Description Of Operation - Toshiba e-STUDIO281c Service Manual

6.4

Description of Operation

6.4.1 Scan motor (M1)
Motor speed-reduction pulley
• Scanning of an original placed on the original glass
This motor drives the carriages-1 and -2 through the timing belt and carriage wire. First, the scan
motor drives the carriages-1 and -2 to their respective home positions. The home positions are
detected when the carriage-1 passes the home position sensor (S6). When the [START] button is
pressed, the both carriages start to move and scan the original on the glass.
• Scanning of an original placed on the RADF
The carriage-1 stays at the shading position during shading correction, and at the scanning posi-
tion during scanning operation.
• Scanning velocity
The scanning velocity at color modes is reduced to a half of it at the Black Mode.
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Scan motor
Wire pulley
Motor pulley
Fig. 6-6
6 - 5
Carriage-1
Carriage-2
Idler pulley
e-STUDIO281c/351c/451c
SCANNER
6