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Disassembly and Assembly

Rev. A

3-33

3.2.10.14 Middle Frame Assembly Removal

1.  Remove the printer mechanism unit. (Refer to Section 3.2.6.)
2.  Remove the paper eject frame. (Refer to Section 3.2.10.7.)
3.  Remove the pump unit. (Refer to Section 3.2.10.8.)
4.  Remove the CR unit. (Refer to Section 3.2.10.9.)
5.  Remove the base frame assembly. (Refer to Section 3.2.10.10.)
6.  Remove the PF roller assembly. (Refer to Section 3.2.10.12.)
7.  Remove the edge guide unit. (Refer to Section 3.2.10.6.)
8.  Remove 1 screw (CBS, 3X6) securing the paper load guide frame to the middle frame assembly.
9.  Remove the connector cable for the middle frame assembly from the clump.
10.  Remove 2 screws (CBS, 3X6) securing the middle frame assembly to the bottom main frame

assembly. Then remove the middle frame assembly.

Screws (CBS 3X6)

Middle Frame Assembly

Main Bottom Frame Assembly

Paper Load Guide Frame Assembly

Screw (CBS 3X6)

Figure 3-30. Middle Frame Assembly Removal

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Содержание 1520 - Stylus Color Inkjet Printer

Страница 1: ...EPSON COLOR INK JET PRINTER EPSON Stylus COLOR 1520 SERVICE MANUAL SEIKO EPSON CORPORATION 4007394 ...

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

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

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

Страница 5: ...REVISION SHEET Revision Issued Data Rev A FEBRUARY 25 1997 Rev B MARCH 3 1997 Rev C November 28 1997 Contents First issue Second issue for Chapter 1 Addition of 4 1 9 Uni D Adjustment ...

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

Страница 7: ...nvironmental Conditions 1 13 1 2 12 Reliability 1 14 1 2 13 Safety Approvals 1 14 1 2 14 CE Marking 1 14 1 2 15 Acoustic Noise 1 14 1 3 Interfaces 1 15 1 3 1 Parallel Interface 1 15 1 3 1 1 Forward Channel Specifications 1 15 1 3 1 2 Reverse Channel Specifications 1 17 1 3 2 Mac Serial Interface 1 18 1 3 2 1 Serial Interface Specifications 1 18 1 3 3 Optional Interface 1 19 1 3 4 Prevention Hosts ...

Страница 8: ...er Initialization 1 30 1 4 8 Self test Printing Mode 1 30 1 4 9 Hexadecimal Dump Function 1 30 1 4 10 Monochrome Printing Mode 1 30 1 5 Physical Specification 1 31 1 6 Main Components 1 32 1 6 1 C211 MAIN Board 1 32 1 6 2 C172 PSB PSE Board 1 33 ...

Страница 9: ...rinter holds Envelope up to A2 size portrait 100 cut sheets 55 g u 10 envelopes 50 transparency films 70 special paper Built in 2 interfaces and 1 optional interface card Mac serial interface up to approximately 900 kbps Bi directional parallel interface IEEE1284 level 1 device Optional Type B interface card 4 scalable fonts and 5 LQ fonts Scalable fonts Roman T Sans Serif H Roman Sans Serif LQ fo...

Страница 10: ...1067 EPSON photo quality ink jet paper Legal S041068 EPSON photo quality ink jet paper A3 S041070 EPSON photo quality ink jet paper B S041069 EPSON photo quality ink jet paper Super A3 B S041054 EPSON photo quality ink jet card A6 S041121 EPSON photo quality ink jet card 5 X 8 inch S041122 EPSON photo quality ink jet card 8 X10 inch S041071 EPSON photo quality glossy film A4 S041072 EPSON photo qu...

Страница 11: ...80 dpi 11 inch 1980 40 ips 360 dpi X 360 dpi 11 inch 3960 20 ips 720 dpi X 720 dpi 11 inch 7920 20 ips 1440 dpi X 1440 dpi 1 11 inch 7920 2 10 ips Note 1 1440 dpi X 720 dpi is available when using driver micro weave only 2 1440 dpi X 720 dpi can be printed by sending Following command sequence 1 Set the print speed to 10 IPS 2 Print 180 X 720 raster image 3 Paper feed 31 720 inch 4 Move 1 1440 inc...

Страница 12: ...eek ISO Latin 1T Turkish Bulgaria Bulgaria PC 774 Estonia ISO 8859 2 ISO Latin 2 PC 866 LAT Typeface Bit map LQ font EPSON Roman 10 cpi 12 cpi 15 cpi Proportional EPSON Sans Serif 10 cpi 12 cpi 15 cpi Proportional EPSON Courier 10 cpi 12 cpi 15 cpi EPSON Prestige 10 cpi 12 cpi 15 cpi EPSON Prestige 10 cpi 12 cpi 15 cpi Scalable font EPSON Roman 10 5 pt 8 pt 32 pt every 2 pt EPSON Sans Serif 10 5 p...

