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Epson 680Pro Service Manual - Page 127

EEPROM Address Map, Table 7-9. EEPROM Address Map

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EPSON Stylus COLOR 680/777/777i 7.1.2 EEPROM Address Map Table 7-9. EEPROM Address Map Address Explanation Setting 00H Ink flag1 Bit7: CSIC Disable Bit6: black one-time Bit5: color one-time Bit4: Initial charge required Bit3: Reserved Bit2: ink cleaning seq. Bit1: black CL required Bit0: color CL required 01H Ink flag2 Bit7: Reserved Bit6: Black 1st Ink Cartridge Bit5: Color 1st Ink Cartridge Bit4: Bk CSIC changed Flag1 Bit3: YMC CSIC changed Flag1 Bit2: Reserved Bit1: Reserved Bit0: Reserved 02H Ink counter Cb 00H | 05H 06H Ink counter Cy 00H | 09H 0AH | 0DH Ink counter Cm 0EH Ink counter Cc | 11H QPIT Factory setting setting 00H 10H 00H 00H 00H 00H | | 00H 00H 00H 00H | | 00H 00H 00H 00H | | 00H 00H 00H 00H | | 00H 00H Revision B Table 7-9. EEPROM Address Map (continued) Address Explanation Setting QPIT Factory setting setting 12H Ink counter Clm | 15H 000H 00H | | 00H 00H 16H Ink counter Clc | 19H 00H 00H | | 00H 00H 1AH Ink counter A0 00H 00H*3 1BH 00H 00H*3 1CH Ink counter Rb0 00H 00H*3 1DH 00H 00H*3 1EH Ink counter Ry0 00H 00H*3 1FH 00H 00H*3 Appendix Connector Summary 127

