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EPSON Stylus COLOR 880

Revision A

PRODUCT DESCRIPTION

SPECIFICATIONS

12

Scalable font:

EPSON Roman 10.5pt, 8pt - 32pt (every 2pt)

Character Table and Typeface

* These character tables cannot select in the Default setting mode.

Character table

Bitmap font

Scalable font

EPSON Roman
EPSON Courier

EPSON Roman

Italic table

PC 437(US Standard Europe)
PC 850(Multilingual)
PC 860(Portuguese)
PC 861(Icelandic)
PC 865(Nordic)
BRASCII
Abicomp
ISO Latin 1
PC 858
ISO 8859-15

Supported

Supported

PC 437 Greek

PC 852(East Europe)
PC 853(Turkish)
PC 855(Cyrillic)
PC 857(Turkish)
PC 866(Russian)
PC 869(Greek)
MAZOWIA(Poland)
Code MJK(CSFR)
ISO 8859-7(Latin/Greek)
ISO Latin 1T(Turkish)
Bulgaria(Bulgaria)
PC 774
Estonia
ISO 8859-2(ISO Latin 2)
PC 866 LAT
PC 866 UKR

Supported

Supported

PC APTEC(Arabic)

PC 708(Arabic)
PC 720(Arabic)
PC AR864(Arabic)

EPSON Roman

Not supported

Hebrew7*

Hebrew8*
PC 862(Hebrew)*

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Содержание Stylus Color 880

Страница 1: ...StylusCOLOR880 Color ink jet printer SEIJ00011 SERVICE MANUAL SERVICE MANUAL SERVICE MANUAL SERVICE MANUAL ...

Страница 2: ...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 EPSON is a registered trademark of SEIKO EPSON CORPORATION General Notice Other product names used herein are for identi...

Страница 3: ...IN THIS MANUAL 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 WARNING 1 REPAIRS ON EPSON PRODUCT SHOULD BE PERFORMED ONLY BY AN EPSON CERTIFIED REPAIR TECHNICIAN 2 MAKE CERTAIN THAT THE SOURCE VOLTAGES IS THE SAME AS THE RATED VOLTAGE LISTED ON THE SERIA...

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

Страница 5: ...EPSON Stylus COLOR 880 Revision A 5 Revision Status Revision Issued Date Description A August 24 2000 First Release ...

Страница 6: ...ization 23 1 4 6 Errors 24 1 5 PAPER 25 1 5 1 Paper Handling 25 1 5 2 Paper Specification 25 1 5 2 1 Cut Sheet 25 1 5 2 2 Transparency Glossy Paper 25 1 5 2 3 Envelope 25 1 5 2 4 Index Card 26 1 5 3 Printing Area 27 1 5 3 1 Cut Sheet 27 1 5 3 2 Envelopes 28 1 6 INK CARTRIDGE 28 1 6 1 Black Ink Cartridge 28 1 6 2 Color Ink Cartridge 29 Chapter 2 Operating Principles 2 1 Overview 31 2 1 1 Printer Me...

Страница 7: ...e CR Assembly 105 4 2 4 8RemovingthePFRollerAssemblyandPaperEjectRollerAssembly 110 4 2 4 9 Remove the PF Motor Assembly 114 4 2 4 10 Removing the PE Detector Assembly 115 Chapter Adjustment 5 1 Overview 117 5 1 1 Required Adjustments 117 5 1 2 Adjustment Tools Required 118 5 2 Adjustment 119 5 2 1 Parallelism Adjustment 119 5 2 2 Backlash value Adjustment for PF motor 122 5 2 3 Adjustment by Adju...

Страница 8: ...EPSON Stylus COLOR 880 Revision A 8 7 3 Exploded Diagrams and Parts List for Stylus COLOR 880 165 7 4 Circuit Diagram 176 ...

Страница 9: ...C H A P T E R 1 PRODUCTDESCRIPTION ...

Страница 10: ...ylus COLOR 880 are High Color Print Quality 1440 H X 720 V dpi printing Four Color Printing YMCK Traditional and New Microweave Built in Auto Sheet Feeder Holds 100 cut sheets 64g m2 Holds 10 envelopes Holds 30 transparency films Two Built in Interfaces Bi directional parallel I F IEEE 1284 level 1 device USB Windows Macintosh exclusive ...

Страница 11: ... Tables 38 character tables These character tables cannot select in the Default setting mode Typeface Bit map LQ font EPSON Roman 10 CPI 12 CPI 15CPI Proportional EPSON Courier 10 CPI 12 CPI 15CPI Table 1 1 Character Mode Model Character Pitch Printable Column LQ Speed Stylus Color 880 10 CPI Pica 80 238 CPS Table 1 2 Raster Graphics Mode Model Horizontal Resolution Printable Area Available Dot CR...

Страница 12: ...rope PC 850 Multilingual PC 860 Portuguese PC 861 Icelandic PC 865 Nordic BRASCII Abicomp ISO Latin 1 PC 858 ISO 8859 15 Supported Supported PC 437 Greek PC 852 East Europe PC 853 Turkish PC 855 Cyrillic PC 857 Turkish PC 866 Russian PC 869 Greek MAZOWIA Poland Code MJK CSFR ISO 8859 7 Latin Greek ISO Latin 1T Turkish Bulgaria Bulgaria PC 774 Estonia ISO 8859 2 ISO Latin 2 PC 866 LAT PC 866 UKR Su...

Страница 13: ... Consumption Approx 18W ISO10561 Letter Pattern Approx 3 5W in standby mode Energy Star compliant Insulation Resistance 10M ohms min between AC line and chassis DC 500V Dielectric Strength AC 1000V rms 1 minutes or AC 1200V rms 1 second between AC line and chassis 220 240V Version Rated Voltage AC220V 240V Input Voltage Range AC198 264V Rated Frequency Range 50 60Hz Input Frequency Range 49 5 60 5...

Страница 14: ...Non operating 0 50G with shipment container Figure 1 1 Temperature Humidity Range 1 2 7 Reliability Total Print Volume 75 000 pages A4 Letter Print Head Life 3 billion dots nozzle 1 2 8 Safety Approvals 120V Version Safety Standards UL1950 CSA22 2 No 950 EMI FCC part 15 subpart B Class B CSA C108 8 Class B 220 240V Version Safety Standards EN60950 VDE EMI EN55022 CISPR Pub 22 Class B AS NZS 3548 C...

Страница 15: ...n timing When input data buffer is full During INIT signal is at low level or during hardware initialization During printer error see ERROR signal When the parallel interface is not selected ERROR signal is at low level when the printer is in one of the following states Printer hardware error fatal error Paper out error Paper jam error Ink out error PE signal is at high level during paper out erro...

Страница 16: ...al Description 1 STROBE 19 In The strobe pulse Read in of data is performed at the falling edge of this pulse 2 DATA0 20 In The DATA0 through DATA7 signals represent data bits 0 to 7 respectively Each signal is at high level when 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 ...

Страница 17: ...n from the printer side 18 Logic H Out Pulled up to 5V via 3 9 K ohm resistor 35 5V Out Pulled up to 5V via 3 3K ohm resistor 17 Chassis GND Chassis GND 16 33 19 30 GND Signal GND 15 34 NC Not connected Table 1 6 Connector Pin Assignment and Signals continued Pin No Signal Name Return GND Pin In Out Functional Description ...

Страница 18: ...and low level when data is logical 0 These signals are used to transfer the 1284 extensibility request values to the printer 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 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...

Страница 19: ...NOTE 2 MDL value depends on the EEPROM setting NOTE 3 CMD value depends on the IEEE1284 4 setting 1 3 3 USB Interface Standard Based on Universal Serial Bus Specifications Rev 1 0 Universal Serial Bus Device Class Definition for Printing Devices Version 1 0 Bit Rate 12Mbps Full Speed Device Data Encoding NRZI Adaptable Connector USB Series B Recommended Cable Length 2 meters Figure 1 3 USB Pin Ass...

Страница 20: ... interface is let as it is Interface State and Interface Selection When the parallel interface is not selected the interface gets into the busy state When the printer is initialized or returned to the idle state the parallel interface gets into the ready state Note that the interrupt signal such as the INIT signal on the parallel interface is not effective while that interface is not selected 1 3 ...

Страница 21: ... switch and four LED lights Figure 1 4 Control Panel 1 4 2 2 Indicators 1 Power Lights when the operating 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 d...

Страница 22: ...eaning Push for 2 sec Starts cleaning of the printhead In the condition of Ink Low Ink Out or No Ink Cartridge starts the ink cartridge replacement sequence Cleaning Push for less than 2 sec When the carriage is on the ink cartridge replacement position return the carriage to the capping position Table 1 10 Panel Function with Power On Switch Pressing with Power On Function Load Eject 1 Starts sta...

