Canon CANOSCAN D660U Service Manual page 50

CHAPTER 3
3. Precaution when attaching the document glass unit
1) Attach the document glass unit pressing toward the front of the scanner as a standard
position.
2) Take care not to touch the rear of the document glass unit with hand to prevent dirt.
Figure 3-7
3 - 6
COPYRIGHT © 2000 CANON INC. CANOSCAN D660U REV.0 JULY 2000 PRINTED IN JAPAN (IMPRIME AU JAPON)