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Epson Stylus Color 400, Service Manual

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EPSON Stylus Color 400 Service Manual

Rev. A

1-1

1.1 Features

Stylus Color 400 is designed for PC users at home and low price for that high performance.
Also, this printer has the same high color print quality(720X720dpi) as Stylus ProXL. The major printer
features are;

High color print quality

720(H) x 720(V) dpi printing

4 color printing (YMCBk)

Traditional and New Microwave

Black 64 nozzles, CMY 21 nozzles (Black=180dpi, CMY=90dpi)

During 360 dpi printing, 1 dot is fired by 2 shots and 1 dot is fired by 1 shot during 720 dpi
printing.

Built-in auto sheet feeder

Holds 100 cut-sheets (55g/m

2

)

Holds 10 envelopes

Holds 10 transparency films

Holds 65 special papers

High-speed print

200cps

By using head drive frequency 14.4KHz, printing speed is twice faster
than Stylus Color.

Compact size

Non-operating : 429mm(W) x 234mm(D) x 162mm(H)

Operating

: 429mm(W) x 695mm(D) x 309mm(H)

Weight

: 5.2Kg(without cartridge)

Acoustic noise

Approximately 45 dB

Bi-directional parallel I/F(IEEE-1284 level 1 device)

One unit combined black and CMY head

Windows exclusive

The following table shows consumable and option.

Item

Code

Remark

Black Ink Cartridge

S020093

Color: Black

Color Ink Cartridge

S020089

Color: Cyan/Magenta/Yellow

EPSON 360 dpi Ink Jet Paper

S041025

Size: A4(200 sheets)

EPSON 360 dpi Ink Jet Paper

S041059

Size: A4(100 sheets)

EPSON 360 dpi Ink Jet Paper

S041060

Size: Letter(100 sheets)

Photo Quality Ink Jet Paper

S041026

Size: A4(200 sheets)

Photo Quality Ink Jet Paper

S041061

Size: A4(100 sheets)

Photo Quality Ink Jet Paper

S041062

Size: Letter

Photo Quality Ink Jet Paper

S041067

Size: Legal

Photo Quality Glossy Paper(New Release)

S041126

Size: A4

Photo Quality Glossy Paper(New Release)

S041124

Size: Letter

Photo Quality Glossy Film

S041071

Size: A4

Photo Quality Glossy Film

S041124

Size: Letter

Photo Quality Glossy Film

S041107

Size: A6

Ink Jet Transparencies

S041063

Size: A4

Ink Jet Transparencies

S041064

Size: Letter

Photo Quality Ink Jet Card

S041054

Size: A6

Photo Quality Ink Jet Card

S041121

Size: 5 x 8   inches

Photo Quality Ink Jet Card

S041122

Size: 10 x 8 inches

Photo Quality Self Adhesive Sheet

S041106

Size: A4

Table 1-1. Consumable

Summary of Contents for Stylus Color 400

Page 1: ...EPSON COLOR INK JET PRINTER EPSON Stylus Color 400 SERVICE MANUAL SEIKO EPSON CORPORATION 4007366 ...

Page 2: ...l However should any errors be detected SEIKO EPSON would greatly appreciate being informed of them The above notwithstanding SEIKO EPSON can assume no responsibility for any errors in this manual or the consequences thereof EPSON is a registered trademark of SEIKO EPSON CORPORATION General Notice Other product names used herein are for identification purposes only and may be trademarks or registe...

Page 3: ...UAL DO NOT CONNECT THE UNIT TO A POWER SOURCE UNTIL INSTRUCTED TO DO SO WHEN THE POWER SUPPLY CABLE MUST BE CONNECTED USE EXTREME CAUTION IN WORKING ON POWER SUPPLY AND OTHER ELECTRONIC COMPONENTS CAUTION 1 REPAIRS ON EPSON PRODUCT SHOULD BE PERFORMED ONLY BY EPSON CERTIFIED REPAIR TECHNICIAN 2 MAKE CERTAIN THAT THE SOURCE VOLTAGE IS THE SAME AS THE RATED VOLTAGE LISTED ON THE SERIAL NUMBER RATING...

Page 4: ...mponents of the printer CHAPTER 2 OPERATING PRINCIPLES Describes the theory of printer operation CHAPTER 3 DISASSEMBLY AND ASSEMBLY Includes a step by step guide for product disassembly and assembly CHAPTER 4 ADJUSTMENT Includes a step by step guide for adjustment CHAPTER 5 TROUBLESHOOTING Provides EPSON approved techniques for troubleshooting CHAPTER 6 MAINTENANCE Describes preventive maintenance...

Page 5: ...REVISION SHEET Revision Issued Data Contents Rev A February18 1997 First issue ...

Page 6: ...TABLE OF CONTENTS CHAPTER 1 GENERAL DESCRIPTION CHAPTER 2 OPERATING PRINCIPLES CHAPTER 3 DISASSEMBLY AND ASSEMBLY CHAPTER 4 ADJUSTMENT CHAPTER 5 TROUBLESHOOTING CHAPTER 6 MAINTENANCE APPENDIX ...

Page 7: ...ise 1 13 1 2 13 CE Marking 1 13 1 2 14 Printer Language and Emulation 1 13 1 3 Interface 1 15 1 3 1 Parallel Interface Forward Channel 1 15 1 3 2 Parallel Interface Reverse Channel 1 16 1 3 3 Prevention Hosts from Data Transfer time out 1 18 1 4 Control Panel 1 19 1 4 1 Indicators 1 19 1 4 2 Panel Functions 1 20 1 4 3 Printer Condition and Panel Status 1 22 1 5 Error Status 1 23 1 5 1 Ink Out 1 23...

Page 8: ...EE 1284 level 1 device One unit combined black and CMY head Windows exclusive The following table shows consumable and option Item Code Remark Black Ink Cartridge S020093 Color Black Color Ink Cartridge S020089 Color Cyan Magenta Yellow EPSON 360 dpi Ink Jet Paper S041025 Size A4 200 sheets EPSON 360 dpi Ink Jet Paper S041059 Size A4 100 sheets EPSON 360 dpi Ink Jet Paper S041060 Size Letter 100 s...

Page 9: ... by 2 pass for black and by 4 pass for CMY Print direction Bi direction with logic seeking Print speed and Printable columns character pitch and print quality 360 dpi printing mode 200 cps Head drive frequency 14 4KHz 720 dpi printing mode 200 cps Head drive frequency 14 4KHz About 80 columns 10 pitch High quality No draft mode Printable area available dot CR speed at Raster graphics mode Refer to...

Page 10: ...and CMY Paper holding capacity of Hopper Size Index card Legal Thickness Less than 8mm Paper capacity 100 Cut sheets 10 Envelopes 65 Coated papers 360 dpi 65 Coated papers 720 dpi 30 Glossy papers 10 Transparent sheets 30 Index cards Note Those numbers above should be considered as reference The actual paper accumulation should be considered first Character tables 2 international character sets No...