Страница 23: ...egative pulse of parallel interface When printer is initialized the following actions are 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 the following actions are performed a Clears print buffer b Sets default values Table 1 12 P...

Страница 24: ...led fully upsets the ink level detection and may eventually cause a serious problem in the print head Paper Out When the printer fails to load a sheet it goes into a paper out error Paper Jam When the printer fails to eject a sheet it goes into a paper jam error No Ink Cartridge When the printer detects that ink cartridge comes off it goes into this error mode Maintenance Request When the total am...

Страница 25: ...ckness 0 08mm 0 003 0 11mm 0 004 Weight 64g m2 17Ib 90g m2 24Ib Quality Exclusive paper Bond paper PPC 1 5 2 2 Transparency Glossy Paper Size A4 Width 210mm 8 3 x Length 297mm 11 7 Letter Width 216mm 8 5 x Length 279mm 11 0 Thickness 0 075mm 0 003 0 085mm 0 0033 Transparency printing is available only at normal temperature 1 5 2 3 Envelope Size No 10 Width 241mm 9 1 2 x Length 104 8mm 4 1 8 DL Wid...

Страница 26: ...6 1 5 2 4 Index Card Size A6 Index Card Width 105mm 4 1 x Length 148mm 5 8 A5 Index Card Width 148mm 5 8 x Length 210mm 8 3 5 x 8 Index Card Width 127mm 5 0 x Length 203mm 8 0 10 x 8 Index Card Width 127mm 5 0 x Length 203mm 8 0 Thickness Less than 0 23mm 0 0091 ...

Страница 27: ...ze Left Margin min Right Margin min Top Margin min Bottom Margin min A4 3mm 0 12 3mm 0 12 3mm 0 12 14mm 0 54 Letter 3mm 0 12 9mm 0 35 3mm 0 12 14 mm 0 54 B5 3mm 0 12 3 m 0 12 3mm 0 12 14 mm 0 54 Legal 3mm 0 12 9mm 0 35 3mm 0 12 14 mm 0 54 Statement 3mm 0 12 3mm 0 12 3mm 0 12 14 mm 0 54 Executive 3mm 0 12 3mm 0 12 3mm 0 12 14 mm 0 54 Table 1 14 Raster Graphics Mode Paper Size Left Margin min Right ...

Страница 28: ...torage Temperature Storage 20 oC to 40 oC within a month at 40 oC Packing 30 oC to 40 oC within a month at 40 oC Transit 30 oC to 60 oC within 120 hours at 60 oC and within a month at 40 oC Dimension 27 8 mm W x 52 7 mm D x 38 5 mm H Figure 1 7 Black Ink Cartridge Table 1 15 Envelope Margin Size Left Margin min Right Margin min Top Margin min Bottom Margin min 10 3 mm 0 12 28 mm 1 10 3 mm 0 12 14 ...

Страница 29: ...C Packing 30 oC to 40 oC within a month at 40 oC Transit 30 oC to 60 oC within 120 hours at 60 oC and within a month at 40 oC Dimension 42 9 mm W x 52 7 mm D x 38 5 mm H Figure 1 8 Color Ink Cartridge Note 1 Ink cartridge can not be refilled The ink cartridge is prepared only for article of consumption Note 2 Do not use the ink cartridge which contains life expired ink Note 3 Ink will be frozen un...

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

Страница 31: ...1 shows the printer mechanism block diagram for the Stylus COLOR 880 Figure 2 1 Printer Mechanism Block Diagram Motor Name Type Application Feature CR Motor DC with brush Used to drive the carriage making little noise A a linear scale is used to monitor the motor s operating condition PF Motor DC with brush Drives paper feeding rollers used to send paper at specified speeds and load eject paper CR...

Страница 32: ...PZT PZT is an abbreviation of Piezo Electric Element Print signals from the Main board are sent through the driver board on the printhead unit to the PZT Then the PZT pushes the top cavity which has ink stored to discharge the ink from each nozzle on the nozzle plate Cavity Set The ink absorbed from the ink cartridge goes through the filter and then is stored temporarily in this tank called cavity...

Страница 33: ...to Figure 2 3 2 Ejecting State When the print signal is output from the C378MAIN board IC IR4C463S 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 cavity spurts out from nozzles Refer to Figure 2 4 Figure 2 ...

Страница 34: ...rinthead is maintained tilt in a flexible and adjustable structure by the tilt adjustment mechanism Also the parallelism adjustment levers mounted on the left and right sides of the carriage guide shaft are used to set the carriage guide shaft parallel to the platen when the shaft has been installed to the printer mechanism After this adjustment is completed moving the PG adjustment lever sets the...

Страница 35: ...the DC motor that drives the paper feeding mechanism can not measure the paper feeding amount by referring to the pulses given For this reason the loop scale and encoder sensor are directly attached to the left end of the PF roller shaft to mechanically control paper feed amount See Section 2 2 for detailed information on the PF motor control circuit Drive from the PF motor is sent to the PF rolle...

Страница 36: ...ting on the tailing 14 mm it uses a star wheel gear and paper eject rollers Like the Stylus COLOR 440 640 740 this printer also provides this extra printable range of 14 mm from the bottom edge excluding the bottom margin of 3mm by changing the position of the star wheel gear it has been shifted by 5 from the top of the eject roller toward the front paper guide Due to this change the tailing edge ...

Страница 37: ...To make matters worse the holes crater of the nozzles may be completely clogged by the thick ink and they may not be able to return to a normal condition just by a cleaning operation To prevent this the printer enters a carriage lock condition in the following conditions After Power off operation If the printer power is turned off in the middle of printing or any other performances carriage lock t...

Страница 38: ... 2 the planetary gear set in the disengage unit shifts to the combination gear 12 22 4 side 4 The CR unit moves specified steps from the right end of the CR shaft to the left With this movement the DE lock lever fixes the planetary gear unit 5 Torque from the ASF Pump motor is transmitted as described below Motor pinion gear Planetary gear 15 2 Combination gear 12 22 4 Combination gear 14 28 Spur ...

Страница 39: ...sition Then the motor rotates clockwise specified steps to set the LD roller and paper turn lever in place See Standby State in Figure 2 10 2 When the paper loading signal is sent from the PC and the Load Eject button is pressed ASF Pump motor turns counterclockwise to let the LD roller load paper See Paper Pick Up State in Figure 2 10 3 When the paper is transported to the PF roller the LD roller...

Страница 40: ... the left With this motion the DE lock lever fixes the planetary gear set 5 Torque from the ASF Pump motor is transmitted as described below Motor pinion gear Planetary gear 15 2 Combination gear 17 19 25 6 Tension belt Spur gear Pump unit Figure 2 11 Torque to the Pump Mechanism When the ASF Pump motor torque is switched to the pump unit side by the disengage mechanism the function of the pump me...

Страница 41: ...Stylus COLOR 880 it has a newly designed valveless capping mechanism instead of other printers capping mechanism that integrates an air valve An air valve is usually equipped to remove bubbles created inside the cap by releasing the negative pressure However due to change in the ink sequence the new valveless capping mechanism enables this printer to maintain the initial ink charge and cleaning ef...

Страница 42: ...l Circuit Operating Principles The electric circuit of the Stylus COLOR 880 is composed of the following boards Main board C378MAIN Power supply board C378PSB PSE Panel board C298PNL Refer to Figure 2 13 for the major connection of the three boards and their roles Figure 2 14 Electric Circuit of Stylus COLOR 880 ...

Страница 43: ...e C378MAIN like the C267MAIN B board uses the 3 3V drive chips for most of the logic line chips CPU ASIC ROM DRAM For this reason those chips are not driven by the 5VDC but 3 3VDC that is reduced by the IC9 3 3VDC regulator on the C378Main Board Used in the minor changed models of the Stylus COLOR 740 Stylus Pro 750 and Stylus Pro 1200 Figure 2 15 in the right column shows the block diagram for th...

Страница 44: ...ply board or the main board or while the printer mechanism is on duty Following explains each control and protection circuit 42V Line Constant Voltage Control Circuit The output level of the 42V line is monitored by a detection circuit composed of the seven Zener diodes This circuit prevents the voltage from dropping for a constant level of the output voltage 5V line over voltage protection circui...

Страница 45: ... pressuring down the 5 5 VDC also generated on this board to drive several chips See the table below that separately shows the chips driven by the 5V and 3V Table 2 10 3 3V Drive Chips 5 5V Drive Chips See Figure 2 16 for the C378MAIN board block diagram Figure 2 16 Block Diagram for the C378MAIN Board 5V 3 3V Sensors I F Circuit PNL Board CPU ASIC P ROM D RAM Address Data Timer Reset IC IC5 Batt1...