Страница 13: ...Supported Supported Supported Italic table PC 437 US Standard Europe PC 850 Multilingual 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 Supported Supported Not Supported 1 2 4 Paper Feeding Paper trans...

Страница 14: ...2 Be sure to use the designated side of exclusive paper 1 2 5 2 Transparency Size Width Length A4 210 mm 8 3 297 mm 11 7 Letter 215 9 mm 8 5 279 4 mm 11 0 Paper thickness 0 075 mm 0 003 to 0 085 mm 0 0033 Note Transparency printing is only available at normal temperatures Transparency paper must be printed on the designated side 1 2 5 3 Envelope Size Width Length No 10 241 3 mm 9 1 2 104 8 mm 4 1 ...

Страница 15: ...m 0 0043 Paper Weight 52 g m 2 14 lb to 82 g m 2 22 lb 1 2 5 7 Labels Continuous Paper size Base sheet Paper width 101 6 mm 4 to 406 4 mm 16 Folding length 101 6 mm 4 Label Width 63 5 mm 2 5 Length 23 9 mm 0 94 Paper thickness 0 2 mm 0 0079 or less including base sheet 0 12 mm 0 0047 or less without base sheet Quality Plain paper Note Label continuous must be printed under normal room temperatures...

Страница 16: ...m 0 20 3 mm 0 12 3 mm 0 12 14 mm 0 54 B4 L 364mm 14 3 3 mm 0 12 16 mm 0 51 16 mm 0 51 3 mm 0 12 3 mm 0 12 14 mm 0 54 A3 L 420 mm 16 5 13 mm 0 51 25 mm 0 98 62 mm 2 32 50 mm 1 85 3 mm 0 12 14 mm 0 54 Ledger L 432 mm 17 0 25 mm 0 98 25 mm 0 98 62 mm 2 32 62 mm 2 32 3 mm 0 12 14 mm 0 54 Note 1 L When the paper is placed in landscape orientation 2 Printable are of label cut sheet is as same as cut she...

Страница 17: ...LM Left Margin minimum RM Right Margin minimum TM Top Margin minimum BM Bottom Margin minimum 3 mm 0 12 3 mm 0 12 3 mm 0 12 14 mm 0 55 LM RM TM BM Printable area Figure 1 4 Printable Area for Envelopes Table 1 11 Minimum Margin for Envelope ...

Страница 18: ...ation More than 134 mm 5 28 More than 14 mm 0 55 Printable are 1 Printable area 2 Printable area 2 Printable area 2 Printable area 2 Printable are 1 Printable are 1 Printable are 1 1 When the paper width is more than 406 4 mm 16 this width is more than 38 mm 1 50 13 mm 0 51 1 More than 13 mm 0 51 1 More than More than 12 5 mm 0 49 More than 9 mm 0 35 More than 9 mm 0 35 More than 3 mm 0 12 More th...

Страница 19: ...paper and platen The adjust lever must be set to the proper position the paper type in order to prevent the paper from smudging Paper Type Lever Position Platen Gap Adjustment Value Cut sheet Transparency Continuous paper Index card Far side 0 0 mm Envelopes Near side 0 7 mm Table 1 12 Adjust Lever Position 0 Adjust lever Figure 1 6 Adjust Lever Settings ...

Страница 20: ...an Yellow Print capacity 300 pages A4 at 360 dpi 5 duty each color Ink life 2 years from indicated production date Storage Temperature At storage 20 to 40 1 At packing storage 30 to 40 1 At transit Packed 30 to 60 1 2 Dimension 42 9 mm W X 56 5 mm D X 38 5 mm H 1 75 X 2 30 X 1 57 1 Within a month at 40 for more than a month 2 Within 120 hours at 60 for more than 120 hours Note 1 The cartridge must...

Страница 21: ...ted current 0 4 A maximum Power consumption Approximately 21 W ISO IEC 10561 Letter pattern Conforms to Energy Star program Insulation resistance 10 M ohms min Between AC line and chassis DC 500 V Dielectric strength AC 1 500 Vrms 1 minute Between AC line and chassis 1 2 11 Environmental Conditions Temperature Operating 1 10 to 35 Non operating 2 20 to 40 1 month at 40 20 to 60 120 hours at 60 Hum...

