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EPSON Stylus COLOR 670

Revision A

Operating Principles

Electrical Circuit Operating Principles

51

2.2.2.7 Sensor Circuit

C301MAIN is equipped with the following five sensors to detect the status of
the printer.

o

HP Sensor
HP sensor uses photo interrupter method. HP sensor detects the
carriage HP (home position). HP is the standard position for the print
start position. When CR unit is within the home position, the sensor
o5V: When CR unit is out of the home position, the sensor
outputs 0V.

o

PE sensor
PE sensor uses photo interrupter method. PE sensor detects paper on
paper path of the printer. If paper passes, PE sensor outputs 0V. If
there is no paper, the sensor o5V. The signal output from this
sensor and the stepping pulse of PF motor determines the paper top
position and the bottom position and it is reflected to the printable
area of paper feed direction.

o

ASF HP sensor
ASF HP sensor uses photo interrupter method. This sensor consists of
the ASF HP detector wheel, which is attached on the ASF LD roller
shaft, and a photo sensor. The ASF HP detector wheel has a small
window and when this part is positioned between photo sensor
terminals, the sensor detects ASF HP. When this window is within the
ASF HP, the sensor outputs 0V, and when it is out of ASF HP, +5V is
output. This sensor detects the ASF return lever position at the power
on and detects standby state of the ASF LD roller.

o

Thermistor (TH)
The thermistor is attached directly on the printhead driver board. It
monitors the temperature around the printhead and determines the
proper head drive voltage according to the ink viscosity that varies by
the temperature. This information is fed back to the ASIC analog port.
When the temperature rises, the head drive circuit lowers the drive
voltage: When the temperature lowers, the head drive circuit rises the
drive voltage.

o

Black/ Color cartridge sensor (COB/ COC)
Cartridge sensor uses mechanical method. This sensor detects
whether a black or color ink cartridge is installed in the CR unit. When
an I/C is installed, this sensor outputs 0V: When no I/C is installed, the
sensor o5V.

The block diagram for the sensor circuit is shown below:

Figure 2-19. Sensor Circuit Diagram

+5V

+5V

PE

PEV

H P

GND

GND

GND

H PV

A SF

GND

A SFV

+5V

+5V

+5V

+5V

+5V

+5V

+5V

5

2

3

TH M

coc

79

80

105

Black I/C sensor

Color I/C sensor

Head thermistor

IC2

E05B70**

IC1

H064F2328F

SW A2

SW A0

SW A1

SW C0

SW C1

CPU

AN0

CN9

Head FFC

CN5

PE Sensor

CN4

CR HP Sensor

CN6

ASF HP Sensor

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Содержание Stylus Color 670

Страница 1: ...EPSON EPSONStylusCOLOR670 Color Inkjet Printer SEIJ99016 SERVICE MANUAL ...

Страница 2: ...ubject to change without notice All effort have been made to ensure the accuracy of the contents of this manual However should any errors be detected SEIKO EPSON would greatly appreciate being informed of them The above not withstanding SEIKO EPSON CORPORATION can assume no responsibility for any errors in this manual or the consequences thereof SON is a registered trademark of SEIKO EPSON CORPORA...

Страница 3: ...T 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 WARNING REPAIRS ON EPSON PRODUCT SHOULD BE PERFORMED ONLY BY AN EPSON CERTIFIED REPAIR TECHNICIAN MAKE CERTAIN THAT THE SOURCE VOLTAGES IS THE SAME AS THE RATED VOLTAGE LISTED ON THE SERIAL NUMBER RATING PLATE IF...

Страница 4: ...G PRINCIPLES Describes the theory of electrical and mechanical operations of the product HAPTER 3 TROUBLESHOOTING Provides the step by step procedures for the troubleshooting HAPTER 4 DISASSEMBLY AND ASSEMBLY Describes the step by step procedures for disassembling and assembling the product HAPTER 5 ADJUSTMENTS Provides Epson approved methods for adjustment HAPTER 6 MAINTENANCE Provides preventive...

Страница 5: ...ctice or condition that if not strictly observed could result in injury or loss of life Indicates an operating or maintenance procedure practice or condition that if not strictly observed could result in damage to or destruction of equipment May indicate an operating or maintenance procedure practice or condition that is necessary to accomplish a task efficiently It may also provide additional inf...

Страница 6: ...Revision Status Revision Issued Date Description Rev A January 27 2000 First Release ...

Страница 7: ...are interface 15 Parallel interface 15 IEEE 1284 Parallel I F Reverse Channel 17 USB Universal Serious Bus 19 Miscellanea 20 Receive Data Buffer Full Operation 20 Interface Selection 20 Automatic selection 20 Interface state and interface selection 20 IEEE 1284 4 protocol 20 Printer Language and Emulation 21 Control codes 21 Character mode 21 Graphics mode 21 Operator Controls 22 Operate Switch 22...

Страница 8: ...shooting 54 Printer does not operate at power on 55 Error is detected 55 Failure occurs during printing 56 Printer does not feed paper correctly 56 Control panel operation is abnormal 57 it Repair Power Supply Board 57 it Repair Control Board 58 it Repair Printer Mechanism 61 Disassembly and Assembly Overview 67 Precautions 68 Tools 69 Work Completion Check 70 Disassembly 71 Housing Removal 72 Cir...

Страница 9: ...l Name 106 Head ID Input 107 Head Angular Adjustment 109 Bi D Adjustment 112 USB ID Input 115 To Only Check the USB ID 116 Head Cleaning 117 Initial Ink Charge 118 Protection Counter Indication Reset 119 Print A4 Check Pattern 121 Maintenance Overview 123 Cleaning 123 Service Maintenance 124 Lubrication 125 Appendix Connector Summary 130 Major Component Unit 130 EEPROM Address Map 133 Component La...

Страница 10: ...C H A P T E R 1 PRODUCTDESCRIPTION ...

Страница 11: ...are as follows High color print quality n 1440x720 HxV dpi printing n 4 color printing YMCK n Traditional and New Microweave Built in auto sheet feeder n Holds 100 cut sheets 64g m2 n Holds 10 envelopes n Holds 30 transparency film sheets Two built in interfaces n Bi directional parallel I F IEEE 1284 level 1 device n USB Universal Serial Bus Windows Macintosh exclusive ROM version YUXXXX Figure 1...

Страница 12: ...d Europe n PC850 Multilingual TYPEFACE o Bit map LQ font o EPSON Courier 10 cpi 1 2 2 Paper Feeding o Feeding method Friction feed with ASF o Paper path Cut sheet ASF Top entry Front exit o Feed speed 8 47mm 1 3inch feed 190ms Continuous feed 51mm s 1 2 3 Input data buffer o Input data buffer 32KB Table 1 1 Character Mode Character pitch Printable columns LQ speed 10 cpi 80 200 CPS This is not ope...

Страница 13: ...64V n Rated frequency range 50 60Hz n Input frequency range 49 5 60 5 Hz n Rated current 0 2A n Power consumption Approx 18W ISO 10561 Letter pattern Approx 2 5W in standby mode Energy Star compliant n Insulation Resistance 10 M ohms min between AC line and chassis DC 500V n Dielectric AC 1500 V rms 1 minute between AC line and chassis 1 2 5 Environmental Conditions TEMPERATURE o Operating 10 to 3...

Страница 14: ...25 000 pages A4 Letter Printhead Life 3 billion dots nozzle 2 7 Safety Approvals 120V version Safety standards UL 1950 CSA22 2 subpart B class B CSA C 108 8 class B 220 240V version Safety standards EN 60950 VDE EMI EN 55022 CISPR Pub 22 class B AS NZS 3548 class B 1 2 8 Acoustic noise o Level Approx 47 dB A According to ISO 7779 o CE marking 220 240 V version Low voltage directive 73 23 EEC EN609...