Страница 46: ...motor and CR motor Controls the PF motor and CR motors Sets the current value for the ASF Pump motor Measures the printhead temperature Several interrupting functions Outputs the system clock signal ASIC IC25 Controls interfaces Controls the printhead drive waveform circuit Transfers serial data to the printhead Controls the ASF Pump motor Receives panel control signals and sensor signals EEPROM C...

Страница 47: ...veform is produced in the common driver IC10 E09A14RA based on the following 12 signal lines output from the ASIC IC25 E01A13OA A0 A4 CLK1 CLK2 RST FLOOR DATA DCLK and E By the DATA signal output from the ASIC IC25 E01A13OA the original data for the head drive waveform is written in the memory in the IC10 The addresses for the written data are determined by the A0 A4 signals and of among data used...

Страница 48: ...monitors both the 5V and 45 lines but can reset them independently See Figure 2 18 for the block diagram for the reset circuits 5V line reset circuit The VDD port of the IC5 reset IC monitors the 5V line When the IC detects an abnormal voltage level 4 3 V or lower it outputs a reset signal from the RST port to CPU and ASIC 42V line reset circuit The VIN port of the IC5 reset IC monitors the 45V li...

Страница 49: ...motor the DC motor that drives the carriage can not detect the current carriage position by referring to the pulses given For this reason a linear scale is attached along the carriage operation range to detect the carriage position The linear encoder sensor outputs two kinds of TTL level pulses Phase A and Phase B to IC25 ASIC Figure 2 20 CR Linear Scale Encoder Pulse Direction for the current CR ...

Страница 50: ...ft and the IC15 CPU assumes that it detects the CR lock lever position when the following conditions are satisfied IC15 CPU detects the motor control current value 500 mA Difference X between P1 and P2 number of pulses output while the CR moves from the right frame is 30 or less 4 The CR motor rotates counterclockwise and the CR moves from left to right again and if IC15 CPU detects the motor cont...

Страница 51: ...ignals from the IC15 CPU Unlike a stepping motor the DC motor that drives the PF motor can not detect a paper feeding amount by referring to the pulses given For this reason a loop scale is attached on the Gear 57 to mechanically detect a paper feeding amount The loop scale encoder sensor outputs two kinds of TTL level pulses Phase A and Phase B to IC25 ASIC Figure 2 23 Loop Scale Encoder Pulse Ro...

Страница 52: ...e printer power is turned off Information stored in EEPROM is various adjustment values factory values and printer status values See Appendix for EEPROM Address Map that provides detailed information on the values stored in EEPROM EEPROM is connected to ASIC with 4 lines and each line has the following function CS Chip selection signal CK Data synchronism clock pulse DI Data writing line serial da...

Страница 53: ...e in the printer mechanism This sensor detects paper on the rear paper guide using a photo sensor and PE sensor lever that are included in the sensor When paper passes the PE sensor does not interrupt the photo sensor terminals So a LOW signal is output to the ASIC If there is no paper on the other hand the lever cuts in between the photo sensor terminals which outputs a HIGH signal to the ASIC AS...

Страница 54: ...cale plate attached along the CR scanning direction The minimum resolution of the sensor is 1 180 inch minimum 1 720 inches with all edges of Phase A and Phase B and outputs HIGH signals for the black bands of the scale and LOW signals for the transparent parts to the ASIC The printer controls the CR motor based on the signals output from this sensor The sensor also detects the CR home position ...

Страница 55: ...C H A P T E R 3 TROUBLESHOOTING ...

Страница 56: ... e c t i o n 3 1 1 S e c t i o n 3 1 3 I s t h e p r i n t e r p o w e r o n I s o l a t i n g t h e f a u l t y p a r t o n t h e p o w e r s u p p l y b o a r d S e c t i o n 3 1 2 I s o l a t i n g t h e f a u l t y p a r t a c c o r d i n g t o t h e e x h i b i t e d p h e n o m e n o n s Motor Name Location Check Point CR Motor CN14 Main board Pin 1 2 31 1 OHM 25 PF Motor CN13 Main Board Pin...

Страница 57: ...ble 3 3 Error Indication of Operation Panel Printer Status Indicators Priority Power Ink Out Black Ink Out Color Paper Out Power On Condition On 9 Ink Sequence Blink 6 Ink Cartridge Replacement Mode Blink 5 Data Processing Blink 8 Paper Out On Off Off On 4 Paper Jam Condition On Off Off Blink 3 No Ink Cartridge Ink End Black On 7 Ink Level Low Black Blink 7 No Ink Cartridge or Ink End Color On 7 I...

Страница 58: ...ed to the printhead surface side is disconnected Note the connector green 4 pin is irrelevant as it is for the encoder 5 The micro switch is defective 6 The value for the ink consumption counter in the EEPROM is destroyed 4 Maintenance Error Refer to Section 3 1 1 4 Usual waste ink over flow is requested Note this error can be cleared by the special function through the control panel operation 5 F...

Страница 59: ...rface is removed To remove severe smear staple a cloth moistened with alcohol to a post card and clean the roller in the same manner 2 When the Paper Feed SW is pressed the ASF LD roller feeds the paper to the PF roller But ASF LD roller rotates again and the PF roller advances the paper over the TOF position After that the Panel LED indicates the Paper Out Error Check if the connector yellow 3 pi...

Страница 60: ...d with the Load Eject SW it seems that the Hopper is moving correctly But the paper is not loaded and the Paper Out Error is indicated on the Operation Panel Hand rotate the shaft in the ASF in the paper feed direction and check if the hopper hops out every time you rotate the shaft NOTE Even though the ASF HP sensor is in the proper condition for detecting the ASF home position If the hopper is n...

Страница 61: ...ed Make sure if the paper length is beyond the specifications is used 2 When the printer is turned on the PF roller rotates continuously about 10 sec After that Panel LED indicates the Paper Jam Make sure that any paper dust or material push up the tip of the PE sensor Actuator Viewing the PE sensor from the front check that the actuator is the correct position the actuator falls in the cutout wit...

Страница 62: ...tion to the user well and replaced the I C with new one in the I C replacement sequence The ink consumption counter separately set for black and color ink adds up points according to ink weight used to form one dot This counter is reset the value returns to zero when the I C replacement sequence is performed and I C is replaced If the I C is replaced with the used I C in the I C replacement sequen...

Страница 63: ...y 2 Keeping the right micro switch pressed down place the probes of the tester to the middle and right pins to check for electrical continuity See table 3 2 about the measurement value Table 3 7 Remedies for No I C and Ink Out Errors continued Step Detail Phenomenon Check Actions H o o k s C o n n e c t o r M i c r o S w i t c h e s S t e p 1 S t e p 2 P u s h 1 P u s h 2 6 Ditto If the address fo...

Страница 64: ... not accept any data from the PC The EEPROM initialization mode initializes the following items Accumulated power off time The value for the Timer IC is reset CL Timer The CL timer which is also called fire waiting timer secures the printer specific period of time so bubbles formed around the printhead during a cleaning vanish I F selection Selects Auto the factory default from 3 I F selection ite...

Страница 65: ...rror Check the CR Encorder sensor board visually In case the CR Encorder sensor board is not mounted in the sensor mounting position mount it in the CR mounted position securely In case the CR Encorder FFC is disconnected from the connector on the CR Encorder sensor board connect it securely 2 Ditto Referring to step 2 in Section 4 2 4 7 and Figure 4 49 check that the CR liner scale is set between...

Страница 66: ...sistance using the tester as following figure Resistance 31 1 Ω 25 Table 3 9 Remedies for Fatal Error continued Step Detail Phenomenon Check Actions CR Motor 7 When the Printer is turned on the PF motor dose not move After that the Panel LED indicates the Fatal Error Since the PF motor is DC motor measure the coil resistance using the tester as following figure Resistance 47 6 Ω 25 8 When the Prin...

Страница 67: ... sure if the ASF unit is not assembled to the suitable position as following figures 10 When the Printer is turned on the ASF dose not move at all After that the Panel LED indicates the Fatal Error Make sure that the Torsion Spring 0 618 is hung to between the DE lock lever and the hook on the DE unit as following figure Table 3 9 Remedies for Fatal Error continued Step Detail Phenomenon Check Act...

Страница 68: ...dary side Therefore if the FFC does not transfer signals the printer does not operate despite the power supply board and the main board are properly connected 3 Is the 3pin of the Panel FFC breaking wire condition Check the 3pin s line on the Panel FFC with the circuit tester 4 Has the fuse F1 on the power supply board blown Check if the line in the F1 located beside the CN1 on the power supply bo...