Страница 22: ...2 2 No 950 with D3 EMI FCC part15 subpart B class B 220 240 V version Safety standards EN 60950 TÜV NEMKO EMI EN 55022 CISPR Pub 22 class B AS NZS 3548 class B 1 2 14 CE Marking 220 240 V version Low Voltage Directive 73 23 EEC EN60950 EMC Directive 89 336 EEC EN55022 class B EN61000 3 2 EN61000 3 3 EN50082 1 IEC801 2 IEC801 3 IEC801 4 1 2 15 Acoustic Noise Noise level Approximately 45 dB A Accord...

Страница 23: ...quivalent The BUSY signal is set high before setting either ERROR low or PE high and held high until all these signals return to the inactive state The BUSY signal is at high level in the following cases During data entry see Figure 1 8 Data Transmission Timing below When the input data buffer is full While INIT signal is at low level or during hardware initialization During a printer error condit...

Страница 24: ...pulse indicating that the printer can again accept data 11 BUSY 29 O When this signal is at high level the printer is not ready to accept data 12 PE 28 O When this sign is at high level the paper empty status is detected 13 SLCT 28 O Always at high level when the printer is powered on 14 AFXT 30 I Not used 31 INIT 30 I The falling edge of a negative pulse or a low signal on this line causes the pr...

Страница 25: ...areq AckData Bits 2 6 28 O Acknowledge request signal Data bit 2 or 6 in reverse channel 13 Xflag Data bit 1 5 28 O X flag signal Data bit 1 or 5 in reverse channel 14 HostBusy 30 I Busy signal from the host computer 31 INIT 30 I Not used 32 Data Avail Data bits 0 4 29 O Data available signal Data bit 0 or 4 in reverse channel 36 1284 Active 30 I 1284 active signal 18 Logic H O Pulled up to 5V via...

Страница 26: ...mmended I F cable Apple System Peripheral 8 cable Pin No Signal Name I O Function Description 1 SCLK O Synchronous clock 2 CTS I Clear to send 3 TxD O Transmit data 4 S G I Signal Ground 5 RxD I Receive data 6 TxD O Balanced Transmit 7 DTR O Data terminal ready 8 RxD I Balanced Receive State Buffer space X ON X OFF DTR Busy Less than 1024 bytes Send X OFF code Off Ready More than 2048 bytes Send X...

Страница 27: ...Buffered Data Reject 0Bh Send Entity Type Accept 0Ch Send Status Accept 0Dh Quit Procedure Reject 0Eh Inquire ASCII Message Reject 0Fh Send ASCII Message Accept None 10h 13h Unknown None 14h Inquire Emergency Message Accept Execute OK 15h Send Emergency message Accept 16h 1Fh Unknown None 20h FFh Reserved None Main Command No Command name Sending Timing 01h Start Software Reset INIT signal on the ...

Страница 28: ... prints out data from the host Automatic selection When the printer is in this mode the printer is initialized to the idle state when it is turned on Then the interface that receives data first will print When the host stops data transfer and the printer is in the stand by state for the specific time the printer returns to the idle state As long as the host sends data or the printer interface is b...

Страница 29: ...itches 1 lock type push switch and 6 LED indicators for easy operation of the various printer functions Refer to Figure 1 10 for button and LEDs descriptions and how they are arranged Indicators 1 Cover Open 2 Operate 3 Ink Out Black 4 Ink Out Color 5 Paper Out 6 Pause Operate Cover Open Ink Out Ink Out Paper Out Alt LF FF Cleaning Load Eject Cleaning Micro Feed Micro Feed Reset 5sec 2 1 3 4 5 6 F...

Страница 30: ... cleaning Available condition Pause Cleaning Color Function Executes the color ink cartridges cleaning Available condition Pause Alt Function Enters ink cartridge change mode Pressing this button for 3 seconds moves the ink cartridge to the position to be replaced Available conditions Pause Ink out Note 1 Before the printer power is off the printer executes the capping function 2 When the micro ad...

Страница 31: ...t mode See Section 1 4 5 Load Eject Enters LQ self test printing mode LF FF Enters draft self test printing mode LF FF Load Eject Enters hex dump mode Alt LF FF Load Eject Micro adjust Enters EEPROM and Timer IC reset 2 mode Note 1 means to press one button while holding down the other button s 2 EEPROM and Timer IC must be reset only by qualified service personnel When performing EEPROM reset ope...

Страница 32: ...No ink cartridge or ink end black On Ink level low black Blinks No ink cartridge or ink end color On Ink level low color Blinks Enter EEPROM and Timer IC reset On 1 second On 1 second On 1 second On 1 second On 1 second On 1 second Maintenance request Blinks Blinks Blinks Blinks Blinks Blinks Fatal error Blinks Blinks Lever error Blinks Blinks Capping function in the power off Blinks Data exit Bli...