Страница 15: ...e 1 3 Data Transmission Timing Chart hen input data buffer is full hen INIT signal is at low level or during hardware initialization uring printer error see the ERROR signal explanation below hen the parallel interface is not selected ROR signal is at low level when the printer is in one of the following tes inter hardware error fatal error aper out error aper jam error k out error signal is at hi...

Страница 16: ...epresent data bits 0 to 7 respectively Each signal is at high level hen data is logical 1 and low level when data is logical 0 3 DATA1 21 In 4 DATA2 22 In 5 DATA3 23 In 6 DATA4 24 In 7 DATA5 25 In 8 DATA6 26 In 9 DATA7 27 In 10 ACKNLG 28 Out This signal is a negative pulse indicating that the printer can again accept data 11 BUSY 29 Out A high signal indicated that the printer cannot receive data ...

Страница 17: ... BDC MDL Stylus SP COLOR SP 670 CLS PRINTER DES EPSON SP Stylus SP COLOR SP 670 NOTE 00H denotes a hexadecimal value of zero MDL value depends on the EEPROM setting CMD value depends on the IEEE1284 4 setting 17 Chassis GND Chassis GND 6 33 9 30 GND Signal GND 5 34 NC Not connected Table 1 5 Connector Pin Assignment and Signals F Channel Pin No Signal Name Return GND Pin In Out Function Descriptio...

Страница 18: ...ATA7 20 In 10 PtrClk 28 Out Printer clock signal 11 PtrBusy DataBit 3 7 29 Out Printer busy signal and reverse channel transfer data bit 3 or 7 12 AckDataReq DataBit 2 6 28 Out Acknowledge data request signal and reverse channel transfer data bit 2 or 6 13 Xflag DataBit 1 5 28 Out X flag signal and reverse channel transfer data bit 1 or 5 14 HostBusy 30 In Host busy signal 31 INIT 30 In Not used 3...

Страница 19: ...ng Devices version 1 0 Bit rate 12Mbps Full Speed Device Data encoding NRZI Adaptable connector USB Series B Recommended cable length max 2 meters Figure 1 4 USB Interface Port Table 1 8 Connector Pin Assignment and Signals Pin No Signal Name I Out Function Description 1 VCC Cable power Maximum power consumption is 100mA 2 Data I O Data 3 Data I O Data Pull up to 3 3V via 1 5K ohm resistor 4 Groun...

Страница 20: ...ace is as it is TERFACE STATE AND INTERFACE SELECTION hen the parallel interface is not selected the interface got into the busy te When the printer is initialized or returned to the idle state the rallel interface got into the ready state Caution that the interrupt signal ch as the INIT signal on the parallel interface is not effective while that erface is not selected 1 3 4 3 IEEE 1284 4 protoco...

Страница 21: ...ialize 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 Paper side ESC8S Print position motion Horizontal Print Position ESC ESC ESC ESC Vertical Print Position ESC V ESC v Spacing Define Unit ESC U Graphics Graphics Mode ESC G Raster Graphics ESC ESC D...

Страница 22: ...tus NOTE 1 Not described in the User s manual Table 1 9 Panel Functions Switch Function Load Eject Pushing within 2 seconds Loads or Ejects the paper When the carriage is on the ink cartridge change position return carriage from ink cartridge change position Load Eject Pushing for 2 seconds Starts the ink cartridge change sequence Moves the carriage to the cartridge change position Cleaning Pushin...

Страница 23: ... Cap the printhead n Eject a paper n Clears input data buffer n Clears print buffer n Sets default values o Software initialization The ESC command also initializes the printer When printer is initialized following action is performed n Clears print buffer n Sets default values Table 1 11 Special Setting Mode Switch Function Load Eject Initialize EEPROM and reset timer IC Cleaning Pushing for 10 s...

Страница 24: ...mode Maintenance request When the total quantity of ink wasted through the cleaning and flushing is reaches to the limit printer indicates this error and stops The absorber in the printer enclosure is needed to be replaced with a new one by a service person Fatal Errors Carriage control error or CG access error 1 4 8 Paper Handling Do not perform reverse feed more than 9 5mm 0 38 1 4 9 Paper Speci...

Страница 25: ...hickness 0 16mm to 0 52mm 0 006 to 0 02 n Weight 45g m2 to 75g m2 12lb to 20lb n Paper quality bond paper plain paper air mail OTE Envelope printing is only available at normal temperature Keeping the longer side of the envelope horizontally at setting Index card n Size A6 105 x 148 mm 4 1 x 5 8 A5 148 x 210 mm 5 8 x 8 3 5x8 index card 127 x 203mm 10x8 index card 154 x 203mm n Thickness Less than ...

Страница 26: ...12 3mm 0 12 3mm 0 12 14mm 0 54 Letter 3mm 0 12 9mm 0 35 3mm 0 12 14mm 0 54 B5 3mm 0 12 3mm 0 12 3mm 0 12 14mm 0 54 Legal 3mm 0 12 9mm 0 35 3mm 0 12 14mm 0 54 Statement 3mm 0 12 3mm 0 12 3mm 0 12 14mm 0 54 Executive 3mm 0 12 3mm 0 12 3mm 0 12 14mm 0 54 Table 1 14 Margins in Raster Graphics Mode Paper Size Left Margin Right Margin Top Margin Bottom Margin A4 3mm 0 12 3mm 0 12 3mm 0 12 14 or 3mm 0 54...

Страница 27: ...e Area for Envelopes Table 1 15 Envelope Margin Size Left Margin minimum Right Margin minimum Top Margin minimum Bottom Margin minimum 10 3 mm 0 12 28 mm 1 10 3 mm 0 12 14 mm 0 55 DL 3 mm 0 12 7 mm 0 28 3 mm 0 12 14 mm 0 55 C6 3 mm 0 12 3 mm 0 12 3 mm 0 12 14 mm 0 55 LM RM TM BM Printable Area Printable Area ...

Страница 28: ...dge COLOR INK CARTRIDGE o Type Exclusive cartridge o Color Magenta Cyan Yellow o Print capacity 300 pages A4 360 dpi 5 duty each color o Ink life 2 years from production date o Storage temperature n 20 C to 40 C Storage within a month at 40 C n 30 C to 40 C Packing storage within a month at 40 C n 30 C to 60 C Transit within a month at 60 C o Dimension 42 9mm W x 52 7 mm D x 38 5mm H Figure 1 8 Co...

Страница 29: ... kg without the ink cartridges Dimensions n Stylus Photo 720 429 x 261 x 167 mm WxDxH Storage 429 x 613 x 295 mm WxDxH Printing Figure 1 9 EPSON Stylus COLOR 670 Dimensions 1 6 Accessories User s manual 1 Driver disk 1 Black ink cartridge 1 Color ink cartridge 1 Power cord 1 220 240 version only 429mm 613mm 295mm ...

Страница 30: ...C H A P T E R 2 OPERATINGPRINCIPLES ...

Страница 31: ...is equipped h two stepping motors one for ASF paper feeding pump mechanism and e for CR mechanism ASF unit uses rear entry front eject system this sign is the same as Stylus COLOR 660 r cap assembly EPSON Stylus COLOR 670 uses valveless mechanism new sign for this model ure 2 1 on page 32 shows the outline of the printer mechanism e table below shows the compatibility of the mechanical units among...

Страница 32: ...rview 32 Figure 2 1 Printer Mechanism Block Diagram CR Unit Paper Feed Trigger Lever Position Capping Position CR Motor PF Motor Cap Mechanism CR Lock Mechanism Pump Mechanism Ink System Paper Feeding Mechanism CR Mechanism Printhead Paper Loading Mechanism ...

