Toshiba e-studio550 Service Manual page 88

6. 3. Operation
6. 3. 1. Scanner motor
Scanner motor
Wire pulley
Ø30.83 2GT-Z84
(a) Scanning original on original glass
This motor drives the carriages-1 and -2 through the timing belt and carriage wire. The scanner motor
first drives carriages-1 and -2 to their respective home positions. The home positions are detected
when carriage-1 passes the home position sensor. When the [START] key is pressed, both carriages
start to move and scan the original on the glass.
(b) Scanning original on RADF
Carriage-1 stays at the shading position during the shading correction, and at the scanning position
during the scanning operation.
e-STUDIO550/650/810 SCANNING SECTION
Carriage wire
Motor pulley
2GT-Z24 2GT-Z24
6 - 4
Carriage-1 Pulley for carriage-2
Ø20
Carriage-2
JUNE 2002 © TOSHIBA TEC
Idler pulley
Ø20