GENERAL DESCRIPTIONCOPYRIGHT © 1998 CANON INC. CANON NP6621 REV.0 FEB. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 1–21a. Zoom Fine Adjustment (Reduction): Press thekey.b. Zoom Fine Adjustment (Enlargement): Pressthe key.5. Zoom Fine Adjustment• If there is a slight difference in size between theoriginal and output copy images when the copyratio is set to 100% (direct), use this function tocorrect the error. Adjustments can be madeindependently in the X (horizontal) and Y (vertical)directions.You can make adjustments from –1% to +1%, in0.2% increments.• Press the keys to adjust the copy ratio forZoom Fine Adjustment. The zoom fineadjustments can be confirmed by looking at thecopy exposure display.• Confirm fine adjustments by making copies andcomparing them with the original.• Even if you press the key, the zoom fineadjustments made in the Additional Functionsmode will not change.• The zoom fine adjustments are also effectivewhen making reduced/enlarged copies.1) Press theAditionalFunctionkey.• “U01” appears in the Copy quantity/Copyratio display.• Once you set the Additional Functions mode,the key turns red and copying operationscannot be initiated.2) Press the3 key.• If you make a mistake while entering a value,press either the3 key or press theC key andthen the3 key.3) Press the OK key.• “–1” is displayed in the Copy quantity/Copyratio display, and the current setting in the Xdirection is displayed in the copy exposuredisplay.• The X,Y directions appear in the Copy quantity/Copy ratio display as follows:Table 1-407• Fine adjustments ratios are displayed in thecopy exposure display as follows:(–0.2%)(–0.4%)(–0.6%)(–0.8%)(–1.0 %)Initialsetting(±0%)Initialsetting(±0%)(+0.2%)(+0.4%)(+0.6%)(+0.8%)(+1.0 %)Adjustment DirectionsX directionY directionSettings–1–2Download service manual and resetter printer at http://printer1.blogspot.com