Страница 33: ...to prevent amount of from varying by printheads lowing explains printhead basic components PZT PZT is an abbreviation of Piezo Electric Element Certain amount of voltage expands and contracts PTZ The drive wave generated on MAIN board drives PZT and PZT pushes the top cavity which has ink stored to discharge the ink from each nozzle on the nozzle plate Ink Cavity The ink absorbed from the ink cart...

Страница 34: ... squeeze the cavity Ink pressure inside the cavity is kept normal Refer to Figure 2 3 Ejecting State When the print signal is output from the C301MAIN board IC Nozzle Selector located on the printhead unit latches data once by 1 byte unit An appropriate PZT latched by the nozzle selector is pushed into the cavity by the common voltage applied from the main board By this operation ink stored in the...

Страница 35: ...ove the print quality on plain paper or transparencies in low resolution The multiple shot printing mode uses normal dot and the number of dot shots varies from 1 shot to maximum 3 shots depending on the print data to enable sharp image output even in a low resolution Variable dot printing This printing mode is developed to improve the print quality on exclusive paper This mode is basically the sa...

Страница 36: ...to keep the platen gap correct for the paper thickness to prevent ink from smearing The PG support lever joins the CR guide shaft which has an eccentricity toward PG support lever Switching the lever from 0 to rotates the CR shaft and changes the platen gap from narrow to wide within the range of 1 14mm to 2 04mm Table 2 2 Carriage Motor ems Specifications ype 4 Phase 200 Pole HB Stepping motor iv...

Страница 37: ...r eject roller EPSON Stylus COLOR 670 allows printing up to the last 3mm like EPSON Stylus Photo 720 EPSON Stylus Photo EX3 The star wheel roller assembly has been shifted 5 degrees from directly on the top of the eject roller towards the paper feed roller This suppresses the tailing edge of the paper so that the old minimum margin of 14mm has been reduced to only 3mm Figure 2 6 Paper Transportati...

Страница 38: ...r CCW counterclockwise Drive transmission to the ASF unit PF Motor pinion gear Combination gear 3 30 Spur gear 67 2 Spur gear 26 4 Combination gear 16 40 8 Spur gear 23 2 Spur gear 34 ASF paper load roller shaft ure 2 7 shows the disengage mechanism and the parts involved When the PF motor torque is switched to the ASF unit side by the disengage mechanism the function of the ASF mechanism varies d...

Страница 39: ...F side PF motor revolves CW and ASF home position is detected by ASF HP sensor Then PF motor revolves CCW drives paper return lever and return the paper to the stand by position 2 When the print signal is sent from the PC or the Load Eject button is pressed CR unit moves to the DE lever switching position and switches DE position to the ASF side PF motor revolves CW to let the LD roller load paper...

Страница 40: ...1 Pump Unit and CR Lock Mechanism e Pump unit is driven by PF motor PF motor drive is always transmitted to e Paper feeding mechanism and Pump unit and therefore Pump unit and lock mechanism drives according to the PF motor rotational direction as own in the table below The PF Motor rotational direction seen from the PF motor pinion gear Figure 2 9 shows the operating principles of the pump mechan...

Страница 41: ...ses valveless system Air valve function used for the previous models pumps and ejects ink only inside the cap by sucking ink with the valve open Valveless system is developed by changing the ink sequence When sucking ink only inside the cap false absorption this printer moves printhead to the left from the cap unit out of the cap and drives pump to perform false absorption Figure 2 10 Valveless Ca...

Страница 42: ...ink surface inside the nozzle n CL1 Ink absorption Black Ink 0 40ml Color Ink 0 63ml Wiping operation Wipes nozzle plate by the rubber part on the right half of the wiper Flashing operation Prevents color from mixing Stabilizes ink surface inside the nozzle n CL2 Ink absorption Black Ink 0 47ml Color Ink 0 73ml Wiping operation Wipes nozzle plate by the rubber part on the right half of the wiper R...

Страница 43: ... printer is turned off through the panel switch while it is in operation the printer turns the power supply off after performing the capping operation to prevent ink leakage or dry printhead nozzles that may be caused when the printhead is left without capping AC voltage input from AC inlet first goes through filter circuit that removes high frequency components and is then converted to DC voltage...

Страница 44: ...line over current protection circuit This protection circuit is in the same line as the 42V over voltage protection circuit is located The output voltage level of the 5V line is monitored by a Zener diode This circuit shuts down the 5V line forcefully when the voltage level exceeds 9V o 42VDC line over current protection circuit The output voltage is monitored by two transistors When the output vo...

Страница 45: ...or the C301MAIN board block diagram Figure 2 13 Block Diagram for the C301MAIN Board C209 PNL Stylus Photo 720 P ROM IC3 D RAM IC17 3 3V Regulator IC IC16 Power CN10 CPU HD64F232 8F IC1 Parallel I F Receiver IC 74LV161284 IC9 E05B70 IC2 USB I F Receiver IC IC10 CN3 CN5 CN4 CN6 CN11 Timer Reset IC IC5 EEPROM IC6 Common Driver IC15 Q2 Q3 CN8 HD FFC CN9 HD FFC CR Sensors Head Motor Driver IC13 Motor ...

Страница 46: ... IC supervise Parallel I F USB I F control ROM IC3 3 3V Capacity 4 8 16MB Bus 16 bit EEPROM Program or program CG Character generator AM IC17 3 3V Bus 16 bit 4Mbit DRAM T93C56 IC6 5 0V 2kbit EEPROM Default value setting Parameter backup TC 9810SA IC5 5 0V Reset Timer IC For 5V reset when 4 3V is detected For 42V reset when 35 5 is detected Timer function is attached powered by lithium battery 4V16...

Страница 47: ...te head driver waveform is generated Generated head driver waveform is transferred to nozzle selector IC on the head driver board and applied to the nozzle PZT specified by nozzle selector IC o Head nozzle selector circuit Printing data are allocated to the six rows the number of the head nozzle rows and converted into serial data by the ASIC IC2 Then the converted data is transferred to the nozzl...

Страница 48: ...h phase is determined by ASIC IC2 and outputs m port 109 110 111 113 114 115 to driver IC IC14 Motor driver IC nerates motor driver waveform based on these input signals and controls e motor Figure 2 15 PF Motor Driver Circuit Block Diagram D A 1 P F E N B A P F E N B B P F P H A A P F P H A B 1 0 8 1 1 6 1 0 7 1 1 8 P F A I 1 P F A I 2 P F A I 3 P F B I 1 P F B I 2 P F B I 3 I A 1 I A 2 I A 3 I A...

Страница 49: ... IC2 This function is necessary to prevent the printer from operating abnormally This IC monitors both 5V and 45 lines but can reset them independently The reset circuits outputs reset signal when 5V line becomes 4 3V or lower or 42V line becomes 35 5V or lower Reset ICs have built in timer function which manages timer control based on lithium battery Figure 2 17 Reset Circuit Block Diagram Main s...

Страница 50: ...unter etc n Mechanical setting value Head ID Bi D adjustment USB ID etc n Destination data printable area setting CG setting etc n Option setting CPSI password etc e Appendix for EEPROM Address Map that provides detailed information the values stored in EEPROM Figure 2 18 EEPROM Circuit Diagram EEPROM is connected to ASIC with 4 lines and each line has the following function n CS Chip selection si...

Страница 51: ...photo sensor terminals the sensor detects ASF HP When this window is within the ASF HP the sensor outputs 0V and when it is out of ASF HP 5V is output This sensor detects the ASF return lever position at the power on and detects standby state of the ASF LD roller Thermistor TH The thermistor is attached directly on the printhead driver board It monitors the temperature around the printhead and det...

