Ricoh Projector PJ WX4152NI User Manual

Problem
Solutions
No image. • Make sure the input signal is switched correctly if [Auto
Input Search] in [Default Settings 1] is set to [Off]. For
details, see page 118 "Default Settings 1 Menu".
• Make sure the AV mute function is not turned on. For
details, see page 45 "Temporarily Blanking the Image
and Muting the Audio".
•
Check the settings of [Brightness] in [Image Adjustment].
For details, see page 108 "Image Adjustment Menu".
• Make sure the computer or AV equipment is...

Problem
Solutions
Image is not projected normally. • Make sure the input signal is compatible with the projector. For details, see page 177 "List of Compatible
Signals".
• Check the status of the video tape or other video source.
•
Execute [Auto Set Signals] in [Image Adjustment]. For
details, see page 108 "Image Adjustment Menu".
• Check the settings of the computer's graphics driver. For details, see the manual provided with the computer.
Image is blurred.
Image is partially out of...

Problem
Solutions
Color is faded.
Tint is poor. • Check the settings of [Color Saturation], [R-level], [G-
level], and [B-level] in [Image Adjustment]. For details,
see page 108 "Image Adjustment Menu".
• Make sure the screen is clean.
•
Check the settings of [Wall Color Mode] in [Display
Settings]. For details, see page 112 "Display/Sound
Settings Menu".
• Make sure the lamp is not near the end of its service life. For details, see page 141 "Display Status".
The projector's...

Problem
Solutions
No images from USB devices. • Make sure the USB memory device is connected correctly.
• Make sure the connected USB memory device is
compatible with the projector.
•
Make sure there are JPEG or MPEG files saved on the
USB memory device.
• Make sure the compression format, file size, and other conditions are compatible with the projector. For details,
see page 47 "Requirements for Projecting Images from a
USB Device".
Wired LAN is disabled. • Check the settings of [Wired LAN...

9. Maintenance
This chapter explains the operating precautions and maintenance for the projector.
Operating Precautions
• The machine's light uses a mercury vapor lamp that becomes high pressure when it is turned on.
The lamp has the following characteristics, so be sure to handle it with care after understanding
the contents. If the lamp explodes and either you are injured from broken pieces of glass, think
you have gotten glass particles or mercury vapour in your eyes, or have inhaled glass...

• Soak the tissue paper that you used in water, and then throw it away as burnable trash.
• When you carry the projector by hand, hold it with both hands and keep it in a horizontal position.
If you hold the projector with one hand, its covers may come off or you may drop it.
•
If moving the projector under conditions including vibration and shock, use both the packing case
and included carrying bag. Transporting the projector using the carrying bag only may damage it
due to shock or vibration. Further,...

Cleaning the Projector
• Do not remove any covers or screws that are not mentioned in this manual. There are high
voltage components inside the machine that may cause electric shock. Contact your service
representative if any of the machine's internal components require maintenance, adjustment, or
repair.
• Do not disassemble or modify the machine. Doing so may cause injury or malfunction. • Do not attempt to clean or replace parts for a machine that is installed in a high location on a
wall or...

2.
While pressing the lever on the right side of the air filter, pull the filter open. 3.
Remove the air filter.
4. Use a vacuum cleaner to clean any dirt or dust from the filter.
5. Install the air filter in the projector. Insert the left side of the air filter in first, and then press the lever while pushing in the right side of the
filter.
Make sure that the air filter is installed correctly. Otherwise, dirt and dust may enter the projector
through any gaps and cause it to stop or malfunction....

2.
Gently slide and pull out the bottom air intake vent cover to remove it, and then use a
vacuum cleaner to clean any dirt or dust from the intake vent. 3.
Install the bottom air intake vent cover by sliding it gently back into place.
Check that the bottom air intake vent cover is correctly installed. • The message is displayed only once at the following occasions:
•Every 500 hours
•
After the machine restarts when an error that the lamp turns off by itself during operation has
occurred
• The message is...

Cleaning the Projector
When cleaning the projector, make sure to do the following:
• Gently wipe any dirt from the projector using a soft cloth. Using a damp cloth may cause water to
seep inside the projector and cause electric shock or malfunction.
•
Do not use benzene or paint thinners. Doing so may cause the projector to warp, discolor, or the
paint to peel. Further, do not use cleaning cloths that contain chemicals.
9. Maintenance
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