NEC P350x Projector User Manual

143
7. Maintenance
This	section	 describes	 the	simple	 maintenance	 procedures	you	should	 follow	to	clean	 the	filters,	 the	lens,	 the	cabinet, 	
and	to	replace	the	lamp	and	the	filters.
1 Cleaning the Filters
The	air-filter	 sponge	keeps	dust	and	dirt	from	 getting	 inside	the	projector	 and	should	 be	frequently	 cleaned.	If	 the	 filter	
is	dirty	or	clogged,	your	projector	may	overheat.
NOTE:	 The	message	 for	filter	 cleaning	 will	be	displayed	 for	one	 minute	 after	the	projector	 is	turned	 on...

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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.	 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...

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7. Maintenance
7.	 Put	the	filter	unit	back	to	the	projector	cabinet.
	 Make	sure	that	the	filter	 unit	is	placed	 in	the	 correct	 orienta-
tion.
8.	 Put	the	filter	cover	back	to	the	projector	cabinet.
  Insert  two  catches  of  the  top  side  of  the  filter  cover  into  the 
groove of the cabinet, and push the buttons on the left and right 
to close the filter cover.
•	 Push	the	filter	cover	until	it	clicks	into	place.
9.	 Clear	the	filter	usage	hours.
 Plug the power cord into the wall outlet,...

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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.” 	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	104)
 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.
Interlock
To replace the lamp: 
1.	 Remove	the	lamp	cover.
(1)	Loosen	the	lamp	cover	screw
	 •	The	lamp	cover...

149
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...

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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 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...

152
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...