Страница 69: ...ibed below Step 1 On Step 2 Off Step 3 Off Step 4 On Table 3 10 Isolating the Faulty Part on the Power Supply Board Step Check Point Action S t e p 1 G D S S t e p 2 G D S S t e p 3 G D S t e p 4 G D S t e p 1 S t e p 2 N P N T r S t e p 3 S t e p 4 B C E B C E B C E B C E 11 Is the PNP connection transistor defective Check the PNP connection transistor on the C378 PSB SE board in the same manner ...

Страница 70: ... or need more information to isolate the cause according to the exhibited phenomenon The contents mostly cover the problems relating to the C298 and their remedies Table 3 11 Phenomenons Exhibited No Phenomenon Exhibited Table to refer to 1 CR motor does not rotate Table 3 12 2 PF motor does not rotate Table 3 13 3 pump ASF motor does not rotate Table 3 14 4 Cleaning does not solve the print probl...

Страница 71: ... board with a screw C378Main Board 5 0 V 5 0 V S A M P L E C 2 0 u S V 1 0 1 V B l a c k L i n e C R A R e d L i n e C R B Table 3 13 PF Motor does not Operate Step Check Point Action 1 Getting ready for inspecting waveforms The CN13 connector used to control the PF motor is indicated in the figure below Using the oscillo scope check for the waveform for each phase output from the indicated connec...

Страница 72: ...the probe of the oscillo scope to the tapped hole in the bottom plate on the board with a screw Note the connector has no ground line since this printer drives the motor with the bipolar system C378Main Board 2 Check of the waveform and remedies While trying to drive the Pump ASF motor the waveform output from each phase should be as shown below If the waveforms output from each phase are as shown...

Страница 73: ...though they are not installed aslant as shown below disconnect the FFC once and connect them again then run a print check C378 Main Board 4 Check the cap for any foreign matter dirt or damage Release the carriage lock to move the carriage unit away from the home position Then have a close look at the cap rubber and check for any problem below 5 Has the Tension Spring assembled in the Cap Unit come...

Страница 74: ...ad Board Head FFC 8 Is the head driver transistor defective If you see the C378 Main from the heat sink side the following two power transistors can be found Q3 and Q4 Outputs the common voltage To check if each pair transistor is working properly check the trapezoid waveform at the emittor terminal of the charging side Check the waveform while running a print Check the continuity of each transist...

Страница 75: ...ead transistor in Step 8 the base terminal input the similar trapezoid waveforms from the pre driver IC but any wave form is not input at Emita terminal Replace the Power Transistor If the waveforms are not output correctly on Base terminal of each Power Transistor replace the IC10 or 11 on C378 Main Board Otherwise replace the C378 Main Board Table 3 15 Cleaning does not Solve the Print Problem c...

Страница 76: ...C H A P T E R 4 DISASSEMBLYANDASSEMBLY ...

Страница 77: ...r a pair of gloves to protect your hands than the sharp edge in the printer mechanism If ink comes into contact with your skin wash it off with soap and water If irritation occurs contact a physician A lithium battery is installed on the main board of this printer Be sure to observe the following instructions when serving the battery Keep the battery away from any metal or other batteries so that ...

Страница 78: ... assembling or adjusting the printer Apply lubricants and adhesives as specified See Chapter 6 for details Make the specified adjustments when you disassemble the printer See Chapter 4 for details When assembling if an ink cartridge is removed and needs to be installed again be sure to install a new ink cartridge because of the following reasons Once the ink cartridge mounted on the printer is rem...

Страница 79: ... referring to the table below Note that the screw numbers described in the manual correspond to the numbers in the table Table 4 2 Screw Characteristic No Body Name Size 1 Bind S tite M3X6 2 Bind P tite CBP tight M3X6 3 Bind P tite CBP tight M3X8 4 Bind P tite CBP tight M2 5X5 5 Pan head C P M3X6 6 C Pan head B tite Sems W1 M3X8 7 Bind S tight Sems R2 CBS Sems M3X6 8 Bind S tight M3X10 9 Pan head ...

Страница 80: ...heating Checked Not necessary Paper feeding mechanism Is paper fed smoothly Checked Not necessary Does paper get jammed Checked Not necessary Does 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 obstruct...

Страница 81: ...EPSON Stylus COLOR 880 Revision A Disassembly and Assembly Disassembly Procedures 81 4 2 Disassembly Procedures The flowchart below shows procedures for disassembly Figure 4 1 Flowchart of Disassembly ...

Страница 82: ...sing C A U T I O N Lift up and remove the Upper Housing pulling it forward Since it collides with the carriage C H E C K P O I N T After assembling the Upper Housing confirm the Head FFC is placed in the gutter which is located at the back side of the of the Upper Housing In case the Head FFC is not placed in the gutter it may damage the head FFC C A U T I O N To prevent Head FFC damage the Upper ...

Страница 83: ...hen take all cables below out of the connectors on the main board CN1 AC Source on PS board CN5 PE sensor CN6 ASF HP sensor CN7 ASF Pump motor CN8 Head FFC1 CN9 Head FFC2 CN10 PS Cable CN11 Control Panel CN12 PF Encoder Sensor CN13 PF motor CN14 CF motor After removing all the cables from the Main Board detach the Shield Plate M B Assembly completely from the printer mechanism 4 When removing each...

Страница 84: ...e M B Assembly Earth Plate No5 Screws No1 Screws No1 Screws C A U T I O N Since the CN10 is a locking connector be sure to release the locks before removing the cables Also make sure to lock them when connecting the cable Tighten the No 1 screw securing the circuit board with 7 1 kgf cm torque Additional torque may cause deformation in the base plate or circuit board ...

Страница 85: ...sure to perform the following adjustments after replacing the Main Board 1 Head voltage ID Input Refer to Chapter 5 2 Bi D adjustment including Head Gap Adjustment Refer to Chapter 5 3 USB ID data input Refer to Chapter 5 Be sure to exchange the following parts also when replacing the Main Board 1 Waste Ink Absorption Pad 2 Ink Cartridge BK Color This parts exchange is required since the several i...

Страница 86: ...4 Disassembling the Printer Mechanism Since Stylus Color 880 do not have the Lower Housing the printer mechanism part should already appear by now Therefore this section explains procedures for disassembling the major parts or units of the printer mechanism No 3 Screws No 1 Screws Sub Right Panel Housing Operation Panel Assembly ...

Страница 87: ...the Ink Cartridge Detector Sensor Cable from the Print Head Unit Figure 4 7 Removing the Printhead No3 Screw Head FFC Holder Two hooks for Head FFC Holder C H E C K P O I N T Make sure that the earth board is installed at the left of the CR unit correctly There are 2 pins used to determine the location Refer to Figure 4 8 When you install the printhead to the carriage make sure that the two protru...

Страница 88: ...This part should be touching the CR shaft receiver Nozzle Selector is included in the printhead Make sure that these protrusions are in the U ditches of the print head side Make sure that the protrusion of the carriage is aligned with the holes of the earth board Carriage Assembly Printhead Surface Printhead Circuit Board ...

Страница 89: ... to the Waste Ink Absorber Tray Assembly Remove the Lower Paper Support Front by releasing three hooks Refer to Figure 4 10 5 Inserting a screw driver through the cutout remove one screw No 3 securing Waste Ink Absorber Tray Assembly to the right bottom part of the mechanism Refer to Figure 4 10 6 On the Left side of the printer mechanism using tweezers or a small screw driver carefully shift the ...

Страница 90: ... Refer to Figure 4 11 2 Be careful not to damage Loop Scale when removing the Tray Spacer A D J U S T M E N T R E Q U I R E D 1 After the replacing the Waste Ink Absorber perform the following Panel Reset Function for ink overflow counter Turn on the Printer while holding the Load Eject SW Cleaning SW then hold Cleaning SW for 10 seconds Otherwise perform the counter reset operation by using the a...

Страница 91: ...n Panel Refer to Section 4 2 3 3 Remove one screw No 1 securing the Right Sub Frame Refer to Figure 4 12 Figure 4 12 Removing the Right Sub Frame 4 Remove the Waste Ink Absorber Tray Assembly Refer to Section 4 2 4 2 5 Raise the Printer Mechanism toward ASF side so that you can see the bottom of the Printer Mechanism Refer to Figure 4 13 Figure 4 13 Raising the Printer Mechanism NO 1 Screws Right ...

Страница 92: ...Pump Assembly Cap Assembly C A U T I O N 1 When replacing the cleaner head built in the Pump assembly be careful of the following points Do not touch the cleaner head with your bare hands Use gloves or tweezers Do not smear the head cleaner with oil or grease Set the Cleaner Head into place as shown in Figure 4 14 2 When replacing the Cap Assembly do not touch the sealing rubber portion of the Cap...

