•	 DO	NOT...

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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.
 CAUTION:
Make	sure	that	the	lamp	housing	is	cool	enough	to	before	removing	it.
Interlock
To	replace	the	lamp:...

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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)	Slide	the...

163
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 end of each filter and remove the hard two honeycomb filters (large and small).
	 •	 The	large	filter	cannot	be	removed	by	pushing	on	its	right	end.
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	left	end	 of	each	 hard	honeycomb	 filter	(large	 and	small)	 first	and	 then	 the	right	 end	of	each	 hard	
honeycomb filter to the filter unit.
	 •		The	large	filter...

165
8. User Supportware
❶ Installing Software Program
Installation for Windows software
The	software	 programs	 except	Image	Express	 Utility	Lite	for	Mac	 OS	and	 PC	Control	 Utility	Pro	5	support	 Windows	
8,	Windows	7,	 Windows	Vista,	and	 Windows	XP.
NOTE:
•	 To	install	 or	uninstall	 each	software	 program,	 the	Windows	 user	account	 must	have	“Administrator”	 privilege	(Windows	 8,	Win-
dows	7,	Windows	Vista)	or	“Computer	Administrator”	privilege	(Windows	XP).
•	 Exit	all	running	programs	before...

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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	 8,	Windows	 7,	and	 Windows	 Vista)	or	“Computer	 Administrator” 	privilege	
(Windows...

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8. User Supportware
Using on Mac OS
Step 1: Install Image Express Utility Lite for Mac OS or PC Control Utility Pro 5 on the 
computer.
1.	 Insert	the	accompanying	NEC	Projector	CD-ROM	in	your	Mac	CD-ROM	drive.	
	 The	CD-ROM	icon	will	be	displayed	on	the	desktop.
2.	 Double-click	the	CD-ROM	icon.	
 The CD-ROM window will be displayed.
3.	 Double-click	the	 “Mac	OS	X”	folder.
4.	 Double-click	 “Image	Express	Utility	Lite.dmg” 	or	“PC	Control	Utility.mpkg”. 	
 The installer will start.
5.	 Click...

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8. User Supportware
❷ Using the Computer Cable (VGA) to Operate the Projector 
(Virtual Remote Tool)
Using	 the	utility	 software	 “Virtual	Remote	 Tool”,	Virtual	 Remote	 screen	(or	toolbar)	 can	be	displayed	 on	your	 computer	
screen.
This	 will	help	 you	perform	 operations	 such	as	projector’s	 power	on	or	off	 and	 signal	 selection	 via	the	 computer	 cable	
(VGA),	serial	cable,	 or	LAN	 connection. 	Only	 via	serial	 or	LAN	 connection	 it	is	 also	 used	 to	send	 an	image	 to	the	
projector...