Page 11: ... only available at normal temperature 1 2 2 3 Envelope Size No 10 Width 241mm 9 1 2 x Length 104 8mm 4 1 8 DL Width 220mm 8 7 x Length 110mm 4 3 C6 Width 162mm 6 4 x Length 114mm 4 5 Thickness 0 16mm 0 006 0 52mm 0 02 Weight 45g m 2 12Ib 75g m 2 20Ib Quality Bond paper Plain paper Air mail Note 1 Envelope printing is only available at normal temperature Note 2 Keep the longer side of the envelope ...

Page 12: ... if there is any dirt caused by friction on the wavy or wrinkled paper this can be prevented by changing the lever position to rear position marked with in spite of paper types Paper Lever position PG adjustment value Normal paper Coated paper Front 0 mm 1 1mm between head and platen Envelopes Rear 0 9 mm 2 0mm between head and platen Table 1 3 Adjust Lever Settings Front Mark 0 Rear Mark CR Guide...

Page 13: ...m 8 5 3mm 0 12 3mm 0 12 3mm 0 12 14mm 0 54 Executive 190 5mm 7 5 254mm 10 3mm 0 12 3mm 0 12 3mm 0 12 14mm 0 54 Paper size PW Paper width typ PL Paper Length typ LM Left margin min RM Right margin min TM Top margin min BM Bottom margin min A4 210mm 8 3 297mm 11 7 3mm 0 12 3mm 0 12 3mm 0 12 14mm 0 54 Letter 216mm 8 5 279mm 11 0 3mm 0 12 3mm 0 12 3mm 0 12 14mm 0 54 B5 182mm 7 2 257mm 10 1 3mm 0 12 3m...

Page 14: ...lopes Paper size LM Left margin min RM Right margin min TM Top margin min BM Bottom margin min 10 3mm 0 12 28mm 1 10 3mm 0 12 14mm 0 55 DL 3mm 0 12 7mm 0 28 3mm 0 12 14mm 0 55 C6 3mm 0 12 3mm 0 12 3mm 0 12 14mm 0 55 Table 1 6 Printable Area for Envelope LM RM TM BM Printable area Figure 1 4 Printing Area for Envelope ...

Page 15: ...tance to vibration Operating 0 15G 10 55Hz X Y Z directions Non operating 0 50G 10 55Hz X Y Z directions with shipment container Note 1 During non operating make sure that the head is capped Note 2 During the transport make sure that the head is capped and ink cartridge is installed to the printer Note 3 If the head is not capped at the power off state turn the power on with installed ink cartridg...

Page 16: ... Direction X Y Z direction Time 1 hour Drop Sealed in package Dropping height Less than 0 08m Direction Drop the printer facing the bottom sides and one edge down Out of package Dropping height Less than 1 50m Frequency Once Dimension 19 8mm W x 52 7 D x 38 5mm H Weight Total ink cartridge 54g Total ink 16 4 0 5g Quantity in the ink cartridge Consumable ink More than 12 1g Useable ink quantity unt...

Page 17: ... 1 hour Drop Sealed in package Dropping height Less than 0 08m Direction Drop the printer facing the bottom sides and one edge down Out of package Dropping height Less than 1 50m Frequency Once Dimension 42 9mm W x 52 7 D x 38 5mm H Weight Total ink cartridge 68g Total ink 13 3 0 5g Quantity in the ink cartridge Consumable ink More than 10 1g each color Useable ink quantity until ink ends Note 1 I...

Page 18: ...olor 400 Service Manual Rev A 1 11 1 2 7 Physical Specification Dimension 429mm W x 234mm D x 162mm H 429mm W x 695mm D x 309mm H with extended stacker and paper support Weight 5 2Kg 1 2 8 Input Data Buffer 10 K byte ...

Page 19: ...ge AC220V 240V Input voltage range AC198 264V Rated frequency range 50 60Hz Input frequency range 49 5 60 5Hz Rated current 0 2 A Max 0 3A Power consumption Approx 15W ISO IEC 10561 Letter pattern Energy Star compliant Insulation Resistance 10M ohms min between AC line and chassis DC500V Dielectric strength AC1500 V rms 1 minute between AC line and chassis 1 2 10 Reliability Total print volume 10 ...

Page 20: ... codes Character mode General Operation Initialize Printer ESC Paper feeding Form Feed FF Line Feed LF Carriage Return CR Graphic mode General operation Initialize Printer ESC Unidirectional Printing ESC U CSF Mode Control ESC EM Paper feeding Form Feed FF Line Feed LF Line Spacing ESC Carriage Return CR Page format Page Length ESC C Top Bottom Margin ESC c Print position motion Horizontal Print P...

Page 21: ...Chapter1 Product Description Rev A 1 14 Color Printing color ESC r ESC r EEPROM control EEPROM control ESC ...

Page 22: ...gnal GND 1 Forward channel is the mode when the ordinary data such as an order to print is sent from the PC to the printer Pin No Signal Name Return GND pin In Out Functional Description 1 STROBE 19 In The strobe pulse Read in of data is performed at the falling edge of this pulse 2 9 DATA0 7 20 27 In The DATA0 through DATA7 signals represent data bits 0 to 7 respectively Each signal is at high le...

Page 23: ... side is connected to Signal GND 3 Reverse channel is the mode that any data is transferred from the printer to the PC Table 1 11 Pin Assignment for Reverse Channel Pin No Signal Name Return GND pin In Out Functional description 1 HostClk 19 In Host clock signal 2 9 Data0 7 20 27 In The DATA0 through DATA7 signals represent data bits 0 to7 respectively Each signal is at high level when data is log...

Page 24: ...ission after confirming that ACK and BUSY signals are Low Note5 It is possible to perform the printing test including interface circuit without using equipment from outside when 8 bit data signal 20 27 pin is set to appropriate word code and connect them forcefully to ACK and STRB Data Transmission Timing for Forward Channel Parameter Minimum Maximum tsetup 500ns thold 500ns tstb 500ns tready 0 tb...

Page 25: ...ing for Reverse Channel The figure below shows timing chart of Parallel Interface Reverse channel 1 3 3 Prevention Hosts from Data Transfer time out Generally hosts abandon data transfer to peripherals when a peripheral is in the busy state for dozens of seconds continuously To prevent hosts this kind of time out the printer receives data very slowly several bytes per minute even if the printer is...

Page 26: ...00 1 4 1 Indicators 1 Power Lights when the operate switch is ON and AC power is supplied 2 Paper out Lights during the paper out condition and blinks during the paper jam condition 3 Ink Out Black Lights during no Black ink condition and blinks during the Black ink low condition 4 Ink Out Color Lights during no Color ink condition and blinks during the Color ink low condition Paper Out LED Ink Ou...

Page 27: ...return carriage from Ink Cartridge change position Note 3 seconds is required at the User s manual This function is not available in printing status Panel Functions with Power ON Switch Function Load Eject Stars status printings Cleaning Changes a Code Page Load Eject Cleaning Enters the particular settings mode Factory use only To enter the particular settings mode it is necessary to push the cle...

