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• This projector is equipped with one air filter to ensure the optimal operating condition of the projector.
• The air filter should be exchanged after every 2,000 hours of use.
• Have your nearest Sharp Authorised LCD Projector Dealer or Service Centre exchange the filter (PFILD0110CEZZ).

Grasp the tab and lift open the
filter cover in the direction of the
arrow.

Insert the tab on the end of the
filter cover into the filter cover
opening and press the filter
cover into position.

Press the air filter firmly into the
filter compartment.

Grasp the air filter tabs between
your fingers and pull it out of
the filter compartment.

• When resetting the filter cover, be sure the filter is securely installed. The power will not turn on unless it is correctly

installed.

Air filter

• Keylock level is set to “Level A” or “Level B”, preventing operation of some or all

buttons. (See page 59.)

• When the projector is set to slave, use the buttons on the master projector or change the

setting by RS-232C commands from the computer. (See page 63.)

• When using slave setting in combination with Keylock Level B or C, all the buttons on

the projector and the remote control are disabled. Use the SAPS or RS-232C commands
to release slave and Keylock setting and enable buttons to operate.
Without a computer, you can release slave and Keylock setting by entering the buttons
on the projector as follows.
ON 

→ ENTER → ON → ENTER → ON → ENTER → MENU

However, this operation also releases the password set.

• Projector power cord is not plugged into the wall outlet.
• The front filter cover is not securely installed.
• Selected input is wrong. (See page 31.)
• Cables incorrectly connected to side panel of the projector. (See pages 14–18.)
• Remote control batteries have run down. (See page 12.)
• Remote control’s MOUSE/ADJUSTMENT switch is set to MOUSE.

• Cables incorrectly connected to side panel of the projector. (See pages 14–18.)
• “Contrast” and “Bright” adjustments are set to minimum position. (See page 43.)
• On-screen Display (“BLACK SCREEN”) is turned off and Black Screen function is turned

on, creating a black image. (See page 32.)

• “Color” and “Tint” adjustments are not correct. (See page 43.)

• Adjust the focus. (See page 29.)
• Projection distance is too long or too short to allow for proper focus. (See pages 21–28.)

• Cables incorrectly connected to side panel of the projector. (See pages 14–18.)
• Volume is set to minimum. (See page 31.)

• OSD Display is set to “Level A” or “Level B”, preventing to display some or all On-screen

Displays. (See page 53.)

• If the picture is normal, the sound is due to cabinet shrinkage caused by temperature

changes. This will not affect operation or performance.

• Refer to “Lamp/Maintenance Indicators” on page 69.

• Adjust the “Phase” setting. (See page 46.)
• Noise may appear when used with certain computers. Set the NOISE FILTER to ON

using the RS-232C command. (See pages 80–82.)

• Set the resolution mode to 480P. (See page 48.)

• Change the input signal type. (See page 45.)

• Align the mark on the lens with the corresponding mark on the projector, push the lens

firmly in place, and rotate to the right.

Power cannot be turned on or
off using the POWER buttons
(ON/OFF) on the projector.

Cannot be operated by
remote control.

Cannot be operated by all
buttons of the projector and
remote control.

No picture and no sound.

Sound is heard but no picture
appears.

Colour is faded or poor.

Picture is blurred.

Picture appears but no sound
is heard.

No OSD appears.

An unusual sound is occasion-
ally heard from the cabinet.

Maintenance indicator lights
up.

Picture noise appears.

480P images do not appear.

Image is green on INPUT 1, 2,
4 or 5 COMPONENT.
Image is pink (no green) on
INPUT 1, 2 RGB.

Lens comes off.

• Keylock level is set to “Level A” or “Level B”, preventing operation of some or all

buttons. (See page 59.)

• When the projector is set to slave, use the buttons on the master projector or change the

setting by RS-232C commands from the computer. (See page 63.)

• When using slave setting in combination with Keylock Level B or C, all the buttons on

the projector and the remote control are disabled. Use the SAPS or RS-232C commands
to release slave and Keylock setting and enable buttons to operate.
Without a computer, you can release slave and Keylock setting by entering the buttons
on the projector as follows.
ON 

→ ENTER → ON → ENTER → ON → ENTER → MENU

However, this operation also releases the password set.

• Projector power cord is not plugged into the wall outlet.
• The front filter cover is not securely installed.
• Selected input is wrong. (See page 31.)
• Cables incorrectly connected to side panel of the projector. (See pages 14–18.)
• Remote control batteries have run down. (See page 12.)
• Remote control’s MOUSE/ADJUSTMENT switch is set to MOUSE.