Страница 52: ...C H A P T E R 3 TROUBLESHOOTING ...

Страница 53: ...i n g U n i t R e p a i r P S B P S E U n i t R e p a i r M a i n b o a r d D i s a s s e m b l e a n d A d j u s t m e n t U n i t R e p a i r P r i n t e r M e c h a n i s m Table 3 2 Sensor Specifications Sensor Name Check Point Signal Level Switch Mode HP Sensor CN4 Pin 1 and 2 Less than 0 7V Open Out of HP range More than 2 4V Close Within HP range PE Sensor CN5 Pin 1 and 2 Less than 0 7V Ope...

Страница 54: ... Low lack Blink Replace he ink cartridge with new one k Low olor Blink Replace he ink cartridge with new one aintenance equest Blink Blink Blink Blink Replace the waste ink pad and reset the waste ink counter stored in EEPROM atal Error Blink Blink On On Turn off and back on the printer If the problem still remains repair the related units Table 3 4 Top Level Troubleshooting Symptom Problem Flowch...

Страница 55: ... the output voltage normal Replace the MAIN board Check the motors printhead and other components Replace the power supply Start Yes Check the LCD error message Is the problem carriage related Yes No No No No No Yes Yes Yes End End Turn off the printer and move the carriage by hand Does it move smoothly Refer to Unit Repair Printer Mechanism Problem solved Does error still occur Is it an ink cartr...

Страница 56: ...Connect them Problem solved Refer to Unit Repair Printer Mechanism Problem solved Replace the MAIN board Problem solved Problem solved Problem solved Replace the ink cartridge and print self test Refer to Unit Repair Printer Mechanism START Paper loaded correctly in ASF Set the paper correctly Do PF roller and platen rotate Is the PF motor running NO NO NO YES Check the PF motor No problem replace...

Страница 57: ... described in the checkpoint Control panel connected correctly START Connect the control panel correctly NO NO NO YES YES YES END END Is the problem solved Replace the control panel Replace the MAIN Board Control panel connected correctly Table 3 5 PSB Troubleshooting Symptom Condition Cause Check point Solution Theprinter does not operate at all 42VDC line does not work F1 is open Check F1 is nor...

Страница 58: ...e printer oes not perate at l 5VDC line does not work IC51 FA36 35P is broken Check the output waveform pin 8 Replace IC51 Table 3 5 PSB Troubleshooting continued ymptom Condition Cause Check point Solution Table 3 6 Control Board Troubleshooting Symptom Condition Cause Check point Solution The printer does not operate at all CPU does not work Reset circuit is broken Check 5VDC line Pin 7 of IC5 a...

Страница 59: ...ly IC2 is broken Check the PHASE Pin 16 and 27 of IC13 and signal waveform of OUT Pin 7 6 9 8 If PHASE DATA is not input replace IC2 IC13 is broken Check if waveform of OUT Pin 7 6 9 8 is output from IC13 If OUT is not output from IC13 replace IC13 Table 3 6 Control Board Troubleshooting continued ymptom Condition Cause Check point Solution ...

Страница 60: ...eplace IC14 Table 3 6 Control Board Troubleshooting continued ymptom Condition Cause Check point Solution Abnormal printing Printing is not performed or the print data is turned to the set of unrecognizable characters IC2 is broken Check the signal waveform of DATA Pin 29 of IC15 and Common NPNB PNPB Pin 20 16 If DATA is not input replace IC2 IC15 is broken Check the output waveform of NPNB PNPB F...

Страница 61: ... there is any disconnection of the coil Refer to Table 3 1 Motor Coil Resistancs on page 53 Exchange the PF motor efective ump bsorption Dot missing is not solved even after cleaning operation Used ink is not drained to the waste ink pad The pump tube is squashed Check the tube visually Exchange the tube The cap is damaged or deformed Check the cap visually Exchange the cap mechanism Abnormal carr...

Страница 62: ...eplace it Check if there is any foreign substances on the carriage path Remove any foreign objects Table 3 7 Printer Mechanism Troubleshooting continued Symptom Condition Cause Check Point Solution Printing is not performed Carriage moves but no printing is performed Head FFC is not connected properly Check visually if the head FFC on the carriage or on the board is connected properly Connect FFC ...

Страница 63: ...ng several times and check the print quality Perform cleaning FFC is disconnected inside Check the FFC by using a multimeter if there is any electric conductivity Replace the head FFC Head FFC is out of connection Check if head FFC on the carriage or on the board is connected properly Connect Head FFC firmly Head Unit is defective Perform cleaning operation 2 or 3 times and perform the self test R...

Страница 64: ...er Mechanism Troubleshooting continued Symptom Condition Cause Check Point Solution Abnormal Paper Feeding Paper is not fed Friction of the LD roller Load paper and check if the LD roller revolves smooth when picking up paper Clean the LD roller with the cleaning sheet Replace the LD roller if it does not recover Abnormal operation of the hopper Check the movement of the ASF hopper visually Replac...

Страница 65: ...ve Check the signal level of the HP sensor Replace HP sensor CR motor is defective Check the CR motor cable is connected properly Replace the CR motor if there is no problem in the cable connection PF motor is defective Check if the PF motor cable is connected properly Replace the PF motor if there is no problem in the cable connection Table 3 7 Printer Mechanism Troubleshooting continued Symptom ...

Страница 66: ...C H A P T E R 4 DISASSEMBLYANDASSEMBLY ...

Страница 67: ...erved could result in injury or loss of life are scribed under the heading Warning Precautions for any disassembly or sembly procedures are described under the heading Caution Chips for assembling procedures are described under the heading Check Point y adjustment required after disassembling the units are described under e heading Adjustment Required When you have to remove any units or rts that ...

Страница 68: ...rong direction This may cause burning or explosion n Danger of explosion if the battery is incorrectly replaced Replace only with the same or equivalent type recommended by the manufacture Dispose the used batteries according to government s law and regulations W A R N I N G Risque d explosion si la pile est remplacée incorrectment Ne remplacer que par une pile du même type ou d un type équivalent...

Страница 69: ...2 Tools e only specified tools to avoid damaging the printer Table 4 1 Required Tools Name Supplier Parts No hillips Screw Driver No 1 EPSON B743800100 hillips Screw Driver No 2 EPSON B743800200 pper EPSON B740500100 weezers EPSON B741000100 hickness Gauge EPSON B776702201 ...

Страница 70: ...ecked o Not necessary Paper Feeding Mechanism Is paper advanced smoothly No paper jamming No paper skew No multiple feeding No abnormal noise o Checked o Not necessary Is the PF Motor at correct temperature o Checked o Not necessary Is the paper path free of any obstructions o Checked o Not necessary Adjustment Specified Adjustment Are all the adjustment done correctly o Checked o Not necessary Lu...

Страница 71: ...77 Pump Cap Assy Removal Page 80 CR Motor Assy Removal Page 82 PF Motor Assy Removal Page 83 CR Assy Removal Page 93 PE Sensor Assy Removal Page 95 PF Roller Assy Removal Page 96 CR HP Sensor Removal Page 98 Housing Removal Page 72 Circuit Board Assy Removal Page 73 k Absorber Tray Assy Removal Page 76 Printer Mechanism Disassembly Page 77 Control Panel Removal Page 75 ASF Assy Removal Page 85 LD ...

Страница 72: ...er to position Remove 4 screws and remove the Housing Figure 4 2 Housing Removal H E C K P O I N T When removing the Housing be sure to keep the Housing out of carriage Pull the Housing toward the printer front side and lift it upward When installing the Housing be careful not to pinch the cable with the screw at the rear side of the Housing Make sure the Head FFC is set properly inside the rail o...

