Epson perfection 640u 사용자 설명서

EPSON Perfection 640U

2 -

 

EPSON Perfection 640U

10/00

Temperature

Operation: 41 to 95 °F (5 to 35 °C)
Storage: –13 to 140 °F (–25 to 60 °C)

Humidity 

Operation: 10% to 80%

(without

Storage: 10% to 85% 

condensation)

Operating 

Ordinary office or home conditions; avoid

conditions

extreme dust, direct sunlight, and strong
light sources. Make sure the outlet
provides enough power.

Safety standards

UL 1950
CSA C22.2 No. 950
EMC FCC part 15 subpart B class B

CSA C108.8 class B

Safety standards

EN 60950
EMC EN 55022 (CISPR Pub 22) class B

AS/NZS 3548 class B

230 V model

Low Voltage Directive 73/23/EEC 

EN 60950

EMC Directive 89/336/EEC

EN 55022 Class B
EN 50082-1

IEC 60801-2
IEC 60801-3
IEC 60801-4

Interface type

Universal Serial Bus Specification
Revision 1.1

Configuration

Electrical standard Full Speed mode (12Mbit/s) of 

Universal Serial Bus Specification
Revision 1.1

Connector type

One receptacle (Type B)

Connector pin arrangement

Initialization 

The scanner can be initialized (returned to 

methods

a fixed set of conditions) in the following
ways:

Configuration

Characteristics: Self-powered
Remote wake up feature: Not supported
Maximum power consumption from VBUS: 
2mA (5V)

Interface

No alternate setting
Number of endpoints used by this interface 
(excluding endpoint 0): 2
Class: Vendor specific

Endpoint 1

Bulk IN transfer
Maximum data transfer size: 64 byte

Endpoint 2

Bulk OUT transfer
Maximum data transfer size: 64 byte

String Descriptor

Language ID: US English
1: Manufacturer: “EPSON”
2: Product: “Perfection 640U”

1

VCC

2

–

DATA

3

+DATA

4

GND

Hardware 
initialization

* The scanner is plugged in.
* The USB cable is unplugged from the USB port

on the scanner.

Software 
initialization

* Software sends the ESC @ (initialize the scanner) 

command.

* The scanner receives a Bus Reset from the USB 

interface.