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Appendix
A.1 Connector Summary........................................................................................... A-1 A.2 Connector Summary........................................................................................... A-2 A.3 EEPROM Address Map ....................................................................................... A-4 A.4 Circuit Board Component Layouts .................................................................... A-8 A.5 Exploded Diagrams........................................................................................... A-12

EPSON Stylus Color400 Service Manual

A.1 Connector Summary
Stylus Color 400 has the following primary component units;

Main Board(C206 Main) Power Supply Board (C206 PSB/PSE) Printer Mechanism
Figure A-1 below illustrates how these component units are connected.
AC

CN1 C206PSB (Power Supply Board) CN2 CN10 CN3 Control Panel

CN8 C206 MAIN (Main Board)

Parallel I/F

CN1 CN6

Serial I/F

CN2

CN7

CN11

CN5

CN4

PF CR Motor Motor PE Sensor HP Sensor ASF Sensor Printer Mechanism Print Head

Figure A-1. Cable Connection

Rev.A

A-1

Appendix

A.2 Connector Summary
Following tables show connector pin assignment of the C206 MAIN board. Table A-1. Connector summary of the C206 MAIN board Connector CN1 CN2 CN3 CN4 CN5 CN6 CN7 CN8 CN10 CN11 Function Parallel I/F connector Serial I/F connector ·ËControl panel ·ËPE sensor ·ËHP sensor ·ËCR motor ·ËPF motor ·ËPrint head ·ËPower supply board (C206 PSB) ·ËASF sensor Table to refer Chapter1/Table 1-10 Chapter1 Table A-2 Table A-3 Table A-4 Table A-5 Table A-6 Table A-7 Table A-8 Table A-9

Table A-2. Connector CN3 Pin 1 2 3 4 5 6 7 8 9 10 11 12 Signal Name LED0 GND LED1 GND LED2 +5V +5V LED4 SW1 PSC SW0 SW2 I/O Out ---Out ---Out ------Out In In In In Function LED drive signal (0) Ground LED drive signal (1) Ground LED drive signal (2) Logic power supply Logic power supply LED drive signal (4) Panel switch input (1) Power on/off switch Panel switch on/off (0) Panel switch on/off (2)

Table A-3. Connector CN4 Pin 1 2 3 Signal Name PE GND PEV I/O In ----Function Sensor detect signal Ground Sensor power supply(+5V)

Table A-4. Connector CN5 Pin 1 2 3 Signal Name HP GND HPV I/O In ----Function Sensor detect signal Ground Sensor power supply(+5V)

Table A-5. Connector CN6 Pin 1 2 3 4 Signal Name CRA CR-A CRB CR-B I/O Out Out Out Out Function Phase drive signal(A) Phase drive signal (-A) Phase drive signal (B) Phase drive signal(-B)

A-2

Rev. A

EPSON Stylus Color400 Service Manual

Table A-6. Connector CN7 Pin 1 2 3 4 Signal Name PFA PF-A PFB PF-B I/O Out Out Out Out Function Phase drive signal (A) Phase drive signal (-A) Phase drive signal (B) Phase drive signal(-B)

Table A-7. Connector CN8 Pin 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 Signal Name BCO CCO THM GND LAT GND SI3 GND SI2 GND CLK GND CLK GND NCHG GND VDD GND2 GND2 GND2 COM COM COM VHV VHV I/O In In In --Out --Out --Out --Out --Out --Out --------------------Function Black ink cartridge detect signal Color ink cartridge detect signal Thermistor detect signal Ground Head data latch pulse output Ground Head data output (3) Ground Head data output (2) Ground Head data output (1) Ground Clock pulse for head data transfer Ground Head all on pulse output Ground Logic power supply (+5V) Ground Ground Ground Head drive power supply Head drive power supply Head drive power supply Head drive voltage control signal Head drive voltage control signal

Table A-8. Connector CN10 Pin 1 2 3 4 5 6 7 8 Signal Name +42V +42V GND GND PSC GND GND +5V I/O --------Out -------Function Mechanism drive power supply Mechanism drive power supply Ground Ground Power supply switch output signal Ground Ground Logic power supply

Table A-9. Connector CN11 Pin 1 2 3 Signal Name ASF GND ASFV I/O In ----Function Sensor detect signal Ground Sensor power supply (+5V)

Rev.A

A-3

Appendix

A.3 EEPROM Address Map
Address 00H 01H 02H Explanation Password 0 Market 0:Word 1:Japan 2:Custom(MJ-) 3:Custom(Stylus Color) 4:Custom (other name) -40 n 40 (by 1/1440 inch) -36 n 36 (by 1/1440 inch) -36 n 36 (by 1/1440 inch) -4 n 4 (by G.A timer unit) Setting QPIT Settings 54H 0FH 00H Factory Settings (1)

03H 04H 05H 06H 07H 08H 09H 0AH 0BH 0CH 0DH 0EH 0FH 10H 11H 12H 13H 14H 15H 16H 17H 18H 19H 1AH 1BH 1CH

1st dot adjustment Bi-D adjustment data Uni-D adjustment Reserved Reserved Carriage speed adjustment data Reserved Head actuator rank ID for VhN Head actuator rank ID for Twhs Reserved Reserved Reserved Reserved Password 1 Custom EEPROM sub number

00H 00H 00H 00H 00H 00H 00H 12H 01H 00H 00H 00H 00H 5AH 0FH 00H 00H 00H 00H 00H 00H 00H 00H 00H 00H 00H

(1) (1) (1) (1) (1) (1) 00H 00H 00H 00H 00H 00H 00H 00H 00H

Reserved Reserved CPSI password

CPSI flags

bit7:CPSI license 0:Disable 1:Enable bit6:CPSI Font license 0:Disable 1:Enable

0:Auto 1:Parallel 2:Serial Note) change model name of IEEE1284 device ID. 1 Adjusted at factory. 2 Initialized after performed panel initialization of EEPROM.

