3M MP8650 Owner's Manual download pdf (Page 21)

 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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