Страница 73: ... Disconnect all the cables from the connectors on the C301MAIN Board Remove the Circuit Board Assembly from the Printer Mechanism 6 When removing each board unit from M B Shield Plate remove screws securing each board C301MAIN Board 10 screws C301PSB PSE 4 screws and remove the boards respectively NOTE When removing each board separately release the lock of the connector CN10 and pull the cable ou...

Страница 74: ... on page 107 n Bi D Adjustment See Bi D Adjustment on page 112 n USB ID Input See USB ID Input on page 115 H E C K P O I N T When the MAIN Board is replaced the value of Ink Cartridge Consumption Counter and the Waste Pad Counter is reset So replace the following parts as well Refer to Special Setting Mode on page 26 and Protection Counter Indication Reset on page 119 n Ink Cartridge n Waste Ink P...

Страница 75: ...curing the Panel Board Assembly to the Printer Mechanism then remove C209PNL Board from the Panel Assembly Remove FFC from the connector on the C209PNL Board Figure 4 5 Control Panel Removal H E C K P O I N T By removing the Control Panel the Stacker Assembly can be also detached from the Printer Mechanism since it is held by the Control Panel Assembly Left Housing Panel Securing Screw Panel Board...

Страница 76: ... Ink Absorber Tray Assembly at the left e of the Printer Mechanism and remove the Ink Absorber Tray Assembly pulling it downward Figure 4 6 Ink Absorber Tray Assembly Removal A U T I O N Be sure to reset the Waste Ink Counter when replacing the Ink Absorber Tray Assembly or Ink Absorber Ink Pad inside The Waste Ink Counter is reset by the special setting mode of the panel operation or by the adjus...

Страница 77: ... Remove Black and Color Ink Cartridges Remove Black I C Cover and Color I C Cover from the CR Assembly Remove the Torsion Spring 49 from the CR Assembly and remove 1 screw securing Head Fastener from the right side of the CR Assembly Remove two hooks securing the Head FFC Holder at the back side o f the CR unit and remove the Head FFC holder Lift the Printhead upward and remove it from CR Assembly...

Страница 78: ...ad FFC Removal Figure 4 8 Head FFC Removal n When removing the securing screw of the Head Fastener be sure to hold the CR Assembly by hand If you do not hold CR Assembly when loosing or tightening the screw the Top Frame may be deformed resulting in low quality print n When you assemble the Head FFC holder be sure that the two hooks of the Head FFC holder and the one joint portion are secured to t...

Страница 79: ...the head grounding plate CR Assembly Printhead Printhead Pinthead Top View C H E C K P O I N T n Install a new cartridge before sending back the printer to the user since the ink cartridge once taken out can not be used again n Installation of I C must be carried out by I C replacement sequence Otherwise ink may not be ejected properly n When you return the printer to the user pack the printer wit...

Страница 80: ...e right side of Cap Assembly Carefully pull out the Cap Assembly toward the top of the Printer Mechanism However Cap Assembly is still connected to the Pump Assembly by the ink tube Remove the Ink Tube from the bottom of the Cap Assembly Stand up the Printer Mechanism so that you can see the bottom of the Printer Mechanism Remove 2 screws securing the Pump Assembly to the frame and remove the Pump...

Страница 81: ...n assembling be careful not to crush nor leave any stress on the ink tube connecting the Pump Assembly and the Cap Assembly Refer to the Figure 4 13 After installing the Pump Assembly rotate the Combination Gear 6 34 4 and check if the Head Cleaner moves back and forth Perform this check while holding the Cap Assembly to the right of the frame Head Cleaner Pump Components Assembly Order OK NG Ink ...

Страница 82: ...m the Driven Pulley Holder to the top refer to the arrow in the figure below Figure 4 14 Timing Belt Removal Remove 2 screws securing the CR Motor and remove CR Motor Assembly Figure 4 15 CR Motor Assembly Removal H E C K P O I N T When installing CR Motor Assembly be sure that 2 projections of the Motor Bracket are inserted to the position marking holes of the frame Compression Spring 19 6 Driven...

Страница 83: ... the CR Unit manually to the left side of the CR Shaft and remove it from the right side of the Paper Eject Frame towards the front side of the printer Then move the CR Unit to the center of the CR Shaft and remove the left side of the Paper Eject Frame towards the front side of the printer Refer to Figure 4 17 Figure 4 17 Front Frame and Paper Eject Frame Removal 6 Release 2 hooks attaching the F...

Страница 84: ...ssembly Installation Front Paper Guide Securing Hook Bushing 6 Front Paper Guide Paper Eject Roller PF Motor screws Viewed from inside of the Left Frame front side C H E C K P O I N T n When removing the PF Motor Assembly first slightly pull out the PF Motor Assembly from the frame and slide the Motor Shaft to a larger cutoff of the frame and remove it n Be careful for the routing direction of the...

Страница 85: ... at the right side seen from the back side of the printer Remove 1 screw with washer securing the ASF Assembly to the Printer Mechanism and ASF securing screw Figure 4 22 ASF Securing Screw Removal 5 Shift the ASF Assembly to the right seen from the back side of the printer and while lifting the Sub Paper Support remove the ASF Assembly to the back side of the printer Figure 4 23 ASF Assembly Remo...

Страница 86: ...he position is seen from the back side of the printer ASF right side ASF Securing Screw ASF left side Screw with Washer Refer to Figure 4 22 ASF Left Protrusion Installation Point C A U T I O N n When installing the ASF Assembly be careful not to pinch any motor or sensor cables under the ASF Especially if the cables from the motor are pinched there is a danger of short circuit and possibly causes...

Страница 87: ...er Shaft Fixing Bushing Removal Shift the Left ASF LD Assembly on the left to the center and remove the Left ASF LD Roller Shaft Fixing Bushing white Refer to Figure 4 27 4 Push the LD Roller Shaft to the left and remove the ASF HP Detection Wheel from the end of the shaft Refer to Figure 4 27 Figure 4 27 ASF LD Roller Fixing Bushing and ASF HP Detection Wheel Right Hopper Release Lever LD Roller ...

Страница 88: ...arefully remove the Compression Spring 1 961 Refer to Figure 4 35 from both sides between the ASF Hopper Assembly and the R L ASF LD Roller Assembly 8 Shift the ASF LD Roller Shaft to the left and remove the LD Roller Shaft from the ASF LD Roller Shaft hole of the right side of the ASF Frame 9 Remove the LD Roller Assembly from the LD Roller Shaft ASF Hopper Assembly ASF Hopper Upper Left Installa...

Страница 89: ...t the grease on the cam parts touch other parts Wipe off any grease smeared on other parts n Be careful of the direction of the Hopper Release Lever when installing it Refer to Figure 4 31 n Make sure the LD Roller Assembly is installed firmly to the rail of the ASF Frame Refer to Figure 4 32 n Make sure the Left Frame of the left LD Roller Assembly is set to the cutoff of the Paper Edge Guide Ref...

Страница 90: ...e Right LD Roller Assembly to the ASF Frame make sure the Right LD Roller Assembly is locked by the hook on the back of the right side of the ASF Frame Refer to Figure 4 34 n Before installing the ASF Hopper Assembly to the LD Roller Assembly set the Compression Spring 1 961 to the spring installation hook of the LD Assembly temporarily After assembling move the LD Roller Assembly to the hole on t...

Страница 91: ...PSON Stylus COLOR 670 Revision A isassembly and Assembly Disassembly 91 gure 4 35 Compression Spring 1 961 Temporary Fixing Position Compression Spring 1 961 Screw Fixing Hooks ...

