Ricoh PJK7000, Field Service Manual

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2. Choose “DA Calibration”.
3. Select ‘’DA Reset’’, then press the “Enter” key to reset.
Fan Calibration
After replacing a Blower (TC Blower, Top Blower, Bottom Blower) or the main board, do the following
steps.
Before doing fan calibration, the unit must be cooled down, or the calibration will be fail.
1. Put the projector on a horizontal surface.
2. Insert the power cord and turn the power switch.
3. Press and hold down the “Up” key, then press the "Power" key, then release the "Up"
key until the power LED changes from purple to blue.
After fan calibration is finished, the projector will start automatically..
4. Press the “Power -> Left ->Left -> Menu” keys to get into service mode and check "Factory
Blower".
5. Test & Inspection
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