493582
33
Zoom out
Zoom in
Previous page
1/42
Next page
E–33
4. MAINTENANCE
This section describes the simple maintenance procedures you should
follow to replace the lamp, clean the filter, and replace the batteries
in the remote control.
Replacing the Lamp
After your lamp has been operating for 2000 hours (1500 hours :
MT1045) or longer, the “Status” light in the cabinet will go on and
the message will appear. Even though the lamp may still be working,
replace it at 2000 (1500 hours : MT1045) hours to maintain optimal
projector performance.
CAUTION
DO NOT TOUCH THE LAMP immediately after it has been
used. It will be extremely hot. Turn the projector off, wait a
full minute, and then disconnect the power cable. Allow at
least one hour for the lamp to cool before handling.
DO NOT REMOVE ANY SCREWS except the lamp cover
screw and three lamp case screws. You could receive an elec-
tric shock.
The projector will turn off and go into stand by mode after 2100
(1600 hours : MT1045) hours of service. If this happens, be sure
to replace the lamp. If you continue to use the lamp after 2000
hours (1500 hours : MT1045) of use, the lamp bulb may shatter,
and pieces of glass may be scattered in the lamp case. Do not
touch them as the pieces of glass may cause injury. If this hap-
pens, contact your NEC dealer for lamp replacement.
To replace the lamp:
1. Loosen the lamp cover screw until the screwdriver goes into a free-
wheeling condition and remove the lamp cover. The lamp cover
screw is not removable.
M
E
N
U
E
N
T
E
R
C
A
N
C
E
L
SELECT
POWER
STATUS
ON
/
OFF
SOURCE
1
M
E
N
U
E
N
T
E
R
SELECT
POW
STATUS
SOURCE
2
2. Loosen the two screws securing the lamp housing until the screw-
driver goes into a freewheeling condition. The three screws are
not removable.
Remove the lamp housing by pulling out the handle.
NOTE: There is an interlock on this case to prevent the risk of
electrical shock. Do not attempt to circumvent this interlock.
M
E
N
U
E
N
T
E
R
C
A
N
C
E
L
SELECT
POWER
STATUS
ON
/
OFF
SOURCE
1
M
E
N
U
E
N
T
E
R
C
A
N
C
E
L
SELECT
POWER
STATUS
O
SOURCE AUTO ADJUST
2
3. Insert a new lamp housing until the lamp housing is plugged into
the socket.
CAUTION: Do not use a lamp other than the NEC replace-
ment lamp (MT40LP).
Order this from your NEC dealer.
Secure it in place with the two screws.
Be sure to tighten the screws.
M
E
N
U
E
N
T
E
R
C
A
N
C
E
L
SELECT
POWER
STATUS
ON
/
OFF
SOURCE AUTO ADJUST
1
M
E
E
N
T
E
R
C
A
N
C
E
L
SELECT
POWER
STATUS
SOURCE
2
4. Reattach the lamp cover.
Tighten the lamp cover screw.
Be sure to tighten the screw.
M
E
N
U
E
N
T
E
R
C
A
N
C
E
L
SELECT
POWER
STATUS
ON
/
OFF
SOURCE AUTO ADJUST
1
M
E
E
N
T
E
R
C
A
N
C
E
L
SELECT
POWER
STATUS
SOURCE
2
5. After you install a new lamp, select [Main Menu] [Projector
Options] [Setup][Page 2][Clear Lamp Hour Meter] to re-
set the lamp usage hours.
NOTE: When the lamp exceeds 2100 hours (1600 hours : MT1045)
of service, the projector cannot turn on and the message is not dis-
played. If this happens, press the OFF or Help button on the remote
control for a minimum of 10 seconds while in standby mode. When
the lamp time clock is reset to zero, the STATUS indicator goes out.
Interlock
33


Need help? Post your question in this forum.

Forumrules


Report abuse

Libble takes abuse of its services very seriously. We're committed to dealing with such abuse according to the laws in your country of residence. When you submit a report, we'll investigate it and take the appropriate action. We'll get back to you only if we require additional details or have more information to share.

Product:

For example, Anti-Semitic content, racist content, or material that could result in a violent physical act.

For example, a credit card number, a personal identification number, or an unlisted home address. Note that email addresses and full names are not considered private information.

Forumrules

To achieve meaningful questions, we apply the following rules:

Register

Register getting emails for Nec MT840 at:


You will receive an email to register for one or both of the options.


Get your user manual by e-mail

Enter your email address to receive the manual of Nec MT840 in the language / languages: English as an attachment in your email.

The manual is 1,02 mb in size.

 

You will receive the manual in your email within minutes. If you have not received an email, then probably have entered the wrong email address or your mailbox is too full. In addition, it may be that your ISP may have a maximum size for emails to receive.

Others manual(s) of Nec MT840

Nec MT840 User Manual - German - 42 pages


The manual is sent by email. Check your email

If you have not received an email with the manual within fifteen minutes, it may be that you have a entered a wrong email address or that your ISP has set a maximum size to receive email that is smaller than the size of the manual.

The email address you have provided is not correct.

Please check the email address and correct it.

Your question is posted on this page

Would you like to receive an email when new answers and questions are posted? Please enter your email address.



Info