Страница 92: ...Cover LD Roller Assembly Fixing Hooks C H E C K P O I N T n Before installing the ASF Hopper Assembly to the LD Roller Assembly set the Compression Spring 1 961 to the spring installation hook of the LD Assembly and hang the bent part of the spring on the hook After assembling the unit do not forget to unhook the springs by rotating the spring from the holes located at the back of the ASF Assembly...

Страница 93: ... upper left Figure 4 39 Driven Pulley Assembly Removal 5 Move the Driven Pulley Holder to the right and remove it from the frame 6 Release 2 PG Lever securing hooks from the Right Frame and remove the PG Lever Figure 4 40 PG Lever Hook Release 7 Release1 hook of Sub PG Lever and remove the Sub PG Lever and Spring Washer from the right end of the CR Guide Shaft 8 Remove 1 screw securing the Right P...

Страница 94: ...ot to install it in wrong direction See Figure 4 41 n When installing the CR Assembly to the CR Guide Shaft make sure the Oil Pad is set to the specified position of the CR Assembly n When the Oil Pad is especially dirty replace the Oil Pad with a new one which is lubricated with the specified amount of oil Frame Right Cutoffs CR Guide Shaft Right Parallelism Adjust Bushing A D J U S T M E N T R E...

Страница 95: ...g it upward Figure 4 43 PE Sensor Assembly Removal Figure 4 44 PE Sensor Lever Head Setting Position After releasing two hooks remove the PF Sensor Assembly sliding it upward From back side of the frame PE Sensor Holder This side should be installed on the frame PE Sensor Board Assembly Torsion Spring 0 22 PE Sensor Lever C H E C K P O I N T When installing the PE Sensor Assembly make sure that th...

Страница 96: ...to remove the Paper Eject Frame from the Printer Mechanism When removing the Paper Eject Frame from the Printer Mechanism shift the CR Unit to the CR Shaft left direction by hand and remove it from the Paper Eject Frame toward the front side of the Printer Mechanism Then shift the CR Unit to the center of the CR Shaft and remove the left side of the Paper Eject Frame toward the front side of the p...

Страница 97: ... C K P O I N T n When reinstalling the Right Upper Paper Guide let the head of the PE Sensor Lever go through the cutoff of the Right Upper Paper Guide from the front side of the printer n Be careful not to damage the hook when removing or installing the Front Paper Guide n Be careful not to damage the gray coated part of PF Roller Assembly during disassembly and assembly n Be careful not to damag...

Страница 98: ... and Assembly Disassembly 98 2 5 11 CR HP Sensor Removal Remove the Housing Housing Removal on page 72 Disconnect the cable from the CR HP Sensor and remove it by releasing its hook Figure 4 50 HP Sensor Removal Sensor Securing Hook CR HP Sensor ...

Страница 99: ...C H A P T E R 5 ADJUSTMENT ...

Страница 100: ...nts Performance Priority 1 2 3 4 4 5 Service Replacing parts PG Adjustment Initial Ink Charge Head ID Setting Head Angular Adjustment Bi D Adjustment USB ID Input eplacing the printer mechanism NA Q R NA S NA eplacing the Main Board NA NA Q NA R S eplacing the printhead unit NA Q R S T NA eplacing the CR motor NA NA NA NA Q NA eplacing or removing the CR ssembly Q NA NA R S NA OTE Required Adjustm...

Страница 101: ...ove the Right Parallelism Adjust Bushing to the rear until the thickness gauge is enabled to move with the carriage when you move the carriage about 20mm right and left When you move the Right Parallelism Adjust Bushing to the rear gap will be narrowed If the thickness gauge already moves with the carriage move the Right Parallelism Adjust Bushing to the front gap will be widen A U T I O N n Do no...

Страница 102: ...not move Figure 5 2 Paper Gap Adjustment Adjusting Method Perform the same procedures above from 1 to 6 for the Left Parallelism Adjust Bushing Check the Gap After completing the adjustment for Left Parallelism Adjust Bushing check the PG at the right side one more time Fixing right Left Parallelism Adjust Bushing After completing the PG adjustment fix the Right Left Parallelism Adjust Bushing wit...

Страница 103: ...edure is adjustment program is in the 3 5 2HD FD The first FD is the installer k When you execute Setup exe the installation of the program will be rted under Windows 95 98 After installation is completed the EPSON ylus COLOR 670 icon will be automatically made in the program menu Start Program and click the icon to start this program 3 2 Adjustment Program is adjustment program is exclusive for W...

Страница 104: ...rmation can be found by clicking the Version button 2 Click OK to proceed to the main window which is described below and shown on the next page If you mistake the model name or market destination the program may not operate properly The main window of the program is shown on the next page C H E C K P O I N T If a problem occurs make sure the driver is installed the printer is connected to the hos...

Страница 105: ... Figure 5 4 EPSON Stylus COLOR 670 Service Program Main Window Click a menu tab to access the corresponding menu Click a radio button to see the available options Options appear in this section of the window Useful information such as the stored Head ID appear in this section ...

Страница 106: ...PSON Stylus COLOR 670 Revision A djustment Using the Adjustment Program 106 3 4 Check This Model Name ck the Check this model name radio button to confirm the model me that is written in the PROM ...

Страница 107: ...his program 1 Select Head voltage ID Input from the Adjustment menu The screen below appears Figure 5 5 Head ID Input Main Menu 2 Before replacing the MAIN board select Check present data in the screen above and click OK H E C K P O I N T n Perform this adjustment when the following repair service is done n Replacing the head n Replacing MAIN board n Replacing printer mechanism n Perform the adjus...

Страница 108: ...de label from the left side to the right on the top line and then the left to the right of the bottom line If the head ID is not correctly input one of the following errors will be indicated on the bottom of the screen according to the error type o The number of input figure is incorrect o The parameter is not within the input range o Check ID is incorrect H E C K P O I N T n Check the current hea...

Страница 109: ... you to see the pattern Figure 5 9 Head Angular Adjustment Pattern 3 Check the printed pattern If the series of magenta lines are not printed directly in the center between the series of black liines select Move the carriage to the adjustment position and click OK The carriage moves to the center so you can manually adjust the head angle H E C K P O I N T n Perform this adjustment when the followi...

Страница 110: ...ular adjustment position loosen the screw fixing the printhead which is located at the right side of the CR NOTE When loosing tightening the head securing screw hold the CR unit If you do not hold the CR unit the upper frame may be deformed resulting in poor image quality Figure 5 11 Screw Position for Fixing the Printhead Printhead securing screw ...

Страница 111: ... lever position toward the rear of the printer gure 5 12 Head Angular Adjustment Lever Adjusting Method Select Print the head angular adjustment pattern and perform the test print If more adjustment is necessary repeat steps 2 to 5 otherwise proceed to step 7 7 After finishing the adjustment tighten the head screw while holding the unit If necessary select Move the carriage to the adjustment posit...

Страница 112: ...e following is e adjustment procedure 1 From the Adjustment menu select Bi Directional adjustment and then select Print the Bi D adjustment pattern Click OK Figure 5 14 Bi d Adjustment Selection H E C K P O I N T n Perform this adjustment when the following repair service is made n Replacing or removing the head n Replacing or removing the CR unit n Replacing or removing the CR motor n Replacing o...

Страница 113: ...the vertical lines in the current pattern middle of the three sets If all lines are vertically aligned adjustment is not required If the center current set of lines is not aligned select Adjust and click OK 4 The following screen appears and select the kind of Bi D adjustment that is required while refering to the printed patterns Select Multi Shot dot from the Item box if the Multi Shot dot patte...

