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B. Scanner Drive Assembly
1. Routing the Mirror Drive Cable 1) Loosen the two fixing screws shown in Figure
4-205. 2) Turn the adjusting screw to move the pulley@ to the right. 3) Move the No. 1 and No. 2 mirror mounts fully to the front. 4) Route the cable with the numbered order provided in Figure 4-205. at number lead the cable at the bottom @, of the pulley. at number g:, wind the cable five times clockwise from bottom to top.
at number @I,,lead cable at the top of the pulley. 5) Adjust the tension of the cable; see �Adjusting the Tension of the Mirror cable:� 6) Adjust the position of the mirror; see �Adjusting the Position of the Mirror.�
2.
Adjusting the Tension of the Mirror Drive Cable
To adjust the tension of the mirror drive cable, loosen the fixing screw, and turn the adjusting screw to change the position of the pulley 0. Set the No.1 mirror mount on the home position side, and pull a point between 0 and @ with a spring gauge; Figure 4-205. Make adjustments so that the reading of the gauge is 800 to 900 g when the cable is pulled to the front of the machine by 20 mm.
No.2 mirror mount
No.1 mirror mount
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Scanner motor
Adjusting screw
Figure 4-205
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COPVRlGNl CANON INC. 0 l@i
CANON NP305013WO 1991 REV.1 OCT. PWED JAPAN AU IN (IMPRUE JAK�N)
4-9
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