Tpu Carriage Unit Outline; Tpu Carriage Drive Mechanism Operation - Epson Perfection V500 Photo Service Manual

EPSON Perfection V500 Photo

2.1.3 TPU Carriage Unit Outline

The TPU Carriage Unit consists of the LM-B Board and SUB-C Board. (Refer to
Fugure 2-5.)
Rear
Front
LM-B Board
Figure 2-5. TPU Carriage Unit Configuration
LM-B Board/SUB-C Board: each contain LEDs to generate visible and infrared light.
OPERATING PRINCIPLES

2.1.4 TPU Carriage Drive Mechanism Operation

The TPU Carriage Unit slides along the guide shaft in the secondary scanning direction
as the TPU CR (Carriage) Motor transmits its drive power to the TPU CR Timing Belt
connected to the TPU Carriage Unit, via the Idle Pulley and Drive Pulley. (Refer to
Fugure
control.
SUB-C Board
Engine Operation Outline
2-6.) The TPU CR Motor uses a stepper motor and is driven under open loop
TPU CR Timing Belt
Front
Rear
Drive Pulley
Figure 2-6. TPU Carriage Operation
Revision A
TPU Carriage Unit
Idle Pulley
21