CIS ASSY is composed with CIS frame & CIS, spring pressing CIS to glass, side end wheel & guide
enabling ASSY to move smoothly and frame sub part that adhere with rail. If CIS ASSY is not assembled
properly, a problem may occur during CIS operation on image scanning, which can cause image quality
to decline. Also, flat bed scan skew may occur depending on how frame sub and CIS frame are
assembled and in reverse, skew adjustment is somewhat possible by adjusting assembly of two part
when skew occurs.
Drive ASSY is composed with motor, bracket, dampers isolating the motor vibration, one driving gear
reducing rotation, timing belt delivering driving force to CIS ASSY, belt pulley, pulley housing and spring
giving tension to timing belt. In order to eliminate noises due to resonance from certain speed on
operation, move the resonance section by adjusting timing belt’s spring and CIS spring tension to adjust
entire system’s tension.
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