Page 28: ...ation Be sure to replace a waste ink pad in the printer enclosure with a new one after you perform this maintenance error reset operation Step 1 By pushing Load Eject and Cleaning switches at the same time turn on the switch By operating this performance the LED for paper out starts blinking 3 seconds only Step 2 Push the cleaning switch while the LED for Paper Out is blinking 3 seconds Note If th...

Page 29: ... Blink 6 Ink Cartridge change mode Blink 5 Data processing Blink 8 Paper Out On 4 Paper jam condition Off Off Blink 3 No Ink cartridge or Ink end black On 7 Ink level low black Blink 7 No Ink cartridge or Ink end color On 7 Ink level low color Blink 7 Enter EEPROM and Timer IC reset On 1 second only On 1 second only On 1 second only Maintenance request Blink Blink Blink Blink 2 Fatal error Blink O...

Page 30: ... ink itself since the ink itself in the cartridge is deaerated during the production process However this absorbing ability can last only about one hour after the cartridge is installed Step 2 Even after the bubble absorbing ability described above stops there is no worry about entering bubbles as long as the ink cartridge is being installed to the printer However if the ink cartridge which does n...

Page 31: ...on The ink quantity that is absorbed by the absorber waste ink pad is monitored by the software counter as total ink counter This counter is added by point system and absorber s maximum ability is set at the following reference value 29500 X 0 0102 ml Approximately 301 ml 1 point 0 0102 ml the value which is multiplied evaporating rate and 1 dot ink weight 0 02 ml 29500 Maximum point number Mainte...

Page 32: ...lel interface When printer is initialized following action is performed a Cap the printer head b Eject a paper c Clears input data buffer d Clears print buffer e Sets default values 3 Software initialization The ESC command also initialize the printer When printer is initialized following action is performed a Clears print buffer b Sets default values 1 7 Initialization Settings Stylus Color 400 i...

Page 33: ...lack and CMY Nozzle configuration for black is 64 nozzles each line has 90 dpi and between 1 2 has 180dpi On the other hand CMY nozzle has 21 nozzles 90dpi for each color Following figure shows exterior of mechanism 1 8 2 C206 Main Control Board C206 main control board controls Stylus Color 400 and consists of following major electric elements 1 CPU TMP95C061F 5 EEPROM 3strings Serial Type 1K bit ...

Page 34: ...ter the power switch is turned off Using this time difference even when mis operation is done by the user such as turning off the power during the middle of printing work it prevents thickened ink from attaching around the nozzle plate by transferring the head to cap position 1 8 4 C206PNL Panel Board Panel board C206 PNL board is located in the panel case where is in the right bottom of the front...

Page 35: ...nd Pump Mechanism 11 2 1 1 4 Ink System 14 2 1 1 4 1 Pump Mechanism 15 2 1 1 4 2 Cap Mechanism 17 2 2 Electrical Circuit Operating Principles 18 2 2 1 C206 PSB PSE Power Supply Board 19 2 2 2 C206 MAIN Board 21 2 2 2 1 Reset Circuits 23 2 2 2 2 Sensor Circuits 24 2 2 2 3 EEPROM Control Circuits 25 2 2 2 4 Timer Circuit 26 2 2 2 5 DRAM Control 26 2 2 2 6 Print Head Control Circuit 27 2 2 2 7 PF Pum...

Page 36: ... at that time Also unlike previous print heads print head of this printer became one unit combined with black and CMY head Black head has 64 nozzles 180 dpi vertical direction and CMY head has 21 nozzles 90 dpi vertical direction Also since these print head is driven by frequency 14 4Khz this printer can print double resolution 1440 dpi 100 dpi than Stylus Color Following figure2 1 shows outline o...

Page 37: ...d Following explains print head PZT PZT is an abbreviation of Piezo Electric Element Print signal from C206 board is sent through the driver board on the print head unit and to the PZT Then the PZT pushes the top cavity which has ink stored and make the ink discharge from each nozzle located on the nozzle plate Cavity Set Ink which is absorbed from ink cartridge go through the filter and will be s...

Page 38: ... 2 Ejecting State When the print signal is output from the C206 main board IC IR2C72C Nozzle Selector located on the Print head unit latches the data once by 1 byte unit Appropriate PZT latched by nozzle selector is pushed into the cavity by applying common voltage from the C206 main board By this operation ink that is stored in the cavity pops out from nozzles Nozzle Nozzle Plate PZT Ink Course C...

Page 39: ...Weave and 2 Part line Overlap Micro Weave below Following explains operation outlines of new Micro Weave functions listed above 1 Full Overlap Micro Weave In order to print one line at horizontal direction this printing method is designed to complete a printing pattern by two pass carriage operation with two different types of dot When this two different types of dot pass one same line twice it do...

Page 40: ...t dot prints even dot lines and 2nd dot prints odd dot lines Eventually horizontal resolution will be the same resolution as selected one 2 Part Line Overlap Micro Weave This printing method is to perform Micro Weave printing overlapping a part of nozzles which are used for printing As a result a part of raster which is overlapped consists of different browse with different nozzles The figure belo...

Page 41: ...zle is determined as even and backward nozzle is odd Also nozzles other than particular nozzles can print at even and odd dot just by one nozzle 1 Overlap Nozzle Head drive frequency is driven half of the ordinal one like 2 below 2 Nozzle other than Overlap nozzle Head drive frequency is twice as much as overlap nozzle Usually the firmware changes over automatically these full overlap Micro Weave ...

Page 42: ...istance 7 8 Ohms 10 per phase under 25 C environment Driving speed frequency range csp pps 5 60 340 4080 Control method Bi Pola Drive Table 2 3 Motor Control at Each Mode Mode Driving speed CSP Drive frequency PPS Drive method High speed skip 340 4080 W1 2 2 2 1 2phase drive Printing Normal 200 2400 W1 2phase drive Printing SLQ 100 1200 W1 2phase drive Capping 80 960 W1 2phase drive Wiping 40 480 ...

Page 43: ...1 1 3 1 0 0 1 10 X 1 1 0 1 0 0 1 11 0 0 1 1 3 1 0 0 1 12 0 1 0 2 3 1 1 0 2 3 13 0 0 0 1 1 0 1 1 3 14 0 0 0 1 X 1 1 0 15 0 0 0 1 0 0 1 2 3 This W1 2 phase drive or 2W1 2 phase drive is called Micro step and is attached with so called 2 3 Vref or 1 3 Vref factor compared with drive current value Vref100 which is supplied at 2 2phase drive This Micro Step allows the rotor to have delicate rotation In...

Page 44: ...g time an ink on the print head surface gradually becomes viscosity As a result the nozzle will be unable to discharge an ink To make matters worse the holes crater of nozzle may be completely clogged by the viscosity ink and it may not be able to return to the normal condition just by cleaning operation In order to prevent this printer goes to carriage lock state at the following conditions After...