Section	Page
PRODUCT DESCRIPTION	9
1.1 FEATURES	10
1.2 SPECIFICATIONS	11
1.2.1 Physical Specification	11
1.2.2 Printing Specification	11
1.2.3 Paper Feeding	12
1.2.4 Input Data Buffer	12
1.2.5 Electric Specification	12
1.2.6 Environmental Condition	13
1.2.7 Reliability	13
1.2.8 Safety Approvals	13
1.2.9 Acoustic Noise	13
1.2.10 CE Marking	13
1.3 INTERFACE	14
1.3.1 Parallel Interface (Forward Channel)	14
1.3.2 Parallel Interface (Reserve Channel)	17
1.3.3 USB Interface	18
1.3.4 Prevention of Data Transfer Time-out	19
1.3.5 Interface Selection	19
1.3.6 IEEE1284.4 Protocol	19
1.4 OPERATOR CONTROLS	20
1.4.1 Operating Switch	20
1.4.2 Control Panel	20
1.4.2.1 Switches	20
1.4.2.2 Indicators	20
1.4.3 Panel Functions	21
1.4.4 Printer Condition and Panel Status	22
1.4.5 Printer Initialization	22
1.4.6 Errors	23
1.5 PAPER	24
1.5.1 Paper Handling	24
1.5.2 Paper Specification	24
1.5.2.1 Cut Sheet	24
1.5.2.2 Transparency, Glossy Paper	24
1.5.2.3 Envelope	24
1.5.2.4 Index Card	25
1.5.3 Printing Area	26
1.5.3.1 Cut Sheet	26
1.5.3.2 Envelopes	27
1.6 INK CARTRIDGE	28
1.6.1 Black Ink Cartridge	28
1.6.2 Color Ink Cartridge	28
Operating Principles	29
2.1 Overview	30
2.1.1 Printer Mechanism	30
2.1.2 Printhead	31
2.1.2.1 Printing Process	32
2.1.2.2 Printing Method	32
2.1.3 Carriage Mechanism	33
2.1.4 Paper Feeding Mechanism	34
2.1.5 Paper Loading Mechanism (ASF Unit)	35
2.1.6 Ink System Mechanism	38
2.1.6.1 Pump Unit & Wiper mechanism	38
2.1.6.2 Capping Mechanism	39
2.2 Electrical Circuit Operating Principles	40
2.2.1 C383 PSB/PSE board	40
2.2.2 C383 MAIN Board	43
2.2.2.1 Main elements	44
2.2.2.2 Printhead Driver Circuit	45
2.2.2.3 PF Motor (PF/ PUMP/ ASF Motor) Driver Circuit	46
2.2.2.4 CR Motor Driver Circuit	46
2.2.2.5 Reset Circuit	47
2.2.2.6 EEPROM Control Circuit	47
2.2.2.7 Sensor Circuit	48
Troubleshooting	49
3.1 Overview	50
3.2 Troubleshooting with LED Error Indications	51
Disassembly and Assembly	61
4.1 Overview	62
4.1.1 Precautions	62
4.1.2 Tools	63
4.1.3 Work Completion Check	64
4.2 Disassembly	65
4.2.1 Housing removal	66
4.2.2 Operation Panel removal	67
4.2.3 Printhead removal	68
4.2.4 CR motor removal	71
4.2.5 Waste drain ink pad unit removal	73
4.2.6 Circuit board removal	75
4.2.7 LD Roller removal	79
4.2.8 HP/PE Sensor removal	83
4.2.9 Ink system unit removal (Cap & Pump unit )	85
4.2.10 Paper Eject Roller removal	87
4.2.11 PF motor removal	89
4.2.12 CR unit removal	91
4.2.13 Paper feed roller removal	94
4.2.14 Disassembling ASF frame unit	97
Adjustment	100
5.1 Overview	101
5.1.1 Required Adjustment	101
5.1.2 Adjustment Program feature	102
5.1.3 Adjustment Program Installation Procedure	103
5.1.4 Adjustment Program Initial Setting menu	103
5.1.5 Head ID Input	103
5.1.6 Bi-D Adjustment	105
5.1.7 USB ID input	107
5.1.8 Head Cleaning Operation	109
5.1.9 Initial Ink Charge Operation	110
5.1.10 Refurbishment for DOA	111
5.1.11 Protection Counter Check/Reset	112
5.1.12 Check pattern printing	114
5.1.13 EEPROM check function	115
5.1.14 CSIC Information	116
Maintenance	117
6.1 Overview	118
6.1.1 Cleaning	118
6.1.2 Service Maintenance	119
6.1.3 Lubrication	119
Appendix	123
7.1 Connector Summary	124
7.1.1 Major Component Unit	124
7.1.2 EEPROM Address Map	127
7.2 Component Layout	131
7.3 Exploded Diagram	133
7.4 Parts List	138

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EPSON Stylus COLOR 680/777/777i

Revision B

Appendix

Connector Summary

127

7.1.2 EEPROM Address Map

Table 7-9. EEPROM Address Map

Address

Explanation

Setting

QPIT

setting

Factory

setting

00H

Ink flag1

Bit7: CSIC Disable

Bit6: black one-time

Bit5: color one-time

Bit4: Initial charge required

Bit3: Reserved

Bit2: ink cleaning seq.

Bit1: black CL required

Bit0: color CL required

00H

10H

01H

Ink flag2

Bit7: Reserved

Bit6: Black 1

Ink Cartridge

Bit5: Color 1

Ink Cartridge

Bit4: Bk CSIC changed Flag1

Bit3: YMC CSIC changed Flag1

Bit2: Reserved

Bit1: Reserved

Bit0: Reserved

00H

02H

05H

Ink counter Cb 00H

00H

06H

09H

Ink counter Cy 00H

00H

0AH

0DH

Ink counter Cm

00H

0EH

11H

Ink counter Cc

00H

12H

15H

Ink counter Clm

000H

00H

16H

19H

Ink counter Clc

00H

1AH

Ink counter A0

00H

00H*3

1BH

00H

00H*3

1CH

Ink counter Rb0

00H

00H*3

1DH

00H

00H*3

1EH

Ink counter Ry0

00H

00H*3

1FH

00H

00H*3

Table 7-9. EEPROM Address Map (continued)

Address

Explanation

Setting

QPIT

setting

Factory

setting