• Cables incorrectly connected to side panel of the projector. (See pages 14–18.)
• “Contrast” and “Bright” adjustments are set to minimum position. (See page 43.)
• On-screen Display (“BLACK SCREEN”) is turned off and Black Screen function is turned

on, creating a black image. (See page 32.)

• “Color” and “Tint” adjustments are not correct. (See page 43.)

• Adjust the focus. (See page 29.)
• Projection distance is too long or too short to allow for proper focus. (See pages 21–28.)

• Cables incorrectly connected to side panel of the projector. (See pages 14–18.)
• Volume is set to minimum. (See page 31.)

• OSD Display is set to “Level A” or “Level B”, preventing to display some or all On-screen

Displays. (See page 53.)

• If the picture is normal, the sound is due to cabinet shrinkage caused by temperature

changes. This will not affect operation or performance.

• Refer to “Lamp/Maintenance Indicators” on page 69.

• Adjust the “Phase” setting. (See page 46.)
• Noise may appear when used with certain computers. Set the NOISE FILTER to ON

using the RS-232C command. (See pages 80–82.)

• Set the resolution mode to 480P. (See page 48.)

• Change the input signal type. (See page 45.)

• Align the mark on the lens with the corresponding mark on the projector, push the lens

firmly in place, and rotate to the right.

Power cannot be turned on or
off using the POWER buttons
(ON/OFF) on the projector.

Cannot be operated by
remote control.

Cannot be operated by all
buttons of the projector and
remote control.

No picture and no sound.

Sound is heard but no picture
appears.

Colour is faded or poor.

Picture is blurred.

Picture appears but no sound
is heard.

No OSD appears.

An unusual sound is occasion-
ally heard from the cabinet.

Maintenance indicator lights
up.

Picture noise appears.

480P images do not appear.

Image is green on INPUT 1, 2,
4 or 5 COMPONENT.
Image is pink (no green) on
INPUT 1, 2 RGB.

Lens comes off.

• Keylock level is set to “Level A” or “Level B”, preventing operation of some or all

buttons. (See page 59.)

• When the projector is set to slave, use the buttons on the master projector or change the

setting by RS-232C commands from the computer. (See page 63.)

• When using slave setting in combination with Keylock Level B or C, all the buttons on

the projector and the remote control are disabled. Use the SAPS or RS-232C commands
to release slave and Keylock setting and enable buttons to operate.
Without a computer, you can release slave and Keylock setting by entering the buttons
on the projector as follows.
ON 

→ ENTER → ON → ENTER → ON → ENTER → MENU

However, this operation also releases the password set.

• Projector power cord is not plugged into the wall outlet.
• The front filter cover is not securely installed.
• Selected input is wrong. (See page 31.)
• Cables incorrectly connected to side panel of the projector. (See pages 14–18.)
• Remote control batteries have run down. (See page 12.)
• Remote control’s MOUSE/ADJUSTMENT switch is set to MOUSE.

• Cables incorrectly connected to side panel of the projector. (See pages 14–18.)
• “Contrast” and “Bright” adjustments are set to minimum position. (See page 43.)
• On-screen Display (“BLACK SCREEN”) is turned off and Black Screen function is turned

on, creating a black image. (See page 32.)

• “Color” and “Tint” adjustments are not correct. (See page 43.)

• Adjust the focus. (See page 29.)
• Projection distance is too long or too short to allow for proper focus. (See pages 21–28.)

• Cables incorrectly connected to side panel of the projector. (See pages 14–18.)
• Volume is set to minimum. (See page 31.)

• OSD Display is set to “Level A” or “Level B”, preventing to display some or all On-screen

Displays. (See page 53.)

• If the picture is normal, the sound is due to cabinet shrinkage caused by temperature

changes. This will not affect operation or performance.

• Refer to “Lamp/Maintenance Indicators” on page 69.

• Adjust the “Phase” setting. (See page 46.)
• Noise may appear when used with certain computers. Set the NOISE FILTER to ON

using the RS-232C command. (See pages 80–82.)

• Set the resolution mode to 480P. (See page 48.)

• Change the input signal type. (See page 45.)

• Align the mark on the lens with the corresponding mark on the projector, push the lens

firmly in place, and rotate to the right.

Power cannot be turned on or
off using the POWER buttons
(ON/OFF) on the projector.

Cannot be operated by
remote control.

Cannot be operated by all
buttons of the projector and
remote control.

No picture and no sound.

Sound is heard but no picture
appears.

Colour is faded or poor.

Picture is blurred.

Picture appears but no sound
is heard.

No OSD appears.

An unusual sound is occasion-
ally heard from the cabinet.

Maintenance indicator lights
up.

Picture noise appears.

480P images do not appear.

Image is green on INPUT 1, 2,
4 or 5 COMPONENT.
Image is pink (no green) on
INPUT 1, 2 RGB.

Lens comes off.