Page 45: ...ent value Normal paper Coated paper Front 0 mm 1 1mm between head and platen Envelopes Rear 0 9mm 2 0mm between head and platen It is a major premise that parallel adjustment is done correctly for the space between head and platen PG adjustment value above which can be changed by platen gap adjustment Parallel adjustment should be done when the serviceman mounts the carriage guide shaft on the pri...

Page 46: ...PF Motor Specification Item Description Motor type 4 phase 200 pole Stepping motor Drive voltage 42VDC 5 Coil Resistance 7 8 Ohms 10 per 1 phase under 25 C environment Drive frequency csp pps 400 4320Hz Control method Bi Pola Drive Table 2 8 Motor Control Method at Each Mode Mode Drive Method Drive Frequency Hz Pulse Space µs Paper feed A 2 2 phase 4320 231 Slight paper feed 1 2 phase 400 2500 Sli...

Page 47: ...or printing order is input from the PC PF motor rotates counterclockwise and makes the CAM rotate towards direction of 1 in the figure above Step 2 When the CAM covers the notch by the return lever that position is considered as home position being monitored by ASF sensor Step 3 When the CAM rotates toward 1 in the figure above the return lever is pushed by the notch of CAM and falls towards 2 At ...

Page 48: ...m pick up and multi feed prevention mechanism they are sent to the printer inside The papers picked up by paper roller in the ASF goes to between platen and roller support Also the eject roller pushes out the paper completely until the end and the roller support drops the paper in the eject tray The eject roller is driven with an eject paper notched roller as pair where is located on the paper eje...

Page 49: ...dels since Stylus Color 400 has no engage disengage mechanism to change over pump mechanism and paper feed mechanism it is one of the major characteristics that pump and platen are always at work whenever the PF motor is driven The figure below shows head positions when the ink system and various ink sequence are performed Head Cleaner Carriage Lock Pump Roller Cap Unit Platen Drive Gear Eject Rol...

Page 50: ...shows process of conveying motive power to the pump drive roller The process of conveying the motive power to the paper eject roller by rotating the pinion of PF motor is descried in figure 2 12 This motive power is conveyed to the Gear C through the Gear B In the figure above although the lever in order to drive Gear C carriage lock head cleaner mechanism is shown separately it is constructed as ...

Page 51: ...ration at clockwise and counterclockwise rotation In the ink absorptive operation such as cleaning flushing and initial ink charge except for printing operation ink in the ink cartridge drains to the waste ink absorber pad through the cap by the pump unit drive In case of printing and flashing drive ink is popped out by the PZT in the print head but in case of absorptive operation such as cleaning...

Page 52: ... cap mechanism stays in the position A in the figure above and are always closed In this condition the carriage collides with flag actual ink absorption and slight ink absorption are performed Also by moving the carriage to further right side and colliding the flag for opening the valves with the frame negative pressure is released in the state that head surface and cap are adhered This makes it p...

Page 53: ... in this section The head drive board is installed in the head unit on the carriage The figure below shows major connection of the 3 boards and their roles PF MOTOR Pump Motor CR Motor RCC Switching Regulator C206 PSB PSE Board 5 V DC C206 Main Control Board C206 Main Board AC100V INK END Sensor Firm Wear PE Sensor BCO CCO Sensor ASF Lever Position Sensor Print Head Head Drive Board Thermistor 42 ...

Page 54: ...C and 5 V is explained below 1 Regardless of the state of power switch On or OFF the voltage is always applied in the primary side of the power supply board from the moment or at the state that AC plug is plugged in At this time F1 plays a role of preventing AC100V from coming into the F1 L1 and R1 R2 also prevent high harmonic wave noise generated in the RC circuit filter which consist of C1 C4 a...

Page 55: ...is monitored by a 5VDC generation switching control IC IC51 which also monitors the output voltage This information is input to the internal comparator and stabilizes 5V line Also operation of the secondary side switch is explained below 1 When the power is turned on Q1 repeats ON OFF automatically along with the increase and decrease of energy on the trans coil at the primary side While the power...

Page 56: ...ch motor performs data transmission W1 2 phase that motives Micro Step Head voltage control In the ink jet printers drive voltage wave form trapezoidal wave form in order to drive PZT is formed in the various shapes according to the types of the printers Therefore it is necessary to form appropriate drive form for each head Head voltage control forms necessary wave form for each control signals an...

Page 57: ... the printer possesses to the host Common Driver IC The trapezoidal wave form circuit for head drive is became to HIC from the previous discreate structure Because of this it is not necessary to adjust the adjustable VR on the board during production process Various electric charge discharge control signals are all processed in the HIC CR PF Motor Drive Circuit Constant current drive is performed ...

Page 58: ...page PST592 IC8 The actual operation of the circuit is to keep outputting Low signal until 5V line goes up to 4 2V when the power is on and to cancel the reset signal with output of High signal when the voltage goes up more than 4 2V M51955 IC9 This IC also performs as monitor on the power line same as the reset IC for logic described above High Low is judged at the 33 2V Relation between IC8 and ...

Page 59: ...rmistor Sensor A thermistor sensor keeps stable printing quality changing PZT drive voltage VH slightly according to changes of environmental temperature Cartridge Sensors Cartridge sensors are built into the Bk CMY cartridge on the carriage unit respectively to determine if the cartridge is installed or not when it is exchanged or the power is turned on In case of Stylus Color 400 the counter is ...

Page 60: ...stination information Information of various adjustment values Bi D VH voltage etc CPSI pass word Other various setting values by the user EEPROM is connected to the Gate array by 4 lines and performs following functions The figure below shows EEPROM control circuit CS Chip selection signal CK Data synchronism clock pulse DI Data writing line serial data at power off DO Data reading line serial da...

Page 61: ... form it is processed into the pulse form in the Timer IC When the printer is turned on the Timer IC outputs power off time as serial data to the gate array Once the printer is turned off 3VDC of BAT1 lithium battery is supplied as power source for he Timer IC through D7 Since 5V at the power on is higher than 3V of the lithium battery the power is not being consumed from the lithium battery 2 2 2...

Page 62: ...ine which nozzle should be used The Nozzle Selector is attached to the head unit just like the previous models The common drive circuit is sumed as one HIC and mounted on the C206 main board Common drive circuit The shape of trapezoidal wave form will be different according to the printing operation slight vibrations at the non printing nozzle and waiting condition However IC6 H8D2813 generates al...

Page 63: ...ce of serial communication is commonly used for both black and CMY The serial data transmits data as 64 Clock unit synchronizing with this pulse After the data transmission of 64 Clock is completed LAT Latch signal is activated and is hold temporarily in the IR2C72C At this time since the number of nozzle for Color head is fewer 21 nozzle and different from the ones for black head 0 is transmitted...

Page 64: ...wave form generated by the common drive circuit once sends electric current to the PZT for the proper nozzles which are determined in the nozzle selector circuit This motivates PZT and ejects the ink in the cavity The figure below shows normal dot data transmission timing in order to form 1 dot Figure 2 26 Timing Chart at the Generation of Normal Dot ...

