3. Adjusting the Blank Exposure Lamp1) Place the Test Sheet on the copyboard.2) Select A4.3) Make a copy, and check to make sure that the left/right registration is correct.4) Make a copy in Direct.5) Check the image, and measure the non-image width shown in Figure 10-219.(with standard frame erasing ON)Table 10-202Figure 10-2196) If the non-image width is not as specified, turn the adjusting screw to adjust theposition of the blank exposure lamp assembly.Figure 10-220Adjusting screw024681210023681210W1 W1COPYRIGHT © 1997 CANON INC. CANON NP6045 REV. 1 MAR. 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)CHAPTER 10 TROUBLESHOOTING10-18Paper sizeAll paper sizesLeft/right non-image width2.75±2.5mm