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3M 1997
3M Multimedia Projector MP8650
Section 6: Lamp Information
6-1. Metal Halide Projector Lamp
If the projected image appears dark, the lamp may be getting old and in need of replacement. Under normal
operating conditions, the lamp should last approximately 1000 hours. However, after time, the lamp brightness
will slowly grow dimmer.
Note
The TEMPERATURE indicator will come on if the
lamp becomes too hot. If this happens, wait for the
fan motor to stop running, turn the power off and let
the projector cool. Check for airflow blockage, clean
the air filter then turn the power on. If the
TEMPERATURE indicator comes on again, call
customer service or your dealer for assistance.
Display Lamp Operation Hours
You must turn both the projector lamp and main power OFF to reset the lamp hours.
a Press power button (Figure 4-1, side of
projector) to turn projection lamp OFF.
b Switch projector power OFF (Figure 2-1,
back of projector) to turn main power off.
c Press and hold the INPUT button
(Figure 4-1, side of projector).
d While pressing the INPUT button, switch
main power ON (Figure 2-1, back of
projector). This will display the Lamp Timer
Clock.
e Read the number of lamp usage hours.
f Check the RESET field to make sure it is set
to NO. If RESET is set to YES, press the
INPUT button to switch it back. (See note)
g Press power button (Figure 4-1, side of
projector) to turn projection lamp OFF and
exit the lamp timer clock display mode.
h Switch projector power OFF (Figure 2-1,
back of projector) to turn main power off.
Note
Changing RESET to YES will zero the hour clock.
This should only be done by a qualified technician
when a new lamp is installed.
Change Lamp Message
After 1000 hours of lamp operation, the message “Change Lamp” will display for 30 seconds each time the
machine is powered on. This message is an indication that it is time to install a fresh lamp.
For best results, the lamp should be replaced after 1000 hours of usage.
D For 110V machines, the lamp can be
replaced by the user (See Technical
Appendix for instructions)
D For 220V machines, the lamp must be
replaced by a qualified service repair
technician.
Contact your nearest Service Repair Center or the Technical Assistance Center at:
In U.S. or Canada: 1-800-328-1371
In other locations, contact your local 3M Sales office.
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