Page 65: ...it and driver IC LB1845 First firmware possesses 16 ways of current values as current table out of combinations made by 5 resistance which are connected to the output ports 46 49 pin in the gate array On the other hand signals which are output by combination of these resistance s on off are input in the 26 and 17 pins HIC is driven at the same standard voltage for each A and B phase Actual on off ...

Page 66: ...nce circuit and driver IC LB1845 First 10 resistance which are connected to the output port 60 61pin 63 70pin of the gate array divide each current values of phase A and B in the CR motor The firmware possesses 16 different ways of current values individually as current table out of combinations made by 5 resistance which are connected to the output ports 46 49 pin in the gate array On the other h...

Page 67: ... 9 3 2 4 1 Removing the Print Head Unit 3 9 3 2 4 2 Removing the Absorber Tray Assembly A 3 11 3 2 4 3 Removing the Pump Assembly and Cap Assembly 3 12 3 2 4 4 Removing the CR Motor Assembly 3 14 3 2 4 5 Removing the PF Motor Assembly 3 16 3 2 4 6 Removing the ASF Assembly 3 18 3 2 4 6 1 Removing the Paper Feed Roller Assembly 3 19 3 2 4 6 2 Removing the Right and Left LD Roller Assembly 3 20 3 2 ...

Page 68: ... not heat the battery or put it near fire Do not solder on any part of the battery Doing so may result in leakage of electrolyte from the battery burning or explosion The leakage may affect other devices close to the battery Do not charge the battery An explosion may be generated inside the battery and cause burning or explosion Do not dismantle the battery The gas inside the battery may hurt your...

Page 69: ...Table 3 1 lists the tools recommended for disassembling assembling or adjusting the printer Use only tools that meet these specifications Tool Purchasable Code Philips Screw Driver No 2 Yes B743800200 Philips Screw Driver No 1 Yes B743800400 Tweezers Yes B741000100 Hexagon Box Driver Size 5 5mm Yes B741700100 3 1 3 Specification for Screws Table 3 2 below shows specifications for screws During ass...

Page 70: ...smoothly Checked Not necessary Does the paper get jammed Checked Not necessary Does the paper get skew during paper feeding Checked Not necessary Are papers multi fed Checked Not necessary Does the PF motor get overheated Checked Not necessary Abnormal noise during paper feeding Checked Not necessary Is the paper path clear of all obstructions Checked Not necessary Adjustment Pointed adjustment it...

Page 71: ...2 4 1 Remove the Absorber tray Assembly A 3 2 4 2 Remove the Pump Assembly Cap Assembly 3 2 4 3 Remove the CR Motor Assembly 3 2 4 4 Remove the PF Motor Assembly 3 2 4 5 Remove the ASF Assembly 3 2 4 6 Remove the CR Assembly 3 2 4 7 Remove the PF Roller Assembly 3 2 4 8 Remove the PE Paper Detector Assembly 3 2 4 9 Remove the HP Detector 3 2 4 10 Remove the LD Roller Assembly Right Left 3 2 4 6 2 ...

Page 72: ...he printer mechanism appears just by removing the housing 1 Open the printer cover and turn the PG adjustment lever towards side 2 Remove 4 screws No 2 securing the housing and remove the housing Uplift and remove the housing pulling it towards you Since it collides with carriage WORK POINT Housing No 2 Figure 3 2 Removing the Housing ...

Page 73: ...ter mechanism 5 When removing each board unit from the M B Shield plate remove each screw securing each units and shield plate C206 Main 10screws 7 No 1 screws 3 No 6 screws C206 PSB PSE 4screws No 1 Refer to the next page for the figure Also when removing the power supply board C206 PSB disconnect and also remove the cable connecting to the Main board CN6 7 and 10 with lock device Since connector...

Page 74: ...Chapter3 Disassembly and Assembly Rev A 3 7 M B Shield plate Power Supply Board C206 PSB Main Board C206 Main No 6 No 1 No 1 Figure 3 4 Removing the Boards ...

Page 75: ... the left panel housing 4 Remove two screws No 3 securing the panel board assembly and take C206 PNL board out of the panel assembly 5 Disconnect the FFC from the connector on the C206 PNL board Removing the operation panel also disconnects the stacker assembly since the operation panel holds the stacker assembly WORK POINT Stacker Assembly Left Panel Housing Panel Assembly Panel Shield Plate Pane...

Page 76: ...int head unit out of the carriage 7 Disconnect the FFC from the connector on the drive board built in the print head unit Make sure that earth board is installed to the carriage correctly There are 2 pins to determine the location When you built the print head into the carriage make sure that a pin to determine the location on the carriage side is put into the notch of the print head Since the ink...

Page 77: ...re 3 6 Removing the Print Head Print Head Carriage Assembly Make sure that protrusion of carriage is in the hole of the earth board This part should be touching the CR axis receiver Make sure that this protrusion is in the U ditch of the priht head side Figure3 7 Installing the Print Head ...

Page 78: ...located on the right side of the printer mechanism 4 On the same right side of the printer mechanism release the hook securing the absorber tray assembly A on the frame and remove it pulling it downward When installing the absorber tray assembly A make sure to fix it with spacer tray in the left side of the printer mechanism WORK POINT Spacer Tray No 4 Absorber Tray Assembly A Figure 3 8 Removing ...

Page 79: ...move the pump assembly moving it toward right direction Refer to figures on the next page Do not damage the rubber part black square of the cap installed in the cap assembly If it gets damaged it will not be able to attach closely with surface of the print head and may cause malfunction of operation When you deal with cleaner head built in the pump assembly for replacing be careful about following...

Page 80: ...elease three hooks from the interior of the right frame assembly Pump Assembly Cap Assembly Release a hook from the back of the printer mechanism and remove two protrusions from the subframe No 5 Figure 3 9 Removing the Cap and Pump Assemblies Head Cleaner Order of assembling the pump parts Figure 3 10 Component of Pump Assembly ...

Page 81: ...der and remove the timing belt from the pulley of the CR motor side 4 Remove two screws No 1 and take out the CR motor assembly After installing the CR motor assembly make sure that two peaking of motor bracket are in the holes for determing position on the frame Refer to the figure on the next page WORK POINT Driven Pulley Assembly Timing Belt Driven Pulley Holder Compression Spring 19 6 To the I...

Page 82: ...r3 Disassembly and Assembly Rev A 3 15 No 1 Make sure that protrusions of CR frame are in the holes of the frame when installing the CR motor assembly Figure 3 12 Removing and Installing the CR Motor Assembly ...

Page 83: ...ightly pulling it toward you Combination gear 8 8 21 6 Combination gear 8 14 4 Gear 36 4 Remove 3 hexagon nuts and take the PF motor assembly out When disassembling the PF motor assembly pull the motor assembly out of the frame a little bit and remove it sliding it into the bigger hole on the frame Refer to the figure next page Be careful for the direction of wires from the PF motor assembly Do no...

Page 84: ...Assembly Rev A 3 17 PF Motor Back side of the frame Direction of pulling the motor lead cable Set the pinion axis of PF motor to the bigger hole once and slide it to the smaller hole Figure 3 14 Installing the PF Motor Assembly ...