1DH 1EH 1FH 20H 21H 22H

Reserved Reserved EEPROM Revision Password 2 Interface selection

00H 00H 42H 5AH 0FH 00H

00H2

A-4

Rev. A

EPSON Stylus Color400 Service Manual

Address 23H 24H 25H 26H 27H 28H 29H 2AH 2BH

Explanation Interface wait time Parallel I/F speed Reserved Reserved Print direction control CG table Reserved Auto LF/Network I/F mode Panel mask function

Setting 0 to 255 (by second) 0:High speed 1:Normal

0:Bi-D 0:PC437

1:Uni-D 1:PC850

2:Auto

bit1:Network I/F mode (0=off, 1=on) bit0:Auto line feed (0=off, 1=on) bit5:Extedned settings bit2:Cleaning bit1:Replace I/C bit0:Load/Eject

QPIT settings 0AH 00H 00H 00H 02H 00H 00H 00H 00H

Factory settings 0AH 00H 02H (1) 00H 00H

2CH 2DH 2EH 2FH 30H 31H 32H 33H 34H 35H 36H 37H 38H 39H 3AH 3BH 3CH 3DH 3EH 3FH 40H 41H 42H

Reserved Reserved Reserved Reserved Password 3 Reserved Reserved Top margin Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved CR-phase of Home ERROR Number Password 4 Ink flags bit7:resrved bit6:black "one time" bit5:color "one time" bit4:Initial fill required bit3:reserved bit2:in cleaning seq. bit1:black CL required bit0:color CL required bit2:YMC cartridge changed and cleaned 0:first cartridge 1:changed bit1:Black cartridge changed and cleaned 0:first cartridge 1:changed bit0:Black cartridge changed and cleaned 0:with YMC cartridge 1:alone

42 to 44X360 (by 1/360 inch)

00H 00H 00H 00H 5AH 0FH 00H 00H 78H 00H 00H 00H 00H 00H 00H 00H 00H 00H 00H 00H 5AH 0FH 00H

78H 00H 00H 00H 10H

43H

Ink flags 2

00H

00H

Rev.A

A-5

Appendix
Address 44H 45H 46H 47H 48H 49H 4AH 4BH 4CH 4DH 4EH 4FH 50H 51H 52H 53H 54H 55H 56H 57H 58H 59H 5AH 5BH 5CH 5DH 5EH 5FH 60H 61H 62H 63H 64H 65H 66H 67H 68H 69H 6AH 6BH 6CH 6DH 6EH 6FH 70H 71H Explanation Ink Counter Cb(total) 1count=100(ng) Settings QPIT settings 00H 00H 00H 00H 00H 00H 00H 00H 00H 00H 00H 00H 5AH 0FH 00H 00H 00H 00H 00H 00H 00H 00H 00H 00H 00H 00H 00H 00H 5AH 0FH 00H 00H 00H 00H 00H 00H 00H 00H 00H 00H 00H 00H 00H 00H 5AH 0FH Factory settigs 00H 00H 00H 00H 00H 00H 00H 00H 00H 00H 00H 00H 00H 00H 00H 00H 00H 00H 00H 00H 00H 00H 00H 00H 00H 00H 00H 00H 00H2 00H2 00H2 00H2 00H2 00H2 00H 00H -

Ink counter CY(total) 1count=100(ng)

Ink counter Cy(total) 1count=100(ng)

Password 5 Ink counter Cc(total) 1count=100(ng)

Ink counter Csm(total) 1count=100(ng)

Ink counter Csc(total) 1count=100(ng)

Reserved Reserved Password 6 Ink counter Rb Ink counter Ry Ink counter A power off time CL time accumulated printing time 0:0 minute 1:15 minutes 2:30 minutes 3:60 minutes 4:90 minutes 5:120 minutes

Reserved Reserved Password 7

A-6

Rev. A

EPSON Stylus Color400 Service Manual

Address 72H 73H 74H 75H 76H 77H 78H 79H 7AH 7BH 7CH 7DH 7EH 7FH

Explanation customized model name

Setting string of counter strings of model field for Device ID

QPIT settings 00H 00H 00H 00H 00H 00H 00H 00H 00H 00H 00H 00H 00H 00H

Factory settings 00H 00H 00H 00H 00H 00H 00H 00H 00H 00H 00H 00H 00H 00H

Rev.A

A-7

Appendix

A.4 Circuit Board Component Layouts

Figure A-2. C206 Main Board Component Layout

A-8

Rev. A

EPSON Stylus Color400 Service Manual

Figure A-3. C206 PSB Board Component Layout

Rev.A

A-9

Appendix

Figure A-4. C206 PSE Board Component Layout

A-10

Rev. A

EPSON Stylus Color400 Service Manual

Figure A-5. C206 PNL Component Layout

Rev.A

A-11

Appendix

A.5 Exploded Diagrams

Figure A-6.Stylus Color 400 Exploded Diagram (1)

A-12

Rev. A

EPSON Stylus Color400 Service Manual

Figure A-7. Stylus Color 400 Exploded Diagram (2)

Rev.A

A-13

Appendix

Figure A-8. Stylus Color 400 Exploded Diagram (3)

A-14

Rev. A