Страница 93: ...e connecting the pump assembly and the cap assembly Check that the ink tube is connected securely to the connect portion of the Cap Assembly Refer to the Figure 4 16 Check that the ink tube is placed correctly in the Ink System Assembly Refer to Figure 4 16 After installing the Pump Assembly ensure that the cleaner parts move back and forth by rotating the Gear After setting the three protrusions ...

Страница 94: ...ight using a screw driver and remove the Timing Belt carefully from the pinion gear on the CR motor Refer to Figure 4 17 Figure 4 17 Removing the Timing Belt 4 Remove screw No 5 while holding the CR motor and remove the CR motor assembly Refer to Figure 4 18 Figure 4 18 Removing the CR Motor Assembly Driven Pulley Holder CR Timing Belt C A U T I O N When you remove the Timing Belt from the pinion ...

Страница 95: ... Mechanism 5 Remove the No 1 screw and take out the Protection Sheet 6 Using tweezers remove the Tension Spring 7 37 on the Middle Frame and loosen the No 1 screw securing the Metal Plate for Combination gear 12 22 92 Refer to Figure 4 20 Figure 4 20 Removing the Tension Spring 7 Loosen the Tension Belt by pushing down the Metal Plate for Combination Gear 12 22 92 and remove the Tension Belt from ...

Страница 96: ...it Refer to Figure 4 23 10 Pull the left edge of the DE Lock Lever to your side slightly and slide it to the left carefully to remove the DE Lock Lever from the hole in the Top Frame Refer to Figure 4 23 11 Remove two screws No 1 No 3 securing the DE unit Refer to Figure 4 24 No 1 Screw Securing the DE Unit to the Middle Frame No 3 Screw Securing the DE unit to the Top Frame Figure 4 23 Removing t...

Страница 97: ...crew from the Top Frame in Step 11 C H E C K P O I N T Check that all gears are assembled in the DE unit Refer to Figure 4 26 Before you assemble the ASF Pump motor to the DE unit set the Planetary gear 15 2 unit to the Pump drive side Make sure that the Panel FFC is placed on the bottom frame before you assemble the DE unit to the Middle Frame Set the Tension Belt to the 17 19 gear of the Combina...

Страница 98: ...e 4 27 Setting the Tension Belt to 17 19 Gear Figure 4 28 Setting the Tension Spring 7 37 Combination Gear 17 19 25 6 Combination Gear 12 22 4 Combination Gear 14 28 Planetary Gear 15 2 Combination Gear 17 19 25 6 DE Assembly Tension Belt Hook on the Metal Plate for Combination Gear 12 22 9 Tension Spring 7 3 Hook on the Middle Frame ...

Страница 99: ...ensor Cable PF Motor Cable 3 Remove two screws No 7 and ASF fixing screw securing the ASF unit to the Bottom Frame Refer to Figure 4 29 Figure 4 29 Removing the ASF Assembly 1 4 Slide the ASF unit to the right viewed from back and pull it backward carefully Refer to Figure 4 30 Figure 4 30 Removing the ASF Assembly 2 ASF Fixing Screw No 7 Screw ASF Assembly Right Side ASF Assembly Left Side C A U ...

Страница 100: ...nstalling the ASF unit is to the Bottom Frame Otherwise gears may be damaged Refer to Figure 4 31 Protrusion on the ASF Combination Gear 14 28 Gear 32 Middle Frame Fixing Hole C H E C K P O I N T Screws for ASF Assembly should be used at the following positions Looking from the back of printer Refer to Figure 4 29 Right Side viewed from the front ASF Fixing Screw Left side viewed from the front Sc...

Страница 101: ...Lever from the right edge of the LD Roller Shaft Refer to Figure 4 33 Figure 4 33 Removing the Gear 32 LD Roller 4 Raise the Paper Return Lever on the right side and slide the LD Roller Shaft to the left Release the hook securing the ASF HP Detection Wheel and remove the Wheel Slide the LD Roller Shaft to the right and remove it from the ASF frame Refer to Figure 4 33 Figure 4 34 Removing the ASF ...

Страница 102: ... Releasing the Hopper Assembly 6 Set the right arm portion of the Hopper Assembly to the square hole in the right side of the ASF Frame and remove the Hopper Assembly and Compression Spring 2 06 carefully Refer to Figure 4 36 Figure 4 36 Setting the Right Arm of Hopper Assembly Fixing Protrusion in the ASF Frame Step 2 ASF Hopper Assembly Step 1 Square hole in the right side of the ASF Assembly Ri...

Страница 103: ...Figure 4 38 Removing the Edge Guide Figure 4 39 Assembling the LD Hopper Release Lever Hopper Assembly ASF Frame Compression Spring 2 06 ASF HP Detection Wheel Paper Feed Roller Assembly LD Roller Shaft Gear 32 Hopper Release Lever C H E C K P O I N T During disassembly and assembly of the hopper assembly do not let the grease on the cam parts touch other parts Wipe off any grease smeared on other...

Страница 104: ...ller Cover to the Paper Feed Roller Assembly Refer to Figure 4 40 Left Figure 3 Release the two hooks securing the LD Roller and remove the LD Roller from the LD Roller Cover Refer to Figure 4 40 Right Figure Figure 4 40 Releasing hooks for LD Roller C H E C K P O I N T When installing the LD roller assembly make sure that the hooks are hung on the Paper Feed Roller Assembly Do not touch the surfa...

Страница 105: ...Belt by pushing the Driven Pulley Holder to Right and remove the Timing Belt from the pinion gear of the CR motor Refer to Figure 4 40 4 Using tweezers take the Compression Spring 23 52 out of the Driven Pulley Holder Refer toFigure 4 42 Figure 4 42 Taking Out the Compression Spring 23 52 5 Slide the Driven Pulley Holder to the right and remove it to the front 6 Remove the Driven Pulley from the D...

Страница 106: ...r to Figure 4 45 Figure 4 45 Removing the Torsion Spring 63 7 PG Lever 10 Remove the screw C B S TITE P4 fixing the Right Pam Adjustment Bushing 11 Rotate the Right Parallelism Adjustment Bushing and move it forward to align the locking protrusion of the Right Parallelism Adjustment Bushing with the notches in the right side of the Top Frame Figure 4 46 Removing the Right Parallelism AD Bushing PG...

Страница 107: ... T R E Q U I R E D In case you forget to mark the present location where the Bushing is fixed on the TOP Frame perform the PG Parallelism Adjustment Refer to the Chapter 5 C H E C K P O I N T When disassembling the Right Parallelism Adjustment Bushing mark present location where the Bushing is fixed on the TOP Frame so that you can omit PG adjustment after assembly When installing the Disk Spring ...

Страница 108: ...the CR Encoder Board Assembly from the CR Frame as shown in Figure 4 50 Figure 4 50 Removing the CR Encoder Board Assy 5 Remove the CR Timing Belt from the gutter in the CR Frame I C Detector Holder Hooks for the I C Detector Holder CR Assembly I C Detector C H E C K P O I N T Make sure that the Torsion Spring 1 08 is hung onto the protrusion of the I C Detector Lever and the hook on the CR frame ...

Страница 109: ...n A Disassembly and Assembly Disassembly Procedures 109 Figure 4 51 Assembling the I C Detector Lever Figure 4 52 Placing the I C Detector Cables Torsion Spring 1 08 Hanging portion Hanging portion Torsion Spring I C Detector Lever ...

Страница 110: ...per Guide Assemblies Remove them backward Right Upper Paper Guide Assembly Remove it forward Figure 4 53 Removing the Upper Paper Guide Assembly 6 Remove the Earth Spring between the left edge of the PF Roller and the Bottom Frame Refer to Figure 4 53 Figure 4 54 Removing the PF Earth Spring 7 Remove two screws No 1 securing the Front Frame to the Printer Mechanism and remove it Refer to Figure 4 ...

Страница 111: ...ding the CR unit to right side edge 11 Remove the Earth Spring from the left edge of the Paper Eject Roller Assembly 12 Remove the Paper Eject Roller Assembly releasing the fixing locks located on the right and Left edges of the Paper Eject Roller Shaft Refer to Figure 4 57 Figure 4 56 Removing the Paper Guide Front Figure 4 57 Removing the Paper Eject Roller Assembly Hooks fixing the Paper Guide ...

Страница 112: ...xed hook of the Left Bushing 12 holding the PF Roller Assembly and turn the bushing forward to align it with the cut in the Left Frame Refer to Figure 4 59 Figure 4 59 Setting the protrusion on Bushing 12 15 Slide the PF Roller Assembly to the left side carefully and pull it out from the Printer Mechanism Refer to Figure 4 60 Figure 4 60 Removing the PF Roller Assembly Three Hooks Left Bushing 12 ...