Page 85: ...emove the ASF assembly detaching peaking on the left side of ASF assembly from the frame holes When installing the ASF assembly make sure that the frame and ASF assembly are attached each other without any space Screws for ASF assembly should be used at the following positions Looking from the back of printer Right CR axis installation screw Left Screw No 7 Bind S tight Sems R2 with plane washers ...

Page 86: ...opper assembly by hand remove the cam part of hopper assembly from the right holes of ASF frame The procedures by here should disassemble right and left roller assembly and hopper assembly During disassembly and assembly of the hopper assembly do not let the grease on the cam parts attach to the other parts Wipe it if grease attached to the other parts Be careful for the direction of the hopper le...

Page 87: ...ixed hook of cover roller LD and remove the LD roller assembly When installing the LD roller assembly make sure that the hooks are hung on the paper feed assembly During assembly when setting the compression spring 1 66 to the spring installation position in the paper feed assembly hang the spring on the hook temporarily Also do not forget to release the hooks of these springs from the holes locat...

Page 88: ...port and remove the PG lever support and washer from the edge of CR guide axis Refer to the figure next page 7 Remove one screw No 7 and rotate the right parallelism adjustment bush so that it fits to the notch of the frame and remove it 8 Remove CR assembly with CR guide axis When disassembling the parallelism adjustment right bush mark present fixed location of the bush on the frame so that you ...

Page 89: ... Rev A 3 22 PG Support Lever Right Parallelism Adjustment Bush Washer Convex side should face to the bush side during installation Left Parallelism Adjustment Bush CR Guide Axis Carriage Assembly Figure 3 19 Removing the Carriage Assembly ...

Page 90: ...usion of axis white and hole for receiving the frame axis can match 8 Slide the PF roller assembly to the right direction and pull it out During disassembly and assembly of upper paper guide assemblies since one of the upper paper guide assemblies to be installed on the right side overlaps with the PE detector lever pay attention not to damage the lever Be careful not to damage the hook during the...

Page 91: ... Front Paper Guide B Eject Paper Roller Assembly Figure 3 21 Removing the Paper Eject Roller Assembly PF Roller Assembly Match the protrusion of PF roller assembly and hole of the frame for holding the axis Figure 3 22 Removing the PF Roller Assembly ...

Page 92: ...iding it upward Remove PE board assembly and PE lever if necessary During assembly make sure that the tip sensor part of the detector lever is in the hole of paper guide assembly WORK POINT After releasing two hooks remove the PE paper detector assembly sliding it upward PE Lever Torsion Spring 0 22 PE Board Assembly PE Holder This side should be installed on the frame From back side of the frame ...

Page 93: ...vice Manual Rev A 3 26 3 2 4 10 Removing the HP Detector 1 Remove the housing Refer to 3 2 1 2 Remove the cable from the HP detector and take it out after releasing the fixed hook HP Detector Figure 3 24 Removing the HP Detector ...

Page 94: ...ools 4 1 4 2 Adjustment 4 2 4 2 1 Parallel Adjustment 4 2 4 2 2 Adjustment by Adjustment Program 4 4 4 2 2 1 Specification of Adjustment Program 4 4 4 2 2 2 Initial Ink Charge Operation 4 5 4 2 2 3 VH Voltage Writing Operation 4 6 4 2 2 4 Print Head Angle Adjustment 4 7 4 2 2 5 Bi D Adjustment 4 9 ...

Page 95: ...n Adjustment Procedure 1 Exchange or Removal of Print head 1 Perform Vh voltage writing operation Only when the print head is exchanged 2 Perform initial ink charge 3 Perform print head angle adjustment 4 Perform Bi d Adjustment 2 Exchange of C206 Main Board 1 Perform Vh voltage writing operation 2 Perform Bi d adjustment 3 Exchange or Removal of Carriage Unit 1 Perform parallel adjustment 2 Perfo...

Page 96: ...gage moves with the carriage when you move the carriage 20mm back and forth in right and left direction Gap will be narrowed 6 From the state of the thickness gage moves with carriage movement move the gear for locating the position of the right parallelism adjustment bush one serration toward you Gap will be widen 7 In the state that PG lever is set front gap is small and rear side respectively m...

Page 97: ...age flat on the flat side of lib Also match the center of the thickness gage and flat side of the lib Figure 4 1 Setting of the Gage at Parallel Adjustment Frame PG Lever Parallelism Adjustment Bush Standard Position Mark Front Gap will be widened Rear Gap will be narrowed 0 Figure 4 2 Parallel Adjustment Print Head Side Cleaner Head Overlap amount More than 0 5mm Figure 4 3 Overlap of Head Surfac...

Page 98: ...tment program 4 2 2 1 Specification of Adjustment Program Adjustment Program Program name J80C10E is to set various correct values in order to prevent development of malfunction and fluctuation of printing quality and printing function by dispersion of components and assembly when the printer components are exchanged during the repair service Basic adjustment procedure by using this program are fo...

Page 99: ...procedures below 1 Connect the printer and PC and turn on the printer Install the newly just opened black and color ink cartridge When C206 main board is exchanged it is not necessary to perform initial ink charge by the program since initial ink charge is performed automatically at this point 2 Insert the disk of adjustment program to the floppy disk drive of PC Type Load a J80C10E and press the ...

Page 100: ...m to the floppy disk drive of PC Type Load a J80C10E and press the return key 4 After running the adjustment program press the return key on the menu Screen 1 indicated on the PC screen Then press the return key again on the Screen 2 5 Select 1 WORLD on the Customer Screen 3 6 Input 2 Cartridge on the ink supply method selection screen Screen 4 and press the return key Note Do not press 1 Jig at t...

Page 101: ... the printer and PC and turn on the printer Install the newly just opened black and color link cartridge If C206 main board is exchanged initial ink charge is performed automatically 2 Insert the disk of adjustment program to the floppy disk drive of PC Type Load a J80C10E and press the return key 3 After running the adjustment program press the return key on the Screen 1 of the menu indicated on ...

Page 102: ... magenta combination with the operation of the adjust lever 11 After changing the position of the adjust lever press Y key and return the carriage to the home position 12 Check again the combination pattern of black magenta after changing the position of the adjust lever 13 Repeat the procedures from 7 to12 until the combination pattern of black magenta comes to proper position 14 After completing...

Page 103: ...main screen Screen 6 select 4 Bi D Adjust After this three Bi D patterns are printed automatically back and forth as centering the presently set center value 8 Check the Bi D pattern and find out that the value should be adjusted to side or side Note At this time if the predicted value is quite different comparing the present center value change the center value by the following procedures Step8 1...

Page 104: ...EPSON Stylus Color 400 Service Manual Rev A 4 10 Screen 1 Screen 2 Screen 3 Screen 4 Screen 5 Screen 6 ...

