Toshiba 4560 Service Manual page 69

Lens motor
Gear (G18)...motor axis
Gear/pulley (G88/TP16)
Timing belt (pitch length: 810)
Lens unit
Immediately after the power is switched ON:
• If the lens/mirror switch is ON, the lens unit is transported to the exit side. Then the mirror unit is
transported to the feed side, and it is positioned for actual size copying.
• If the lens/mirror switch is OFF, the switches are turned ON by the lens unit, then the mirror unit in
that order and both units are positioned for actual-size copying.
When the reproduction ratio is selected, the lens unit and the mirror unit are positioned accordingly using
the actual-size position as the starting (standard) position.
7.3.3 Document motor
The front and rear copy area indicators are set at home position, that is, for maximum width, via the
timing belt. When the paper size or reproduction ratio is changed, the indicators are positioned for the
specified size and the original setting position is indicated on the glass.
7.3.4 Optical fan motor
Stops during standby and rotates during copying, and cools the optical section.
Nov. 1997 © TOSHIBA
Mirror motor
Gear (G18)...motor axis
Gear (G88/G10)
Rack gear (G22)
Mirror unit
7 - 7 4560/4570 OPTICAL