Страница 113: ... PE Detector Lever is set in the square cut off area in the Right Upper Paper Guide Insert the Right Upper Paper Guide Assembly from the front so you can set the PE Detector Lever in the square cut area in the Right Upper Paper Guide Refer to Figure 4 61 Make sure that the Torsion Spring 117 6 is set in the gutter in the Upper Paper Guide Assembly Make sure the PF Earth Spring is set in the gutter...

Страница 114: ...oving the Plain Washer Combination Gear 15 25 5 Holding the PF Motor remove one No 5 screw and PF Motor fixing screw securing the PF Motor and remove the motor from the Left Side Frame Refer to Figure 4 64 Figure 4 64 Removing the PF Motor Combination Gear 15 25 PlainWasher 2 9 x 0 5 x 5 C A U T I O N Do not damage the teeth of the Combination Gear 15 25 A D J U S T M E N T R E Q U I R E D In case...

Страница 115: ...the PE Detector Circuit Board Refer to Figure 4 65 Figure 4 65 Removing the PE Detector connector 6 Using tweezers or a screw driver release the CR lock lever and move the CR unit to the center area of the CR Shaft 7 Release four fixed hooks securing the PE Detector Assembly from the front side and slide the PE Detector Assembly upward to remove Figure 4 66 Removing the PE Detector Assembly PE Det...

Страница 116: ...C H A P T E R 5 ADJUSTMENT ...

Страница 117: ...by EEPROM reset operation 5 Bi D Adjustment When you replace or remove the printhead When you replace the main board When you replace the CR Motor 6 USB ID data Input When you replace the main board 7 Protection counter reset When you replace the waste ink pad Table 5 2 Actions Taken and Adjustment Required No Content of Operation Adjustment Procedure 1 Removal of the printhead 1 Perform initial i...

Страница 118: ...Adjustment Item Contents Spec 1 Thickness Gauge Parallelism Adjustment thickness 1 14 mm 2 Micro scoop Backlash Adjustment Magnified ratio x 15 Scale 0 1mm 3 Adjustment Program Each Mechanism Settings Stylus COLOR 880 Program Disk 3 5inch 2 FDD C A U T I O N Never use the bent curved or tilted or rusty thickness gauge Erase any dirt grease or obstacles on the thickness gauge before you use it ...

Страница 119: ...hing 2 Install the Parallelism adjustment bushing for right and left frame and set them on the peaking of the upper frame side so that they match with the standard mark of parallelism adjustment bushing Figure 5 1 Parallelism Adjustment Bushing 3 Set the PG lever front Gap is small C A U T I O N Do not scratch the special coated surface of the PF roller assembly and rib surface of the front paper ...

Страница 120: ...settings Left Parallelism Adjustment 9 Perform Steps 2 to 7 for the left Parallelism adjustment bushing Checking parallelism 10 Perform steps 1 to 4 again 11 Make sure that the thickness gauge does not move right and left along with the carriage when the carriage is moved about 20 mm 12 Move the right Parallelism adjustment bushing one notch to the rear Gap will be narrowed Then check that the thi...

Страница 121: ... and make sure that overlap between the tip of the printhead and cleaner head is more than 0 5 mm Figure 5 3 Overlap of Head Surface and the Cleaner Blade 2 Then rotate the Combination Gear 15 25 and return the head cleaner under the Paper Eject Frame while releasing the Pump Planetary Lever Fixing Guide ...

Страница 122: ...er to the Section 4 2 4 2 Left Housing Panel Left Sub Frame Figure 5 4 Combination Gear 15 25 PF Encorder Sensor C A U T I O N In case this adjustment is not performed correctly following phenomenon will occur The backlash value is too narrow The PF motor dose not rotate correctly based on the defined current value in the firmware As the result paper feed accuracy is lowered It sounds that the Gea...

Страница 123: ...mal position The backlash value is too narrow The A portion of the Gear 57 returns to the normal position without any jarring sounds The backlash value is too wide Figure 5 6 Pushing the Gear 57 to the Left side frame side 4 For the reconfirmation push the B and C position of the Gear 57 to the Left Frame side The Gear 57 should be pushed to the Left frame side about 3mm And make sure that Gear 57...

Страница 124: ...e is too wide move the PF motor to the rear side of the printer a little by pushing the PF motor 6 Repeat the above step 3 to 5 until the backlash value is adjusted around the suitable value 7 In case the above adjustment procedural is completed check the backlash value between the Gear 57 and the pinion gear of the PF motor by using Micro scoop Refer to the Figure 5 7 8 If the backlash value is o...

Страница 125: ...ogram does not operate under DOS or Windows 3 X NT This adjustment program automatically install the appropriate program according to your OS Perform this adjustment program using parallel I F port or USB When you use the USB for this adjustment program it is available under Windows 98 Table 5 4 Individual service adjustment program No Main Menu Service 1 Adjustment Head ID input Bi d adjustment U...

Страница 126: ...ut the following four items before entering the adjustment main menu Model name Stylus COLOR 880 Interface setting LPT1 LPT2 LPT3 EPUSB1 EPUSB2 EPUSB3 Destination Standard Program type Individual service adjustm ent program or Sequential repair service program Follow the procedure below to input the initial settings 1 When you run this program the following menu appears Select the Style COLOR 880 ...

Страница 127: ... Length 4 Select the Program type which you will run in the menu Figure 5 12 Program type selection 5 3 Sequential Repair Service Program feature 5 3 1 Feature In this manual we will explain mainly about the Sequential repair service program This program provides you the suitable adjustment order by selecting the repair item in the Sequential repair service program main menu In this program follow...

Страница 128: ...completely Clicking the Next button returns to the Top menu Initial setting menu of Figure 5 10 Figure 5 14 Quit function Top Menu This function is used to stop the adjustment in the each sequential program and clicking this Top Menu button returns to the Sequential repair service program main menu of the Figure 5 13 5 3 2 Printhead removal When you remove the printhead from the printer mechanism ...

Страница 129: ...ing menu click the Print button to start the printing for the Bi directional alignment check pattern Figure 5 18 Bi d adjustment menu C H E C K P O I N T The current setting is printed at the center of the 3 kinds of the Bi d adjustment pattern So check the center pattern and select the most aligned pattern number Track Bar Setting Purpose For effective usage of paper use this setting when you pri...

Страница 130: ...tep 8 to adjust the Bi directional print alignment completely If you exit this Bi directional print alignment program click the Complete button on the above Figure 5 19 10 Click the Top Menu button to exit the program 5 3 3 Printhead replacement When you replace the printhead with new one this repair item should be selected in the Sequential repair service program 1 Replace the Printhead with the ...

Страница 131: ...is displayed Figure 5 22 Error message for incorrect Head ID input 1 Figure 5 23 Error message for incorrect Head ID input 2 3 After complete the Head voltage ID input the following screen is displayed Then click the Complete button Figure 5 24 Head ID input is completed 4 For the next step click the Ink change in the menu Following screen is displayed Figure 5 25 Ink charge menu ...

Страница 132: ...t takes about 110 seconds If you click the No button the program proceed the I C exchange sequence 7 After complete the Initial ink charge following message is displayed Then click the Complete button Figure 5 27 Ink change is completed 8 For the next step click the nozzle check in the menu Following screen is displayed Figure 5 28 Nozzle check menu 9 Then print the nozzle check pattern automatica...

Страница 133: ...tton on the above figure or click the Top Menu button 15 Click the Top Menu button to exit the program C H E C K P O I N T The current setting is printed at the center of the 3 kinds of the Bi d adjustment pattern So check the center pattern and select the most aligned pattern number Track Bar Setting Purpose For effective usage of paper use this setting when you print the Bi d pattern and the Noz...

Страница 134: ...input and Bi d Adjustment by following the displayed procedure 3 After complete the Head ID input and Bi d adjustment items click the USB ID input button Following screen is displayed Figure 5 33 USB ID input menu 4 Enter serial number and click the OK button Figure 5 34 USB ID input 5 Follow the message and replace the I C and the Waste Ink Pad with brand new ones Figure 5 35 Message for the repl...

Страница 135: ...djustment is completed the following message is displayed Figure 5 37 All adjustment is completed 4 Click the Top Menu button to exit this program 5 3 6 CR motor replacement or removal 1 After you replace or remove the CR motor in the service activity Click the CR motor replacement or removal in the Sequential repair service program Figure 5 38 CR motor replacement or removal 2 Click the Print or ...

