CONTENTS

Chapter 1 PRODUCT DESCRIPTION

 

1.1 FEATURES

9

1.2 Differences between the Stylus C20 and the Stylus C40

9

1.3 SECIFICATIONS

10

1.3.1 Physical Specification

10

1.3.2 Printing Specification

10

1.3.3 Paper Feeding

11

1.3.4 Input Data Buffer

11

1.3.5 Electrical specification

11

1.3.6 Envirormental Condition

12

1.3.7 Reliability

12

1.3.8 Safety Approvals

12

1.3.9 Acoustic Noise

12

1.3.10 CE Marking

12

1.4 INTERFACE

13

1.4.1 USB Interface

13

1.4.2 Parallel Interface (Forward Channel)

13

1.4.3 Parallel Interface (Reverse Channel)

15

1.4.4 Prevention Hosts from Data Transfer Time-out

16

1.4.5 IEEE1284.4 Protocol

17

1.5 OPERATOR CONTROLS

18

1.5.1 Operate Switch

18

1.5.2 Control Panel

18

1.5.3 Panel Functions

18

1.5.4 Printer Condition and Panel Status

18

1.5.5 Printer Initialization

19

1.5.6 Errors

19

1.6 PAPER

20

1.6.1 Paper Handling

20

1.6.2 Paper Specification

20

1.6.3 Printing Area

21

1.7 INK CARTRIDGE

23

1.7.1 Black Ink Cartridge

23

1.7.2 Color Ink Cartridge

23

Chapter 2 Operating Principles

 

2.1 Overview

25

2.1.1 Printer Mechanism

25

2.1.2 Printhead

26

2.1.2.1 Printing Process

27

2.1.2.2 Printing Method

27

2.1.3 Carriage Mechanism

28

2.1.4 Paper Feeding Mechanism

30

2.1.5 Paper Loading Mechanism (ASF Unit)

31

2.1.6 Ink System Mechanism

35

2.1.6.1 Pump Unit & Wiper mechanism

35

2.1.6.2 Capping Mechanism

36

2.1.7 Ink Sequence

38

2.1.8 Printing mode

40

2.2 Electrical Circuit Operating Principles

41

2.2.1 C417 PSB/PSE board

41

2.2.2 C413 MAIN/B Board

43

2.2.2.1 Main elements

43

Chapter 3 Troubleshooting

 

3.1 Overview

45

3.2 Troubleshooting with LED Error Indications

46

Chapter 4 Disassembly and Assembly

 

4.1 Overview

57

4.1.1 Precautions

57

Page 6
Image 6
Epson C40UX service manual Contents