6Maintenance

This section outlines the maintenance instructions for the CR-2: daily inspection, cleaning, disinfecting, refilling chin rest paper, and removing/installing the digital camera.

CAUTION

• For safety reasons, before using the CR-2, be sure to perform the daily inspection.

•Have a periodically inspection performed for the CR-2 at least once a year by a Canon designated representative to maintain its performance and reliability.

Daily Inspections

Perform the following inspections before using the CR-2 to insure that it is used safely and correctly. If a problem is found during the inspection and you are unable to correct the problem, please contact your sales representative or local Canon dealer.

Checks before turning on the power

Check the following items before turning on the power.

Cables

1)The power cord and connection cable are not damaged and their insulation is not torn.

2)The power cord is fully and securely inserted into the AC connector on the main unit and the AC outlet.

Main unit

1)The digital camera cover and parts are not damaged or loose.

2)The stage moves smoothly when the operation lever is tilted back and forth and right to left.

3)The digital camera is securely installed.

4)The stage lock operates properly.

5)There are no scratches or dirt on the objective lens. Clean the objective lens if it is dirty (see page 35).

Checks after turning on the power

Turn on the CR-2 and start the Rics NM 2. Check the following items after starting an examination.

Main unit

1)The power lamp lights.

2)The observation light brightness changes as the observation light brightness button is pressed.

3)A flash is emitted.

4)The main unit moves up and down smoothly as the main unit vertical movement ring is turned.

5)The chin rest moves up and down smoothly as the CHIN REST button is pressed.

Photographed image

1)Foreign objects that affect the reading of the images or diagnosis do not appear in the photographed image. Place a piece of white paper in front of the objective lens and photograph

an image under the following conditions:

• Flash intensity:

Standard

• Diopter compensation knob:

0

• Focus ring:

Turned clockwise more than 1 rotation.

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