Page 105: ...operate at power on 5 4 5 2 2 Error is detected 5 5 5 2 3 Failure occurs during printing 5 6 5 2 4 Printer does not feed the paper correctly 5 7 5 2 5 Control panel operation is abnormal 5 8 5 3 Unit Repair C206 PSB PSE Board 5 9 5 3 1 Unit Repair C206 Main Board 5 11 5 4 Repair of the Printer Mechanism 5 13 ...

Page 106: ...e than 2 4 V No paper Carriage home position sensor CN5 1 pin 2 pin Open less than 0 7 V Home position Close more than 2 4V Out of home position ASF phase Sensor CN11 1 pin 2pin Open less than 0 7 V Home position Close more than 2 4 V Out of home position Black cartridge sensor CN8 1 pin 18pin On 0 V Black cartridge out Off more than 2 4 V Black cartridge exit Color cartridge sensor CN8 2 pin 18 p...

Page 107: ...k end black On Install a new black ink cartridge by pressing load eject button for 3 seconds No Ink cartridge or Ink end color On Install a new color ink cartridge by pressing load eject button for 3 seconds Maintenance request Blink Blink Blink Blink Change the waste ink drain tank and reset the EEPROM Fatal error Blink On On Blink Turn on the printer and turn it on again If printer can not recov...

Page 108: ...wchart No Printer does not operate at power on LEDs do not light up Printer mechanism does not operate Section 5 2 1 Error is detected Error is indicated by LED indication Section 5 2 2 Failure occurs during printing Printing is not performed Abnormal printing missing dot etc Print quality is poor Section 5 2 3 Printer does not feed the paper correctly No paper is fed Paper feed is irregular Paper...

Page 109: ... Exchange the main board NO Input normal power supply NO Exchange the fuse Disconnect CN10 in the main board and turn the power on again YES Check output voltage of CN2 in the power supply board Exchange the power supply board Check the motor and head Refer to the repair item of the printer mechanism START END YES NO board opened YES Is the fuse opend again NO Figure 5 2 Flow Chart 1 ...

Page 110: ...ounter Refer to 1 4 2 NO NO Turn off the printer and move the carriage by hand Yes Exchange the ink cartridge with new one Yes Does error appear again Check ink cartridge sensor and exchange the head if it s ubnormal END Does the carriage move smoothly Yes Check CR motor Exchange the main board if there is no problem Is the problem solved Refer to 5 4 Repair of the printer mechanism END NO Yes NO ...

Page 111: ...e with new one and perform self test Is the problem solved Refer to 5 4 Repair of the printer mechanism Is the END END Is all cables connected to the main board Perform cleaning Connect cables Is the Refer to 5 4 Repair of the printer mechanism Is the END Replace the Main board NO YES NO NO YES YES NO YES YES NO YES NO YES NO YES Perform self test printing problem solved problem solved problem sol...

Page 112: ... and platen rotate Remove any obstruction in the paper path if there is any Perform cleaning for the roller of paper path Is the Is the PF motor running Refer to 5 4 Repair of the printer mechanism END Check the PF motor If there is no problem replace the main board END NO YES NO YES YES NO Set the paper correctly NO problem solved Figure 5 5 Flow Chart 4 ...

Page 113: ...nel operation is abnormal START Is the control panel connected correctly Connect the control panel correctly Is the problem solved Replace the control panel Is the problem solved END Replace the main board END YES NO NO YES NO YES Figure 5 6 Flow Chart 5 ...

Page 114: ...valuate the operation of each component Symptom Condition Cause Checkpoint Solution The printer does not operate at all 42V line is dead F1 is open Check F1 by using a tester Replace F1 Transformer coils are open Check the waveform at the drain of Q1 Replace T1 Switching FET Q1 is dead Check drain side Replace Q1 Feed back transistor Q2 Q3 are dead Check corrector side Replace Q2 or Q3 42 V line i...

Page 115: ...Rev A 5 10 Table 5 6 C206PSB Power Supply Board Continued Symptom Condition Cause Checkpoint Solution 5V line is dead IC51 L4962E is dead Check the oscillation 5 pin and switching 7 pin waveform of IC51 5 pin 7 pin Replace IC51 ...

Page 116: ...aveform of the 5V and Reset signal IC8 5 1 pin IC9 7 6 pin Replace IC8 or IC9 Control ROM is not selected correctly or it s dead If you can not find the waveform at 2 pin of IC3 the IC1 is dead and if you can not find it at 20 pin of IC3 the IC3 is dead Replace IC1 or IC3 RAM is not selected correctly or it s dead If you can not find the waveform at 29 14 pin of IC4 the IC1 is dead and if you can ...

Page 117: ... main board Replace IC6 Q7 or Q9 IC2 is dead Check the control signal of trapezoidal from IC2 at 80 pin of IC2 Replace IC2 Paper feed operation is abnormal Paper feed motor does not work IC2 is dead Check the output waveform of at 55 56 57 58 pin of IC2 Replace IC2 IC15 is dead Check the output waveform of at 6 7 8 9 pin of IC15 Replace IC15 Table 5 8 Repair of the C206 MAIN Board Continued ...

Page 118: ...e tube properly Pump bulb is not closed at absorption Check the bulb operation visually Replace the cap mechanism Abnormal carriage operation Abnormal carriage operation at power on Foreign substance in the CR drive gear Check visually if there is any substances or not Remove any foreign substances CR motor is defective Check the inner coil resistance and see if there is any disconnection of the c...

Page 119: ...form the cleaning operation several times and check printing If condition does not improve even after the cleaning replace the head I C is defective Install the new I C and perform self test Replace I C Black specks or dots The head FFC is out of connection Check if the head FFC on the board or carriage is connected surely Connect the FFC properly The head unit is detective Check connection with t...

Page 120: ...r by the cleaning sheet Replace the PF roller if it does not recover Printer stops during initialization Fatal error appears ASF sensor is defective Check the signal level of the ASF sensor Refer to Table 5 2 Replace ASF sensor PE sensor is defective Check the signal level of the PE sensor Refer to Table 5 2 Replace PE sensor HP sensor is defective Check the signal level of the HP sensor Refer to ...

Page 121: ...Chapter 6 Maintenance 6 1 OVERVIEW 6 1 6 1 1 Cleaning 6 1 6 1 2 Service Maintenance 6 1 6 1 3 Lubrication 6 2 ...

Page 122: ...r indicates MAINTENANCE ERROR perform the following operation to clear the error Head Cleaning The printer has a built in head cleaning function and is executable from the control panel 1 Confirm that the printer is in stand by state the POWER indicator is not blinking and hold down the cleaning button on the control panel for more than 3sec 2 The printer perform the built in cleaning sequence dur...

Page 123: ...ly it Lubricant Type G 26 Lubrication Amount A half turn of ROLLER PF 2 Lubrication Point Contact between PAPER GUIDE FRONT and each rollers 1 ROLLER PF 1 point 2 ROLLER EXIT 2 points Apply to the contact of a hook of PAPER GUIDE FRONT and each roller Do not put grease around the paper path Use a syringe to apply it Lubricant Type G 26 Lubrication Amount 1 10mm long 2 2mm long 3 Lubrication Point ...