Страница 114: ...and enter that number Click OK To print the pattern again click Previous two times to get back to the correct screen Then select Print the Bi D adjustment pattern and click OK If the central three lines of the adjustment pattern are not aligned repeat from step 3 to step 7 OTE You can check the current adjustment data by the following operation Select Check present adjustment data and click OK the...

Страница 115: ...te individual USB port based on SB ID to supervise each port correctly The following is the procedure of putting USB ID 1 Select and click USB ID check input from the Adjustment menu The following screen appears Figure 5 20 Main USB ID check input Screen 2 Select Input USB ID from USB ID Input main menu and click OK C H E C K P O I N T n When inputting the USB ID input the data referring to the 10...

Страница 116: ... the the main USB screen shown below TO ONLY CHECK THE USB ID To just check the USB ID without having to enter anything select the Check USB ID radio button and click OK Figure 5 22 USB ID Input Screen 3 NOTE If you use Windows 98 you can verify the USB port is communicating properly with the Confirmation of the USB Port is performed normal using the Check USB port function menu from the USB ID in...

Страница 117: ...e dot missing is occurred to perform the head cleaning more ectively By selecting performing this sequence the powerful cleaning L which consumes ink the most among manual CL rubbing is rformed constantly Select Head Cleaning from the Maintenance menu The following screen appears Figure 5 23 Head Cleaning Click OK in the screen above and CL2 cleaning will be performed ...

Страница 118: ...the Maintenance menu select Initial Ink Charge The following screen appears Figure 5 24 Initial Ink Charge 2 Click OK in the screen above and the initial ink charge will be performed H E C K P O I N T n Perform this adjustment when the following repair service is made n Replacing the head n Replacing the printer mechanism n Perform the adjustment items described in Table 5 1 in the appropriate ord...

Страница 119: ... The current counter value will be read from EEPROM and will be indicated in the lower box 4 If the counter value exceeds 25000 points or if you replace the waste ink pad absorber clear the protect counter 5 To clear the protect counter click Previous in the screen above to return to the Protection counter check clear screen 6 Select Clear the protection counter value and click OK H E C K P O I N ...

Страница 120: ...PSON Stylus COLOR 670 Revision A djustment Using the Adjustment Program 120 Figure 5 27 Current Counter Value Indication In the screen above click OK to clear the waste ink counter ...

Страница 121: ... each nozzle print pattern is uniformly printed it is OK Alignment Pattern print Check the alignment on each nozzles on Uni d print and the alignment of black and each color Head Angular Adjustment Head Actuator Voltage ID Ink Waste Pad Counter Value Bi d Adjustment result To print out the A4 check pattern click the Print A4 Pattern tab Click the A4 pattern will print radio button and then click O...

Страница 122: ...C H A P T E R 6 MAINTENANCE ...

Страница 123: ... to remove any paper dust ASF LD Roller If paper dust on the surface of ASF LD Roller lowers the friction set the adhesive surface of the cleaning sheet included in the media to the surface of the ASF roller and repeat loading paper from the ASF A U T I O N n Never use chemical solvents such as thinner benzine and acetone to clean the exterior parts of printer like the housing These chemicals may ...

Страница 124: ...er indicator is not blinking and press Maintenance button on the control panel After performing the head cleaning sequence perform the print check If you repeat cleaning without print check the weakest cleaning CL1 will be repeated o Maintenance Request Error Ink is used for cleaning operation as well as printing When ink is used for cleaning the ink is drained to Waste Ink Pad Ink Absorber Tray A...

Страница 125: ...pply grease while rotating spur gear 36 attached at the left end of PF roller Do not attach the grease to the paper path Use a syringe to apply it 2 Lubrication Point Amount Contact point between PF roller of the front paper guide and hook 1 point lubrication amount 10mm Contact point between paper eject roller of the front paper guide and hook 2 points lubrication amount 2mm Lubrication Type G 26...

Страница 126: ...int Remarks 10 Lubrication Point ASF Contact points between hopper and hopper release lever Lubrication Type G 26 Lubrication Amount Evenly apply lubrication to the points Evenly apply lubrication to the contact point with hopper release lever cam Completely wipe off any grease sticking out to the inner side of ASF 11 Lubrication Point The round cutout in the left frame of ASF Spur gear 34 is inse...

Страница 127: ...ance Overview 127 No 1 No 2 No 3 Upper Frame No 11 Spur Gear 34 No 4 Spur Gear 67 2 Combination Gear 16 40 8 No 4 Spur Gear 23 2 No 5 Combination Gear 16 40 8 Shaft No 4 Combination Gear 3 30 No 6 Bush 12 Inside No 7 Bushing 6 Shaft Receiver ...

Страница 128: ...ance Overview 128 Driven Pulley Holder No 8 ASF Hopper Assembly No 10 ASF Frame No 9 No 12 CR Oil Pad Amount of Oil 0 7cc Never apply more than specified Carriage CR Guide Shaft 5cm 5cm CR Unit Flags Dispenser Front Side of the Printer No 13 ...

Страница 129: ...C H A P T E R 7 APPENDIX ...

Страница 130: ...er Mechanism Table 7 1 Connector Summary for C259Main Connector Function Table to refer CN1 Parallel Interface Connector Refer to IEEE 1284 Parallel I F Forward Channel on page 18 CN3 USB Interface Connector Refer to USB Universal Serious Bus on page 22 CN4 HP Sensor Table 7 2 CN5 PE Sensor Table 7 3 CN6 ASF Sensor Table 7 4 CN7 PF Motor Table 7 5 CN8 Printhead Table 7 6 CN9 Printhead Table 7 7 CN...

Страница 131: ...DD Out Nozzle selector 5V power supply 9 GND Ground 10 VHV Out Nozzle selector 42V power supply 11 GND2 Ground 12 GND2 Ground 13 GND2 Ground 14 COM Out PZT drive signal 15 COM Out PZT drive signal 16 COM Out PZT drive signal Table 7 7 Connector CN9 Pin Signal Name I O Function 1 NCHG Out All nozzle drive signal 2 GND Ground 3 SCK Out Serial data clock signal 4 GND Ground 5 SP Out CH signal select ...

Страница 132: ...ignal Name I O Function 1 SW2 In Panel switch on off signal 2 SW0 In Panel switch on off signal 3 PSC In Power on off switch 4 SW1 In Panel switch on off signal 5 LED3 Out Panel LED signal 6 5V Out 5V panel board power supply 7 5V Out 5V panel board power supply 8 LED2 Out Panel LED signal 9 GND Ground 10 LED1 Out Panel LED signal 11 GND Ground 12 LED0 Out Panel LED signal Table 7 10 Connector CN1...

Страница 133: ...erved 00H 0FH Reserved 00H 10H CPSI password 00H 00H 11H CPSI password 00H 00H 12H CPSI password 00H 00H 13H CPSI password 00H 00H 14H CPSI password 00H 00H 15H CPSI password 00H 00H 16H Print direction control 0 Bi D 1 Uni D 2 Auto 02H 02H 17H CG table 0 PC 437 1 PC 850 00H 00H 18H Font 0 Courier 00H 00H 19H Pitch 0 10cpi 00H 00H 1AH Auto LF Network I F mode bit1 Network I F mode 0 Off 1 On bit0 ...

Страница 134: ...00H 3EH Reserved 00H 3FH 00H Table 7 11 EEPROM Address Map continued ddress Explanation Settings QPIT Settings Factory Settings 40H Password 0FH 41H 5AH 42H Ink flag 1 bit7 Reserved bit6 Black one time bit5 Color one time bit4 Initial fill required bit3 Reserved bit2 Ink cleaning seq bit1 Bk CL required bit0 Color CL required 00H 10H 43H Ink flag2 bit2 YMC cartridge changed and cleaned bit1 Black ...

