5. Adjusting Scanner Home PositionSelect ‘BRAKE_SC’ in service mode ().Insert a ruler into the hole in which the C.F.F.home position sensor is installed, and stop thescanner at home position. Change the settingusing the numeric keypad so that the position is37 ±2.5 mm from the left side plate; then, pressthe OK key.Figure 4-208B. Lens Drive AssemblyDo not turn on the power while the lens metalfixing of the lens stage is in place and do notmove the lens or the lens stage while the powerplug is connected; such can damage the gear ofthe output shaft for the zoom lens and the lensstage drive motor:1) At time of installing the machine, be sure toremove the lens metal fixing of the lens stagebefore connecting the power plug.2) Be sure to disconnect the power plug beforemoving the lens stage or the zoom lens byhand.In addition, take care to move it slowly.1. Removing the Lens Y Direction Drive Motor1) Remove the copyboard glass.2) Remove the two mounting screws q, and dis-connect the connector w; then, remove theoriginal sensor unit e.3) Remove the three mounting screws r, andremove the lens cover t.Figure 4-209]3]4. MECHANICAL SYSTEMCOPYRIGHT © 1996 CANON INC. CANON NP6085 REV.0 JULY 1996 PRINTED IN JAPAN (IMPRIME AU JAPON) 4-1737±2.5mm11 444 52 3