Страница 33: ... goes into the stand by status To recover close the cover and press the pause button to continue to print The cover open LED goes off with the recovery The printer cover opens While the printer is in the stand by status The cover open LED lights up and the printer stops functioning 1 To recover close the printer cover 1 The interface is in the Busy status and the switches on the control panel are ...

Страница 34: ...r and turn the printer on The printer prints the current setting and Usage of this mode in the selected language on the currently loaded paper Change the settings More change 1 Select the menu by pressing the Alt button 2 Press the Pause button LED indicators indicate the values for the selected menu 1 Scroll the values by pressing the Load Eject button 2 Select the value by pressing the Alt butto...

Страница 35: ...37 Greek PC 853 PC 855 PC 852 PC 857 PC 866 PC 869 MOZOAWIA Code MJK ISO 8559 7 ISO Latin 1T Bulgaria PC 774 Estonia ISO 8859 2 PC 866 LAT International character set for Italic table Italic USA Italic France Italic Germany Italic U K Italic Denmark Italic Sweden Italic Italy Italic Spain 1 Auto line feed On Off Network I F mode This mode is for network environment Off Used in usual environment On...

Страница 36: ...uto Auto Bi D Bi D ESC U 0 Uni D Bi D Uni D ESC U 1 Uni D Uni D ESC U 2 Uni D Auto Uni D Uni D Function Trigger Banner mode Off manual insertion operation Banner mode On Command FF 1 Case that page length is set by ESC C Eject 2 Case that page length is not set by ESC C Advances to the top margin of the next page Advances to the top margin position of the next page ESC EMR No operation No operatio...

Страница 37: ... 5 Head gap adjustment between black and color to the cross feed direction at 100 cps with an increment of 1 720 inch Adjust a patterns NO YES NO Start YES Turn the printer off once to save the new settings into the EEPROM More adjustment Press the Load Eject button 1 Move through the languages listed by pressing the alt button 2 Select the language by pressing the Pause button The printer prints ...

Страница 38: ...8 Self test Printing Mode This printer has the self test printing mode Following items are checked by performing this mode Function for the control circuit board Function for the printer mechanism Print quality The printer enters the LQ self test printing mode by pressing the Load eject button while turning on the printer To enter the draft self test printing mode by pressing the LF FF button whil...

Страница 39: ...Product Description Rev A 1 31 1 5 Physical Specification Weight 6 5 Kg Dimension 666 mm W X 554 mm D X 202 mm H 26 2 X 21 8 X 7 9 Refer to Appendix for details ...

Страница 40: ...4160 Housing 1 6 1 C211 MAIN Board This board consists of a 16 bit CPU IC7 clock wave 19 66Mhz gate arrays B05B33 IC8 and B05B34 IC6 PROM IC14 MROM IC12 DRAMs IC9 10 RESET ICs IC1 4 EEPROM IC2 two motor drive ICs printhead drive circuit and so on Gate Array E05B33 CPU Lithium Battery Gate Array E05B34 PROM 8M DRAM 4M MROM Reset IC EEPROM Timer IC PF Motor Drive IC CR Motor Drive IC Printhead Commo...

Страница 41: ... 1 33 1 6 2 C172 PSB PSE Board This board consists of a transformer switching FET regulator IC diode bridge fuse and so on Fuse Regulator IC Transformer Diode Bridge Switching FET Figure 1 14 C211 PSB PSE Board Component Layout ...

Страница 42: ... 2 8 2 2 4 3 Manual Feed Mechanism 2 8 2 2 5 Platen Gap PG Adjust Mechanism 2 9 2 2 6 Ink System 2 10 2 2 6 1 Pump Mechanism 2 11 2 2 7 Capping Mechanism 2 14 2 2 7 1 Wiping CR Lock Mechanism 2 15 2 3 Electrical Circuit Operation Principles 2 16 2 3 1 C172 PSB PSE Electrical Circuit Board 2 16 2 3 2 C211 MAIN Control Board 2 18 2 3 2 1 Reset Circuits 2 20 2 3 2 2 Sensor Circuits 2 20 2 3 2 3 CR Mo...

Страница 43: ...er mechanism of this printer has 2 motors CR motor and PF motor The torque from the CR motor moves the CR in the column direction The torque from the PF motor is transmitted to 2 ways to the paper feeding mechanism and to the pump mechanism The direction is determined by the CR position The release lever transmits the torque from the PF motor to the tractor side to feed continuous paper Release Le...