Page 124: ...y 7 Lubrication Point Both Left Right Bush for ROLLER EXIT Do not put grease around the paper path Use a syringe to apply it Lubricant Type G 26 Lubrication Amount Evenly apply inside the bush 8 Lubrication Point Contact between HOLDER PULLEY DRIVEN and FRAME UPPER Verify that the holder slides only with a spring force after applying the grease Use a syringe to apply it Lubricant Type G 26 Lubrica...

Page 125: ...ad Use a precise syringe to apply it If accidentally apply too much oil to oil pad thrown it away and take a new oil pad again Leave oil pad for a while to wait until oil is evenly infiltrate and install it on the carriage assembly Lubricant Type O 8 Lubrication Amount 0 6cc Note that This is an amount to be applied new oil pad when replacing it Never apply oil to the CR guide shaft directly or ad...

Page 126: ...Chapter 6 Maintenance Rev A 6 5 No 1 No 2 10mm 2mm 2mm No 3 No 11 GEAR 34 ...

Page 127: ...EPSON Stylus Color 400 Service Manual Rev A 6 6 No 5 No 4 No 4 No 4 GEAR 23 2 GEAR 16 40 8 GEAR 67 2 COMBINATION GEAR 8 14 4 No 6 No 7 ...

Page 128: ...Chapter 6 Maintenance Rev A 6 7 No 8 HOLDER PULLEY DRIVEN No 9 No 10 HOPPER ASSEMBLY FRAME ASF ...

Page 129: ...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 ...

Page 130: ...Supply Board C206 PSB PSE Printer Mechanism Figure A 1 below illustrates how these component units are connected CN1 C206PSB Power Supply Board CN2 AC CN10 CN3 CN8 C206 MAIN Main Board CN1 CN2 CN6 CN7 CN11 CN5 CN4 Control Panel Print Head CR Motor PF Motor ASF Sensor HP Sensor PE Sensor Parallel I F Serial I F Printer Mechanism Figure A 1 Cable Connection ...

Page 131: ...l 1 4 GND Ground 5 LED2 Out LED drive signal 2 6 5V Logic power supply 7 5V Logic power supply 8 LED4 Out LED drive signal 4 9 SW1 In Panel switch input 1 10 PSC In Power on off switch 11 SW0 In Panel switch on off 0 12 SW2 In Panel switch on off 2 Pin Signal Name I O Function 1 PE In Sensor detect signal 2 GND Ground 3 PEV Sensor power supply 5V Pin Signal Name I O Function 1 HP In Sensor detect ...

Page 132: ... pulse for head data transfer 14 GND Ground 15 NCHG Out Head all on pulse output 16 GND Ground 17 VDD Logic power supply 5V 18 GND2 Ground 19 GND2 Ground 20 GND2 Ground 21 COM Head drive power supply 22 COM Head drive power supply 23 COM Head drive power supply 24 VHV Head drive voltage control signal 25 VHV Head drive voltage control signal Pin Signal Name I O Function 1 42V Mechanism drive power...

Page 133: ...r rank ID for VhN 12H 1 0BH Head actuator rank ID for Twhs 01H 1 0CH Reserved 00H 0DH Reserved 00H 0EH Reserved 00H 0FH Reserved 00H 10H Password 1 5AH 11H 0FH 12H Custom EEPROM sub number 00H 00H 13H 00H 00H 14H 00H 00H 15H 00H 00H 16H Reserved 00H 17H Reserved 00H 18H CPSI password 00H 00H 19H 00H 00H 1AH 00H 00H 1BH 00H 00H 1CH CPSI flags bit7 CPSI license 0 Disable 1 Enable bit6 CPSI Font lice...

Page 134: ...0H 2EH Reserved 00H 2FH Reserved 00H 30H Password 3 5AH 31H 0FH 32H Reserved 00H 33H Reserved 00H 34H Top margin 42 to 44X360 by 1 360 inch 78H 78H 35H 00H 00H 36H Reserved 00H 37H Reserved 00H 38H Reserved 00H 39H Reserved 00H 3AH Reserved 00H 3BH Reserved 00H 3CH Reserved 00H 3DH Reserved 00H 3EH CR phase of Home 00H 00H 3FH ERROR Number 00H 00H 40H Password 4 5AH 41H 0FH 42H Ink flags bit7 resr...

Page 135: ...55H 00H 00H 56H Ink counter Csm total 1count 100 ng 00H 00H 57H 00H 00H 58H 00H 00H 59H 00H 00H 5AH Ink counter Csc total 1count 100 ng 00H 00H 5BH 00H 00H 5CH 00H 00H 5DH 00H 00H 5EH Reserved 00H 5FH Reserved 00H 60H Password 6 5AH 61H 0FH 62H Ink counter Rb 00H 00H 63H 00H 00H 64H Ink counter Ry 00H 00H 65H 00H 00H 66H Ink counter A 00H 00H 2 67H 00H 00H 2 68H power off time 00H 00H 2 69H 00H 00...

Page 136: ... QPIT settings Factory settings 72H customized model name string of counter 00H 00H 73H strings of model field for Device 00H 00H 74H ID 00H 00H 75H 00H 00H 76H 00H 00H 77H 00H 00H 78H 00H 00H 79H 00H 00H 7AH 00H 00H 7BH 00H 00H 7CH 00H 00H 7DH 00H 00H 7EH 00H 00H 7FH 00H 00H ...

Page 137: ...Appendix Rev A A 8 A 4 Circuit Board Component Layouts Figure A 2 C206 Main Board Component Layout ...

Page 138: ...EPSON Stylus Color400 Service Manual Rev A A 9 Figure A 3 C206 PSB Board Component Layout ...

Page 139: ...Appendix Rev A A 10 Figure A 4 C206 PSE Board Component Layout ...

Page 140: ...EPSON Stylus Color400 Service Manual Rev A A 11 Figure A 5 C206 PNL Component Layout ...

Page 141: ...Appendix Rev A A 12 A 5 Exploded Diagrams Figure A 6 Stylus Color 400 Exploded Diagram 1 ...

Page 142: ...EPSON Stylus Color400 Service Manual Rev A A 13 Figure A 7 Stylus Color 400 Exploded Diagram 2 ...

Page 143: ...Appendix Rev A A 14 Figure A 8 Stylus Color 400 Exploded Diagram 3 ...

Page 144: ...9 Sesto S Giovanni MI Italy Phone 2 262331 Fax 2 2440750 EPSON AUSTRALIA PTY LIMITED 1 70 Gibbes Street Chatswood 2067 NSW Australia Phone 2 9903 9000 Fax 2 9903 9177 EPSON SINGAPORE PTE LTD No 1 Temasek Avenue 36 00 Millenia Tower Singapore 039192 Phone 065 3377911 Fax 065 3341185 EPSON HONG KONG LTD Rooms 4706 10 47 F China Resource Bldg 26 Harbour Road Wanchai Hong Kong Phone 2585 4300 Fax 2827...

Page 145: ...EPSON SEIKO EPSON CORPORATION ...

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