Страница 136: ...3 8 Waste ink pad replacement When the Waste drain ink pad is replaced with new one due to the maintenance error you have to replace the Waste drain ink pad with new one and reset the counter NOTE This function is available only before the Waste Ink Pad Overflow Error occurs When the Waste ink Pad Overflow Error occurs you have to reset the Protector counter with the Panel Reset Operation 1 Turn o...

Страница 137: ...shment for DOA This function charge the cleaning liquid into the printhead cavity and eject the cleaning liquid to the waste drain ink pad By this operation the printhead and cap assembly is cleaned Prepare the dummy ink cartridge and S46 cleaning liquid injector before use this program Depending on the situation use the individual adjustment program In this section we will explain only the import...

Страница 138: ...ic address of the EEPROM directly NOTE This function is not available when the printer is under the Error condition Select the EEPROM check function in the Maintenance menu The main menu of this function is as following figure The following two functions are built in this program Check the EEPROM data You can check the specific data stored in the specific address of the EEPROM Input the specific a...

Страница 139: ...y the ink in the cap is discharged to the waste drain ink pad After complete this sequence this program set the initial ink charge flag into the EEPROM and reset the several ink consumption counters to 0 C A U T I O N After carry out this function replace the waste drain ink pad with new one and reset the Waste drain ink pad counter Otherwise the ink or S46 liquid may leak from the pad during the ...

Страница 140: ...his check pattern printing C H E C K P O I N T The check point for the first black and each color solid pattern beta pattern 360 x 360dpi normal dot in the A4 Check pattern is as follows Any white line is not observed Uneven banding is not observed extremely The check point for the second Nozzle check pattern 120dpi is as follows Ink is fired from all nozzles Uneven banding is not observed extreme...

Страница 141: ...EPSON Stylus COLOR 880 Revision A Adjustment Individual service adjustment program feature 141 Figure 5 46 A4 Check pattern ...

Страница 142: ...C H A P T E R 6 MAINTENANCE ...

Страница 143: ...ad while counting the amount of the waste ink Once the amount of the waste ink reaches the predetermined limit the printer indicates Maintenance Error and the waste ink pad should be replaced Overflow Counter Limit Overflow Counter Protection Counter A 39200 Timing for Replacing the Waste Ink Pad When the total amount of the waste ink reaches the predetermined limit the LED indicates Maintenance E...

Страница 144: ... EPSON Oil O 12 1038991 EPSON Table 6 2 Lubrication Point No Standard Remarks 1 Lubrication Point Inside of BUSHING 12 RIGHT See page 147 Lubricant Type G 26 Lubrication Amount Take a 3mm diameter ball and apply it evenly to the inside of the bushing 2 Lubrication Point HOLDER PULLEY DRIVEN See page 147 Lubricant Type G 26 Lubrication Amount φ 1 x 3mm 4 places 3 Lubrication Point Inside of BUSHING...

Страница 145: ...ing into the motor side See page 148 Lubricant Type O 12 Lubrication Amount Full but not overfill Table 6 2 Lubrication Point continued No Standard Remarks 11 Lubrication Point Groove of ROLLER PF See page 148 Lubricant Type G 26 Lubrication Amount φ 1 x 5mm 12 Lubrication Point Contact point between ROLLER EJECT and GROUND SPRING EJECT See page 148 Lubricant Type G 26 Lubrication Amount φ 1 x 2mm...

Страница 146: ... 150 Lubricant Type G 26 Lubrication Amount φ 1 x 5mm 17 Lubrication Point Inside of the right hole of FRAME ASF B Use a brush to apply grease See page 150 Lubricant Type G 26 Lubrication Amount φ 1 x 1mm Apply grease evenly to the inside of the hole 18 Lubrication Point Left and right edges of HOPPER ASSEMBLY C Use a brush to apply grease See page 151 Lubricant Type G 26 Lubrication Amount 2mm di...

Страница 147: ... No 3 Figure 6 4 Lubrication Point No 4 W A R N I N G Never apply oil to the CR guide shaft directly This may cause fatal damage to the components of the printer Avoid applying oil excessively to the oil pad This may cause fatal damage to the components of the printer BUSHING 12 RIGHT G 26 HOLDER PULLEY DRIVEN G 26 G 26 G 26 BUSHING 12 LEFT BUSHING 6 G 26 ...

Страница 148: ...6 Figure 6 6 Lubrication Point No 7 8 9 10 Figure 6 7 Lubrication Point No 11 Figure 6 8 Lubrication Point No 12 G 26 SHAFT PULLEY DRIVEN G 26 PULLEY DRIVEN COMBINATION GEAR 12 22 4 O 12 O 12 COMBINATION GEAR 14 28 FELT D3 6 O 12 G 26 POLE C ROLLER PF G 26 G 26 ROLLER EJECT GROUND SPRING EJECT ...

Страница 149: ...on A Maintenance Overview 149 Figure 6 9 Lubrication Point No 13 Figure 6 10 Lubrication Point No 14 1 Figure 6 11 Lubrication Point No 14 2 Figure 6 12 Lubrication Point No 14 3 ROLLER PF UNIT G 26 PAPER GUIDE FRONT G 26 G 26 G 26 ...

Страница 150: ...Maintenance Overview 150 Figure 6 13 Lubrication Point No 15 1 Figure 6 14 Lubrication Point No 15 2 Figure 6 15 Lubrication Point No 16 Figure 6 16 Lubrication Point No 17 G 55 SHAFT CR GUIDE G 26 Shaft for FRAME LEFT G 26 FRAME ASF B ...

Страница 151: ...ylus COLOR 880 Revision A Maintenance Overview 151 Figure 6 17 Lubrication Point No 18 Figure 6 18 Lubrication Point No 19 HOPPER ASSY C G 26 G 26 FRAME ASF B G 26 Indent Hole 270mm between the screw and indent ...

Страница 152: ...7 APPENDIX C H A P T E R ...

Страница 153: ...CR Motor PE Sensor ASF Sensor CN3 USB CN9 Print Head CN12 PF Encoder CN6 ASF Motor CR Encoder Table 7 1 Connector Summary of C378MAIN Connector Function Reference CN1 Parallel I F Connector CN3 USB Connector CN5 To PE Sensor Table 7 2 CN6 To ASF Sensor Table 7 3 CN7 To ASF Pump Motor Table 7 4 CN8 To Print Head including CR Encoder Table 7 5 CN9 To Print Head Table 7 6 CN10 To Power Supply Board T...

Страница 154: ...veform selection signal for MS shot Variable shot 10 GND Ground 11 VDD Logic power supply 5V 12 GND Ground 13 VHV 42V power supply for Nozzle Selector 14 GND2 Ground 15 GND2 Ground 16 GND2 Ground 17 GND2 Ground 18 COM Head drive pulse trapezoid waveform 19 COM Head drive pulse trapezoid waveform 20 COM Head drive pulse trapezoid waveform 21 COM Head drive pulse trapezoid waveform Table 7 6 Connect...

Страница 155: ...wer on off switch 4 SW1 In Panel switch input 1 5 LED3 Out LED drive signal 3 6 5V Logic power supply Table 7 6 Connector CN9 continued Pin Signal Name I O Function 7 5V Logic power supply 8 LED2 Out LED drive signal 2 9 GND Ground 10 LED1 Out LED drive signal 1 11 GND Ground 12 LED0 Out LED drive signal 0 Table 7 9 Connector CN12 Pin Signal Name I O Function 1 GND Ground 2 ENB In B phase signal 3...

Страница 156: ...Auto 1 On 2 Off 00H 01H 0AH I F Control flags bit1 ECP mode 0 Off 1 On b bit0 IEEE1284 mode 0 On 1 Off c 00H 00H 0BH Reserved 00H 0CH Reserved 00H 0DH Reserved 00H 0EH Reserved 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 A...

Страница 157: ...e 7 12 EEPROM Address Map continued Address Explanation Settings QPIT Settings Factory Settings 21H Bi D Adjustment for 6plVSD Bk 36 n 36 by 1 1440 inch 00H 1 22H Bi D Adjustment for 4plVSD Bk 36 n 36 by 1 1440 inch 00H 1 23H Bi D Adjustment for MultiShot Cl 36 n 36 by 1 1440 inch 00H 1 24H Bi D Adjustment for 6plVSD Cl 36 n 36 by 1 1440 inch 00H 1 25H Bi D Adjustment for 4plVSD Cl 36 n 36 by 1 14...

Страница 158: ... CL required bit0 Color CL required 00H 10H Table 7 12 EEPROM Address Map continued Address Explanation Settings QPIT Settings Factory Settings 43H Ink flag2 bit2 YMC cartridge changed and cleaned bit1 Black cartridge changed and cleaned bit0 Black cartridge changed and cleaned 00H 00H 44H Ink counter Cb 00H 00H 45H 00H 00H 46H 00H 00H 47H 00H 00H 48H Ink counter Cy 00H 00H 49H 00H 00H 4AH 00H 00H...