Страница 44: ...tridge is filled with ink 2 2 2 1 Printhead Structure The printhead for this printer has the black head and color head The structures of the printheads are basically the same except for the nozzle configuration The black head used for the black ink only is composed of 128 nozzles 32 nozzles for each of 4 rows The color head composed of 3 heads for Magenta Cyan and Yellow has 64 nozzles 32 nozzles ...

Страница 45: ...sity varies depending on the temperatures around the head Since the change in the ink viscosity causes decreas in the print quality the thermistor is attached to the black head driver circuit board to control the drive voltage at the proper level referring to the detected head temperature 2 2 2 3 Printing Methods This printer has following special printing modes to print various types if graphic i...

Страница 46: ...Normal dot Micro Weave 2 dot printing Normal dot Micro Weave 1 dot printing Normal dot Micro Weave Color printing for the raster data 360 dpi exclusive 1 dot printing Normal dot Micro Weave 720 dpi exclusive 1 dot printing Normal dot Micro Weave 1 dot printing Normal dot Micro Weave OHP sheet 2 dot printing Normal dot Micro Weave Glossy film Glossy paper 1 dot printing Normal dot Micro Weave 1 dot...

Страница 47: ...2 3 show the specification for the CR motor and the CR motor drive terms respectively Item Description Motor type 4 phases 200 pole HB type stepping motor Drive voltage 42 VDC 5 The voltage applied to the driver Coil resistance 5 7 at 25 C per 1 phase Excitation mode Unipolar drive 1 2 phase 2w1 2 phase Constant current drive Drive frequency 480 9600 Hz Minimum step 0 106 mm 1 2 phase drive 0 026 ...

Страница 48: ...via the transmission gear The tractor drive gear train is set at the left end of the PF roller Table 2 4 and Table 2 5 shows the specification for the PF motor and PF motor drive terms respectively Figure 2 5 illustrates the paper feed mechanism Item Description Motor type 4 phases 96 pole HB type stepping motor Drive voltage 42 VDC 5 The voltage applied to the driver Coil resistance 10 10 at 25 C...

Страница 49: ... has 2 arms on the right and left ends The arms push down the paper support to make the paper surface contact with the pick up roller The one way clutch rotates the puck up roller in the specified direction to load paper The paper loaded is then fed by the paper feed mechanism and the gear transmission from the planetary gear is disengaged ASF Mechanism Pickup Rollers Paper One Way Clutch Disengag...

Страница 50: ...on and the torque from the ASF mechanism is disengaged consequently 2 2 4 3 Manual Feed Mechanism The printer loads cut sheet and roll paper at the rear paper slot While paper is detected by the rear PE sensor the CR unit is off the ASF paper feed position Therefore paper is manually loaded even if there is paper in ASF This mode allows the use of paper which is not set in ASF Tractor Disengage Ge...

Страница 51: ...urns the CR guide shaft that joins to the lever The joint for the parallelism adjust bushing and CR guide shaft has an eccentricity toward the guide shaft which moves the guide shaft from or toward the platen With this movement the platen gap changes from wide to narrow or vice versa Paper Type Adjust lever Position PG Adjustment Value Cut Sheet OHP Sheet Label Continuous paper Rear 0 Envelope Car...

Страница 52: ...p mechanism Capping mechanism Waste ink drain pads Wiping mechanism Figure 2 9 shows the block chart of the ink system Color Ink Cartridge Black Ink Cartridge Cleaner Head for Black and Color Inks Clutch Unit Combination Gear Disengage Gear Gear Pump Unit Pump 1 Pump 2 Air Valves PF Motor Waste Ink Drain Pads Figure 2 9 Ink System Mechanism ...

Страница 53: ... torque from the ASF to the pump mechanism via the gear train Figure 2 11 illustrates how the torque is transmitted from the paper feed mechanism to the pump mechanism PF Motor Drive Disengage Mechanism Switch Lever CR Release Cam Set Lever ASF Transmission Gear set Lever Release Lever Release Cam Switch Lever CR PF Motor Drive Disengage Mechanism Disengage Gear Torsion Spring The direction in whi...

Страница 54: ...ar switches the torque from the pump mechanism to the paper feed mechanism as a result Figure 2 13 illustrates how the torque is transmitted from the pump mechanism to the paper feed mechanism Switch Lever CR Disengage Mechanism Path of the CR Release Lever Release Cam Figure 2 12 Release Cam Reset 2 CR Unit PF Motor Pinion Gear PF Motor Disengage Gear Switch Lever Release Cam PF Roller Pump Mecha...

