Ricoh PJ WX4152 Field Service Manual page 189

Problem
Image is not projected normally.
Image is blurred.
Image is partially out of focus.
Image is dark.
Solutions
• Make sure the input signal is compatible with the
projector.
• Check the status of the video tape or other video source.
• Execute [Auto Set Signals] in [Image Adjustment].
• Check the settings of the computer's graphics driver. For
details, see the manual provided with the computer.
• Make sure the projection window is clean.
For details, see the Operating Instructions.
• Check the focus adjustment.
For details, see the Operating Instructions.
• Make sure the projection distance is within the projector's
range.
For details, see the Operating Instructions.
• Check the installation angles of the projector and screen.
For details, see the Operating Instructions.
• Check the settings of [Sharpness] and [Phase] in [Image
Adjustment]. For details, see the Operating Instructions.
• Check the settings of "Brightness" and "Contrast" in
[Image Adjustment].
For details, see the Operating Instructions.
• Make sure the lamp is not near the end of its service life.
For details, see the Operating Instructions.
• Check the settings of [RGB Input Range] in [Image
Adjustment].
For details, see the Operating Instructions.
• Make sure [3D Projection] in [Default Settings] is set to
[Off].
For details, see the Operating Instructions.
Check Point of Each Problem for Solution
187