Ricoh Projector PJ X4241N User Manual

ProblemSolutionsColor 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 93 "Image Adjustment Menu".
• Make sure the screen is clean.
• Check the settings of [Wall Color Mode] in [Display Settings]. For details, see page 97 "Display SettingsMenu".
• Make sure the lamp is not near the end of its service life. For details, see page 128 "Display Status".The projector's operation keys...

ProblemSolutionsNo images from USB devices.• Make sure the USB memory device is connectedcorrectly.
• 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 51 "Requirements for Projecting Images from a
USB Device".Wired LAN is disabled.• Check the settings of [Wired LAN Settings]...

You can search the knowledge base by product name or keyword.Common Problems
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6. Troubleshooting
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7. 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 understandingthe 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 highvoltage components inside the machine that may cause electric shock. Contact your servicerepresentative 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 ceiling....

Replacing the Lamp• Before replacing the lamp, turn off the power and wait at least one hour to allow the machine tocool completely. If it is not completely cool, you may burn or injure yourself due to the inside of
the machine and lamp unit being hot. If you replace the lamp without unplugging the power cord
from the power outlet, electric shock or explosion may occur.
• Be careful when handling the used lamp so that it does not break. If it breaks, it may cause injury. • Do not attempt to clean or...

• The lamp is a glass product. Do not touch the glass surface with bare hands, hit it forcefully, ordamage it. For details about what to do if a lamp has exploded, see page 143 "Operating
Precautions".
• This projector's lamp contains trace amounts of environmentally harmful inorganic mercury. Be careful not to break used lamps, and dispose of them in accordance with local regulations or
contact your sales representative or service representative.
When the lamp is due for replacement, the...

2.Loosen the screw on the right side of the inner lamp cover, and then remove the inner
lamp cover.
3. Loosen the two screws on the left side of the lamp unit.
4.Raise the metal handle.
7. Maintenance
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