Страница 55: ...F motor rotates backward the direction for feeding back paper to use the pump for the color head The pump mechanism is composed of the 2 rollers tube and pulley To draw the ink the pulley rotates the rollers squeezing the tube to produce the negative pressure which absorbs the ink and drains it into the waste ink drain pad Pulley Ink Draining Ink Drawing PF Motor Backward Color Ink Drawing PF Moto...

Страница 56: ...ease the air in the cap To start printing operation the CR moves right from the home position to strike the right frame with the cap holder so that the air valve opens This operation brings the negative pressure in the cap back to normal and the CR goes back the home position The power switch of this printer uses the secondary circuit that keeps the printer power on until the capping operation com...

Страница 57: ...d cleaner The head cleaner leaves the path with the forward rotation of the PF motor Only one cleaner head is used for both black and color heads The head cleaner is substituted for the CR lock mechanism When the printer power is off it locks the CR unit off the printing side The right frame also locks the CR at the right end With this mechanism the CR remains in the capping position while transpo...

Страница 58: ...Ringing Choke Converter switching regulator AC voltage is first input to the filter circuit for higher harmonics absorption and is then input to the rectification and smoothing circuit converting into DC voltage This DC voltage is then input to the switching circuit Along with this switching operation by FET on the primary side 42 voltage is generated and stabilized on the secondary side The produ...

Страница 59: ...and photocoupler PC21 42 VDC line constant voltage control circuit Voltage at the 42 VDC line is monitored by the Zener diodes ZD51 ZD81 ZD86 This circuit feeds back the output voltage level status through photocoupler PC1 to the primary switching circuit to control the on off time of the switching FET for constant output voltage 42 VDC line overcurrent protection circuit The output current is mon...

Страница 60: ...R motor Detects the signals from the PE sensor cover open sensor and REL Release sensor Gate Array IC6 Controls the parallel I F Controls the serial I F Controls Type B I F Controls the PF motor Controls black and color heads Controls the HP sensor and DE sensor DRAM IC9 Manages buffers work area in the CPU and stuck area DRAM IC10 For image buffer Expansion MROM IC13 24 Mbit Manages C G Character...

Страница 61: ...ROM LE93C56 IC2 From IC6 From IC6 5V 42V 5V PE Cover Open REL Sensors HP DE Sensors Black Color Control Signals PF Motor Control Signal Parallel I F Serial I F Control Panel CR Motor Control Head Temperature Lithium Battery From IC6 Black Color Head Common Driver Circuit Nozzle Selection Signal PF Motor Driver Circuit UDN2917EB IC16 Carriage CR Motor Driver Circuit SLA7043M IC17 CR Motor PF Motor ...

Страница 62: ...is fed and closes without any paper detected PE_F sensor Front Paper End sensor This PE_F sensor located in the paper guide unit detects cut sheet presence condition in ASF This sensor uses a mechanical switch which opens when paper is detected and closes with no paper detected REL sensor Release sensor REL sensor is built into the rear part of the left frame in the printer mechanism It determines...

Страница 63: ...nd closes when the cover is opened When a cover open condition is detected the printer sopts printing at the end of the line and returns the CR slowly to the CR lock position When printing is commanded the CR is left unlocked Thermistor Thermistor is attached onto the color head to monitor the temperatures around the head It is operated to avoid change in ink viscosity which affects printing resul...

Страница 64: ...hen the data is read at the driver IC by the strobe signal XCRSTB This sequence enables the micro step with a minimum of 0 026 mm pulse driven at 2W1 2 phase excitation The hold signal CRHLD also drives 2 phases to place the CR to the home position and to the cartridge change position The Figure 2 22 shows the CR motor driver circuit block diagram GA E05B34 IC5 PF Motor Drive IC SLA7043M IC17 B A ...

Страница 65: ... reference data PFV to the driver IC UDN2917EB IC16 The driver IC then controls the phase current based on the voltage reference data This sequence enables the micro step with a minimum of 1 720 inch at 2 2 phase B A E05B33 IC6 UDN2917EB IC16 PF Motor PFA0 PFA1 PFB0 PFB1 PFAPH PFBPH VREF1 VREF2 44 25 45 46 47 48 50 PFV PF A PF_A PF B PF_B A B 6 3 18 21 I10 I11 I20 I21 PH1 PH2 2 1 23 24 43 26 5V 49...

Страница 66: ...C72C for cyan and yellow and 64 bit transfer gate array IC IR2C73C for magenta are used for the color head nozzle selection circuit Printing data is separated into the common voltage signal and the nozzle selection signal at the gate array E05B33 IC6 and is then transferred to the corresponding circuit Figure 2 24 shows the printhead driver circuit block diagram E05B33 IC6 BCHG BKC BND0 1 BMD0 1 S...