Страница 135: ...66H Ink counter Rv80 00H 00H 67H 00H 00H 68H CL time 00H 2 69H 00H 2 Table 7 11 EEPROM Address Map continued ddress Explanation Settings QPIT Settings Factory Settings 6AH Reserved 00H 00H 6BH 00H 00H 6CH Power off time 00H 00H 2 6DH 00H 00H 2 6EH Reserved 00H 6FH 00H 70H Accumulated printing time 00H 00H 71H 00H 00H 72H Reserved 00H 00H 73H 00H 00H 74H 00H 00H 75H 00H 00H 76H 00H 00H 77H 00H 00H ...

Страница 136: ...dress Explanation Settings QPIT Settings Factory Settings D4 Reserved 00H D7H 00H D8H Custom EEPROM sub number 00H 00H D9H 00H 00H DAH 00H 00H DBH 00H 00H DCH Panel mask function bit7 Entry Self Test bit6 Entry Hex Dump bit5 Extended settings bit4 Reserved bit3 Reserved bit2 Cleaning bit1 Replace I C bit0 Load Eject 00H 00H DDH Reserved 00H DEH 00H DFH 00H E0H Market ID 0 STD 2 Custom 00H 00H E1H ...

Страница 137: ...PSON Stylus COLOR 670 Revision A ppendix Component Layout 137 2 Component Layout Figure 7 2 C301MAIN Component Layout Parts Side Figure 7 3 C301MAIN Component Layout Soldered Side ...

Страница 138: ...PSON Stylus COLOR 670 Revision A ppendix Component Layout 138 Figure 7 4 C301PSB Component Layout Figure 7 5 C301PSE Component Layout Figure 7 6 C209 PNL Component Layout ...

Страница 139: ...igure 7 7 Stylus COLOR 670 Exploded Diagram 1 500 126 102 115 101 180 124 129 124 129 134 100 751 752 752 769 753 126 135 106 130 132 133 450 105 125 122 104 103 181 182 for LATIN 400 123 400 for EAI EUL 120V 400 for ETT 401 for EAI LATIN220V EUR S E ASIA OCEANIA EKL RUSSIA 123 EPSON STYLUS COLOR 670 NO 1 REV 01 10189 ...

Страница 140: ...0 748 739 736 737 744 716 717 718 723 719 735 722 725 724 587 503 750 587 504 534 587 530 532 590 573 501 757 756 758 557 587 565 568 567 587 506 558 556 587 559 505 587 116 108 108 114 112 122 122 200 122 122 122 300 122 122 330 128 510 511 587 113 122 111 109 772 580 579 122 121 131 121 122 587 721 720 708 713 712 711 714 703 703 764 709 EPSON STYLUS COLOR 670 NO 2 REV 01 10189 720 766 without 7...

Страница 141: ...9 548 551 545 550 549 548 551 545 550 549 548 566 563 702 561 701 703 562 564 705 706 507 759 760 761 700 591 515 516 522 527 535 529 531 508 587 765 530 576 509 119 572 570 514 589 571 536 538 542544 542 544 587 587 551 545 550 549 548 551 547 550 549 548 551 542544 512 587 542 544 542544 542 544 542544 542 544 544 542 544 544 544 544 541 539 542 543 540 542 542 542 587 544 776 776 762 560 533 61...

Страница 142: ...PSON Stylus COLOR 670 Revision A ppendix Exploded Diagram 142 Figure 7 10 Stylus COLOR 670 Packing Material 02 for S E ASIA 01 03 04 03 05 Rev 01 PACKING MATERIAL FOR EPSON STYLUS COLOR 670 10168 ...

Страница 143: ... SHIALD PLATE M B 115 LOGO PLATE 116 HOUSING SUPPORT RIGHT B 117 HOUSING SUPPORT LEFT B 119 FOOT 121 C P SCREW 122 C B S SCREW 123 C B O SCREW 4X5 F ZG 124 C B S SCREW 125 C B P TITE SCREW 3X8 F ZN 126 C B P TITE 3X10 F ZN 128 MINI CLAMP 129 C B S P SCREW Q2 C B SCREW 2 6X8 F ZN Q3 C B SCREW 2 6X8 F ZN 300 BOARD ASSY POWER SUPPLY 330 WIRE HARNESS 400 POWER CABLE ASSY 450 BOARD ASSY PANEL 500 PRINT...

Страница 144: ... PIN AW 2X16 F B 523 COMPRESSION SPRING 0 9 Table 7 12 Stylus Color 670 Parts List continued Part Number Description 524 SPURGEAR 67 2 525 SPACER FASTEN ROLLER PF 526 SPACER FASTEN ROLLER PF B 527 C RING 528 PLANE WASHER 12 2X0 5X15 529 ROLLER ASSY PAPEREJECT 530 BUSHING 6 531 RETAINING RING 532 SPURGEAR 36 533 SUPRGEAR 11 534 PLANE WASHER 4 1X0 5X6 5 535 PAPER GUIDE FRONT B 536 GROUNDING WIRE EJ ...

Страница 145: ... 559 DETECTOR HP E 560 CARRIAGE ASSY 561 LEVER ADJUST Table 7 12 Stylus Color 670 Parts List continued Part Number Description 562 GROUNDINGPLATE HEAD 563 OIL PAD 564 SLIDER CR 565 TIMING BELT 566 SHAFT CR GUIDE 567 PULLEY ASSY DRIVEN 568 HOLDER PULLEY DRIVEN 569 COMPRESSION SPRING 19 6 570 LEVER PG 571 LEVER PG SUPPORT 572 TORSION SPRING 63 7 573 COMBINATION GEAR 6 34 4 574 COMBINATION GEAR 8 30 ...

Страница 146: ...Stylus Color 670 Parts List continued Part Number Description 713 PAD BREAK EDGE GUIDE 714 REINFORCEMENT PLATE HOPPER 716 PAD ASSY RIGHT 717 LEVER PAD RELEASE RIGHT 718 ROD SPRING HOLDER PAD 719 HOLDER EDGEGUIDE RIGHT 720 COMPRESSION SPRING 1 17 721 EXTENSION SPRING 0 62 722 LEVER PAPERRETURN RIGHT 723 EXTENSION SPRING 0 294 724 ROLLER LD SUPPORT 725 HOLDER ROLLER LD SUPPORT RIGHT 726 PAD ASSY LEF...

Страница 147: ...34 751 PAPERGUIDE LOWER 752 POROUSPAD INKEJECT LARGE Table 7 12 Stylus Color 670 Parts List continued Part Number Description 753 TRAY PORUSPAD 754 SPACER TRAY 755 BUSHING FASTEN SHAFT LEFT 756 PAPER SUPPORT SUPPORT UPPER 757 HOLDER PAPER SUPPORT SUPPORT UPPER 758 EXTENSION SPRING 0 29 759 COVER CARTRIDGE BK B 760 COVER CARTRIDGE C C 761 SEPARATOR CARTRIDGE BK 762 SEPARATOR CARTRIDGE C 763 DETECTO...

Страница 148: ...c circuits o C301 MAIN Control Circuit o C301 PSB Power Supplu Circuit o C301 PSE Power Supply Circuit o C209PNL Circuit 4 PAD ACCESSORY 5 PLASTIC PROTECTIVE BAG NON FIG INK CARTRIDGE B AS NON FIG INK CARTRIDGE C AS NON FIG SPECIAL COATED PAPER 006 OVERSEAS NON FIG SUPPLEMENT Table 7 12 Stylus Color 670 Parts List continued Part Number Description ...

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