K-50 Digital Camera Manual

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Appendix
10
Raise the mirror up and open the shutter when cleaning the CMOS sensor
with a blower.
Please contact a PENTAX Service Center for professional cleaning as the
CMOS sensor is a precision part. Cleaning services involve a fee.
1 Turn the camera off, and remove the lens.
2 Turn the camera on.
3 Select [Sensor Cleaning] in the [R Set-up 4] menu, and
press the four-way controller (5).
The [Sensor Cleaning] screen appears.
Removing Dust with a Blower
• The self-timer lamp blinks while cleaning the sensor.
• This camera may generate a vibration sound while cleaning the CMOS
sensor. It is not a malfunction.
• You can use the optional imagesensor cleaning kit to clean the CMOS
sensor.
• Never use a spray blower or a blower with a brush. They may scratch the
CMOS sensor. Also, do not wipe the CMOS sensor with a cloth.
• Do not clean the sensor when the mode dial is set to p.
• To prevent dirt and dust from accumulating on the CMOS sensor, keep the
body mount cover on the camera when a lens is not attached.
• When the battery level is low, [Not enough battery power remaining to clean
sensor] is displayed on the monitor.
• When cleaning the sensor, use the optional AC adapter kit or install a fully
charged battery. If the battery capacity becomes low during cleaning, the self-
timer lamp blinks rapidly. In this case, stop cleaning immediately.
• Do not put the tip of the blower inside the lens mount area. If the power is
turned off, this may cause damage to the shutter, CMOS sensor and the
mirror.