Страница 67: ...nozzle selection signal synchronized with the clock signal by the latch signal BHLAT However the numbers used for the pulses and corresponding nozzles are not the same Common driver circuit The common voltage VH is established to correspond to each of the black printhead characteristics This value is stored in advance in the EEPROM when the printer power is off At power on the value is stored in t...

Страница 68: ...ng clock signal are synchronized by the latch signal CHLAT to determine the nozzle to use However the numbers used for the pulses and corresponding nozzles are not the same Common driver circuit The common voltage VH is established to correspond to each of the black printhead characteristics This value is stored in advance in the EEPROM when the printer power is off At power on the value is stored...

Страница 69: ... position during this operation Ink Cartridge Replacement Performed through the control panel operation when the ink cartridge needs replacing It determines whether the ink cartridge is installed and performs cleaning sequence if necessary Cleaning Performed to solve decline in print quality caused by the abnormal nozzle status such as nozzle clogging and inaccurate ink ejection Print Start Perfor...

Страница 70: ...cumulated in the pad If the counter value exceeds the specified value the maintenance error is indicated and the current printing job stops consequently Refer to Section 1 4 11 With an occurrence of this error the waste ink drain pads must be replaced Refer to Section 1 4 3 and Section 3 2 9 the current value for this counter can be found in the default setting mode Refer to Section 1 4 5 Black Co...

Страница 71: ...Removal 3 15 3 2 9 1 Waste Ink Drain Pad Removal 3 15 3 2 9 2 Left Ink Pad Removal 3 15 3 2 10 Printer Mechanism Unit Disassembly 3 16 3 2 10 1 Carriage CR Motor Assembly Removal 3 16 3 2 10 2 PF Paper Feed Motor Assembly Removal 3 18 3 2 10 3 DE Disengage Sensor Removal 3 19 3 2 10 4 Front Rear PE Paper End Sensor Removal 3 20 3 2 10 5 REL Release Sensor Removal 3 21 3 2 10 6 Edge Guide Unit Remo...

Страница 72: ...r immediately A lithium battery is installed on the main board of this printer Be sure to observe the following instructions when servicing the battery Keep the battery away from any metal or other batteries so that electrodes of the opposite polarity do not come in contact with each other Do not heat the battery or put it neat fire Do not solder on any part of the battery Doing so may result in l...

Страница 73: ...ing 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 3 1 2 Tools Make sure you use the tools listed in the following table Tools Distributor Part No Phillips screwdriver no 1 EPSON B743800400 Phillips screwdriver no 2 EPSON B743800200 Standard screw driver EPSON B...

Страница 74: ...emoval Printhead Removal HP Sensor Removal Cover Open Sensor Removal ROM Replacement PSB PSE Board Removal Main Board Removal Waste Ink Drain Pad Removal START Printer Mechanism Disassembly CR Motor Assembly Removal PF Motor Assembly REmoval Edge Guide Removal Detection Sensor Removal Front Rear PE Sensor Removal Release Sensor Removal Paper Eject Frame Removal Carriage Unit Removal Base Frame Ass...

Страница 75: ...ing up the rear edge of the tractor unit 3 Open the printer cover and insert the tweezers into the cutouts at the back of the Panel Unit to release the hooks securing the panel unit to the upper housing Then disconnect the connector cable for the Panel Unit and remove the Panel Unit Tractor Unit Hook in the Tractor Unit Tweezers Figure 3 2 Tractor Unit Removal Tweezers Connector Cable for the Pane...

Страница 76: ...he upper housing to the lower housing Then remove the upper housing After replacing the upper housing or printer cover be sure to attach the label such as the CAUTION label to the specified position WORK POINT Screw CBB 3X12 Screws CBB 4X20 Printer Cover Tractor Unit Rear Sheet Guide Control Panel Upper Housing Hooks Fixing the Lower Housing Release Lever Knob Knob Sheet Screws CBB 3X12 Lower Hous...

Страница 77: ...OLOR 1520 Rev A 3 6 3 2 2 ROM Replacement 1 Remove 1 screw CBP 3X8 securing the ROM cover to the lower housing and remove the ROM cover 2 Remove the ROM Never replace the ROM before unplugging the power cable CAUTION ...

Страница 78: ...de 4 Disconnect the black head FFC from the black head connector 5 Remove the cartridge lever 6 Remove the compression spring fixing the black head to the CR unit 7 Remove the head fixing screw securing the black head to the CR unit 8 Shift the black head forward then remove the black head by lifting it upward Black Cartridge Lever Color Cartridge Lever Screw Screw Color Head Black Head Compressio...

