Oce 3121 Technical & Service Manual page 102

Press ' FUNCTION ' on the Menu screen ( ' * 4 * ' ).Press ' OK '.
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Press the Page key
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Place 5 to 10 sheets of paper on the platen.
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C opy paper
Press ' AUTO SHADING START ' on the LCD , causing it to highlight. Then,
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press ' OK '.
' Shading Auto Correction ' will be executed.
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A beep will sound while the lamp is adjusted, 'LAMP LEVEL' will be dis-
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played. Press ' OK ' when the beep stops.
If no beep is heard, remove the rear cover and turn VR1, on the DC controller
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PBA, until you hear the beep. If you still hear no beep while VR1 is turned
fully clockwise, press ' OK ' while keeping VR1 at the maximum setting.
After a time, ' NOW [END] ' will be displayed, indicating the end of the shad-
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ing correction.
ed.1
to bring up the Shading screen (12th screen).
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Image quality 29