Toshiba e-STUDIO556 Service Manual page 108

3.9.4 Description of Operation
[ 1 ] Scanning operation
Wire pulley
Motor speed-reduction pulley
• Scanning an original on the original glass
This motor drives the carriages-1 and -2 through the timing belt and carriage wire. First, the scan
motor (M1) drives carriages-1 and -2 to their respective home positions. The home position is
detected when carriage-1 passes the carriage home position sensor (S6). When the [START] key is
pressed, both carriages start to move and scan the original on the glass.
• Scanning an original on the RADF
Carriage-1 stays at the shading position during the shading correction, and at the scanning position
during the scanning operation.
e-STUDIO556/656/756/856/557/657/757/857
OUTLINE OF THE MACHINE
Carriage wire
Scan motor
Motor pulley
Fig. 3-41
3 - 62
Carriage-1
Pulley for carriage-2
Carriage-2
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Idler pulley