Страница 159: ...H 6CH Power off time 00H 00H 2 6DH 00H 00H 2 6EH Reserved 00H 00H 6FH 00H 00H Table 7 12 EEPROM Address Map continued Address Explanation Settings QPIT Settings Factory Settings 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 78H 00H 00H 79H 00H 00H 7AH 00H 00H 7BH 00H 00H 7CH 00H 00H 7DH 00H 00H 7EH 00H 00H 7FH 00H...

Страница 160: ...H 1 AAH Head Actuator Rank ID for IwM 30 n 70 00H 1 ABH Head Actuator Rank ID for IwY 30 n 70 00H 1 ACH Head Actuator Rank ID for IwLC 30 n 70 00H 1 Table 7 12 EEPROM Address Map continued Address Explanation Settings QPIT Settings Factory Settings ADH Head Actuator Rank ID for IwLM 30 n 70 00H 1 AEH Reserved 00H BFH 00H C0H Password 0FH C1H 5AH C2H USB ID 00H 1 D3 00H 1 D4 Reserved 00H D7H 00H D8...

Страница 161: ...se transfer when disabled ignore SLIN signal 1 Adjusted at factory 2 Initialized after performed panel initialization of EEPROM 3 Initialized after performed panel initialization of the ink overflow counter in EEPROM DDH Reserved 00H DEH 00H DFH 00H E0H Market ID 0 STD 2 Custom 00H 00H E1H Reserved 00H E2H Model Name 00H FFH 00H Table 7 12 EEPROM Address Map continued Address Explanation Settings ...

Страница 162: ...LOR 880 Revision A Appendix Circuit Board Component Layout 162 7 2 Circuit Board Component Layout This section shows the circuit board component layout Figure 7 2 C378MAIN Component Layout Component Side Soldered Side ...

Страница 163: ...EPSON Stylus COLOR 880 Revision A Appendix Circuit Board Component Layout 163 Figure 7 3 C378PSB Component Layout Figure 7 4 C378PSE Component Layout ...

Страница 164: ...EPSON Stylus COLOR 880 Revision A Appendix Circuit Board Component Layout 164 Figure 7 5 C298PNL Component Layout ...

Страница 165: ...for Stylus COLOR 880 EXPLODED DIAGRAMS 104 EPSON STYLUS COLOR 880 B 122 117 754 122 133 132 751 125 122 122 116 400 For EAI EUL 120V ETT 753 766 752 450 105 107 126 126 125 106 400 401 For EAI 220V EUR S E ASIA OCEANIA EKL B A 400 123 500 103 115 102 101 124 124 124 100 124 128 129 127 109 180 118 119 123 182 181 110 183 No 1 Rev 01 10242 ...

Страница 166: ...st for Stylus COLOR 880 166 580 562 C A D F G H E E EPSON STYLUS COLOR 880 I 606 603 534 532 524 506 120 587 512 587 503 108 108 587 505 614 120 587 587 587 501 122 122 122 122 300 608 330 200 122 122 112 113 122 111 131 122 122 121 121 122 561 613 664 No 2 Rev 01 10242 767 ...

Страница 167: ...OR 880 513 587 568 700 575 567 577 575 546 506 759 705 706 569 602 601 596 600 595 597 600 560 566 565 572 570 571 589 507 514 551 549 552 553 501 587 558 605 609 548 550 550 550 550 549 550 549 550 550 550 549 550 549 550 550 549 550 551 548 551 548 551 548 551 548 551 548 545 x 5 547 557 555 580 554 760 704 604 612 588 No 3 Rev 01 10242 ...

Страница 168: ...59 639 590 530 611 529 587 587 538 540 541 544 543 544 542 539 531 530 120 599 616 624 621 587 618 519 587 556 585 593 508 509 626 612 620 533 516 623 622 579 582 520 627 592 504 586 535 515 537 510 502 542 531 587 587 511 587 578 625 765 544 544 542 544 542 544 544 544 544 544 544 544 544 542 542 542 542 542 542 542 542 542 544 No 4 Rev 01 10242 ...

Страница 169: ... Exploded Diagrams and Parts List for Stylus COLOR 880 169 No 5 Rev 01 10242 724 EPSON STYLUS COLOR 880 780 D K 709 713 712 581 740 763 710 122 708 122 707 736 737 715 723 729 720 727 718 738 725 711 714 716 719 717 739 723 729 722 721 745 746 ...

Страница 170: ...CKER SUPPORT UPPER 119 STACKER SUPPORT MIDDLE 120 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 127 BUTTON PS 128 OPTICAL TUBE 129 BUTTON B 131 COVER CABLE B 132 LOCK STACKER 133 COMPRESSION SPRING 2 94 180 LABEL CAUTION 181 LABEL ACCESSORY 183 LABEL MODEL NAME 200 BOARD ASSY MAIN B2 BEADS CORE B3 BEADS CORE BAT1 ...

Страница 171: ...TAL CRM1 CR NETWORK CRM2 CR NETWORK D1 DIODE D10 DIODE D11 DIODE D14 DIODE D15 DIODE D16 DIODE D2 DIODE D3 DIODE D4 DIODE Table 7 13 Parts List Stylus COLOR 880 Ref No Description D5 DIODE D6 DIODE D7 DIODE DM1 DIODE ARRAY F1 FUSE HT1 HEAT SINK IC10 ANALOG IC IC12 HIC IC14 SHUNT REGULATOR IC15 MICROCONTROLLER IC17 LOGIC IC IC18 HIC IC19 HIC IC2 IC SOCKET IC21 I F IC IC23 COMPARATOR IC24 OPEAMP IC2...

Страница 172: ...511 SHEET PROTECT INK 512 FRAME FRONT 513 BUSHING PARALLELISM ADJUST LEFT Table 7 13 Parts List Stylus COLOR 880 Ref No Description 514 BUSHING PARALLELISM ADJUST RIGHT 515 PAPER GUIDE REAR 516 ROLLER ASSY PF ASP 519 TENSION BELT PUMP TRANSMISSION 520 SPUR GEAR 15 2 524 COMBINATION GEAR 15 25 529 ROLLER ASSY EJ 530 BUSHING 6 531 RETAINING RING 532 SPUR GEAR 28 533 BUSHING 12 RIGHT 534 PLANE WASHER...

Страница 173: ...570 LEVER PG B 571 LEVER PG SUPPORT 572 TORSION SPRING 63 7 Table 7 13 Parts List Stylus COLOR 880 Ref No Description 575 BUSHING PULLEY DRIVEN 577 SHAFT PULLEY DRIVEN 578 EXTENSION SPRING 0 618 579 LEVER PLANET 580 HARNESS PE 581 HARNESS ASF 582 SHAFT SPUR GEAR PLANET 585 U TYPE SPRING 5 2X0 13X10 S NA 586 COMBINATION GEAR 14 28 587 C B S SCREW 588 CUP SCREW 589 LEAF SPRING 590 TOOTHED LOCK WASHE...

Страница 174: ...N 700 PRINT HEAD 704 CABLE HEAD 705 HOLDER CABLE 706 SPACER CABLE HEAD 707 FRAME ASF 708 HOPPER Table 7 13 Parts List Stylus COLOR 880 Ref No Description 709 EDGE GUIDE 710 CORK 711 ROLLER LD SUPPORT 712 COMPRESSION SPRING 3 23 713 PAD BREAK EDGE GUIDE 714 COVER ROLLER LD 715 SPUR GEAR 32 716 BUSHING ROLLER LD 717 ROLLER LD 718 ROD SPRING HOLDER PAD 719 HOLDER ROLLER LD 720 PAD ASSY B 721 COMPRESS...

Страница 175: ...RFEED 748 C P S TITE P4 3X6 F ZN 751 PAPER GUIDE LOWER 752 POROUS PAD INK EJECT LARGE 753 TRAY POROUS PAD 754 SPACER TRAY 759 COVER CARTRIDGE BK 760 COVER CARTRIDGE C 763 DETECTOR HP E 765 CLENANER HEAD ASP 766 POROUS PAD INK EJECT SMALL 767 HEXAGON NUT 780 ASF UNIT Table 7 13 Parts List Stylus COLOR 880 Ref No Description ...

Страница 176: ...tylus COLOR 880 Revision A Appendix Circuit Diagram 176 7 4 Circuit Diagram This section contains the following circuit diagrams C378MAIN Board 1 2 C378 MAIN Board 2 2 C378PSB Board C378PSE Board C298PNL Board ...

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