Canon Microfilm Scanner 400 Instruction Manual - Page 29

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Problem

Screen does not come on, even after turning

on the power switch.

Screen brightness is uneven or too dark.

Image is out of focus.

Image is skewed.

After pressing the print key, print will not start.

MAINTENANCE AND TROUBLESHOOTING

Troubleshooting

If you detect a problem during operation of the main unit, check

the list of problems and possible solutions below.

Solution

• Check the lamp unit and make sure it is set securely.

• Check the lamp to see if the lamp is burnt out. After the lamp

burns out, L5 is displayed. If the lamp is burned out, change the

halogen lamp. ( 22)

• Check the lens and make sure it is clean.

• Check the lens and make sure it is securely installed.

• Check the lamp and lamp unit and make sure both are installed

securely.

• Check the setting of the Light Adjustment dial and make sure it

is set correctly for the type of lens installed. ( 11)

• Rotate the focus fin on the lens to adjust the focus. ( 15)

• Check the lens and make sure that it is installed correctly.

• Check the carrier and make sure that it is installed correctly. For

details, read the instructions you received with the carrier.

• Check the lens and lamp and make sure they are clean. If re-

quired, clean the lens or lamp

• Rotate the rotation fin on the lens to adjust the image. ( 15)

• Check the carrier and make sure that it is installed correctly. For

details, read the instructions you received with the carrier.

• If the Print display is blinking, this means the unit is warming up.

After the display lights and stays on, then the unit is ready to

use.

• If the Print display shows a User Call Error, look it up in the

table. ( 26)