Epson Stylus COLOR 3000 Service Manual - Page 155

A.1.1 Connector Pin Assignment, Circuit Board, Connector, Pin No., Description

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EPSON Stylus COLOR 3000 A.1.1 Connector Pin Assignment Table A-1 shows the locations and descriptions for the connectors on the circuit boards in this printer. Tables from A-2 to A-13 show the pin assignment for each connector. Circuit Board C203 MAIN-B Board C172 PSB/PSE Board C203 PNL Board Table A-1. Connector Summary Connector No. CN1 CN2 CN3 CN4 CN5 CN6 CN7 CN8 CN9 CN10 CN11 CN12 CN13 CN14 CN15 CN16 CN17 CN18 CN20 CN21 CN22 CN23 CN1 CN2 CN1 Pin No. 36 36 2 2 2 3 4 5 2 3 6 4 4 4 9 8 26 24 4 26 5 4 2 9 26 Description Parallel I/F (Refer to Section 1.3.1 and 1.3.2.) Type-B I/F (Refer to Section 1.3.4.) Release sensor Front PE sensor Rear PE sensor HP sensor Ink end/Cartridge sensor (Magenta) ASF PW sensor Platen gap sensor ASF PQ sensor ASF PL sensor Ink end/Cartridge sensor (Yellow) Ink end/Cartridge sensor (Cyan) Ink end/Cartridge sensor (Black) DC input from the C172 PSB/PSE board Power off signal Mac Serial I/F (Refer to Section 1.3.3.) C203 PNL Board Color head Pump motor Black head CR motor PF motor AC power input DC power input To C203 MAIN-B board A-2 Rev. A

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EPSON Stylus COLOR 3000
Rev. A
A-2
A.1.1 Connector Pin Assignment
Table A-1 shows the locations and descriptions for the connectors on the circuit boards in this printer.
Tables from A-2 to A-13 show the pin assignment for each connector.
Circuit Board
Connector
No.
Pin No.
Description
C203 MAIN-B Board
CN1
36
Parallel I/F (Refer to Section 1.3.1 and 1.3.2.)
CN2
36
Type-B I/F (Refer to Section 1.3.4.)
CN3
2
Release sensor
CN4
2
Front PE sensor
CN5
2
Rear PE sensor
CN6
3
HP sensor
CN7
4
Ink end/Cartridge sensor (Magenta)
CN8
5
ASF PW sensor
CN9
2
Platen gap sensor
CN10
3
ASF PQ sensor
CN11
6
ASF PL sensor
CN12
4
Ink end/Cartridge sensor (Yellow)
CN13
4
Ink end/Cartridge sensor (Cyan)
CN14
4
Ink end/Cartridge sensor (Black)
CN15
9
DC input from the C172 PSB/PSE board
Power off signal
CN16
8
Mac Serial I/F (Refer to Section 1.3.3.)
CN17
26
C203 PNL Board
CN18
24
Color head
CN20
4
Pump motor
CN21
26
Black head
CN22
5
CR motor
CN23
4
PF motor
C172 PSB/PSE Board
CN1
2
AC power input
CN2
9
DC power input
C203 PNL Board
CN1
26
To C203 MAIN-B board
Table A-1. Connector Summary