Страница 79: ...Cartridge Lever 6 Remove the compression spring fixing the black head to the CR unit 7 Remove the screw securing the color head to the CR unit 8 Shift the color head forward then remove it by lifting upward When removing the black head be careful not to catch the color head FFC Be careful not to damage the Head FFCs when pulling them from the corner of the CR unit After replacing the head perform ...

Страница 80: ... connector 3 Release the hooks fixing the HP sensor to the paper eject frame using the tweezers then remove the HP sensor After reassembling the HP sensor to the paper eject frame be sure to fix the hooks to the frame using the specified adhesive Refer to Chapter 6 WORK POINT HP Sensor Paper Eject Frame Tweezers Connector Cable for the HP Sensor Figure 3 6 HP Sensor Removal ...

Страница 81: ...efer to Section 3 2 1 2 Disconnect the cover open sensor connector cable from the cover open sensor connector 3 Release the hooks fixing the Cover Open Sensor to the paper eject frame using the tweezers then remove the Cover Open Sensor Cover Open Sensor Hook Figure 3 7 Cover Open Sensor Removal ...

Страница 82: ...unit to the lower housing 4 Lift up the printer mechanism unit and remove it Be sure to lubricate the front top edge of the paper eject frame after installing the ASP printer mechanism unit which is not lubricated After replacing the printer mechanism unit perform the following Refer to Chapter 4 Input the head data which is marked on the package Bi directional adjustment WORK POINT REQUIRED ADJUS...

Страница 83: ...sconnect the power cable connector from CN1 and the C211 MAIN board connector cable from the CN2 4 Remove 4 screws CBP 3X12 securing the PSB PSE Board to the lower housing and remove the PSB PSE Board Make sure that the AC power cable is unplugged before disconnecting the power cable connector WARNING Screws CBP 3X12 PSB PSE Board CN1 CN2 Lower Housing Figure 3 9 PSB PSE Board Removal ...

Страница 84: ...uring the C211 MAIN board assembly to the lower housing Then remove the C211 MAIN board assembly along with the Type B interface shield cover 5 Remove 2 screws CP M3X6 securing the Type B interface shield cover to the C211 MAIN board Then remove the shield cover When the C211 MAIN board is replaced be sure to reset the EEPROM prior to adjustments to avoid a failure such as bugged data Be careful w...

Страница 85: ...S 3X6 CN14 CN12 CN13 CN5 CN15 Connector Cable for ther Control Panel Screw CBP 3X12 Screw CBP 3X12 Screw CBS 3X6 Screw CP 3X6 Shield Cover for theType B I F CN8 CN11 FFCs for the Heads CN10 CN9 Screws CBS 3x12 CN2 Lower Housing Main Board Assembly Figure 3 10 C202 MAIN Board Removal ...

Страница 86: ... Section 1 4 11 and Section 2 4 2 2 3 2 9 1 Waste Ink Drain Pad Removal 1 Reset the EEPROM Refer to Section 1 4 2 2 Remove the upper housing Refer to Section 3 2 1 3 Remove the printer mechanism Refer to Section 3 2 6 4 Remove the waste ink pads 3 2 9 2 Left Ink Pad Removal 1 Reset the EEPROM Refer to Section 1 4 2 2 Remove the upper housing Refer to Section 3 2 1 3 Remove the ink pad cover on the...

Страница 87: ...ng 3 Disengage the timing belt from the pulley on the CR motor assembly 4 Turn the CR motor assembly counter clock wise in the order indicated with arrows to disengage the joint with the base frame assembly Then remove the CR motor assembly by moving it toward the bottom edge of the motor frame 5 Disconnect the CR motor assembly connector cable from the connector on the CR motor assembly Connector...

Страница 88: ... to attach the CR fan motor when replacing the CR motor assembly Use the specified adhesive to attach the fan to the motor shaft Refer to Chapter 6 Note the following when attaching the fan Do not insert the fan more than 1 mm from the shaft end Set the fan with the indented side facing outward Refer to Chapter 6 WORK POINT CR Motor Assembly Adhesive A 1 mm or less Indented Side Fan Figure 3 13 Fi...

Страница 89: ...p on the printer mechanism unit 3 Remove 2 hexagon nuts securing the PF motor assembly to the middle frame using a spanner then remove the PF motor assembly The pinion gear on the PF Motor Assembly is highly precise and tends to rust easily Therefore do not touch it with your bare hand or hit it with other objects WORK POINT PF Motor Assembly Sub Frame Assembly Hexagon Nuts M3 Figure 3 14 PF Motor...

Страница 90: ...to 3 2 6 2 Using the tweezers release the hooks fixing the DE sensor to the cam select assembly then remove the DE sensor 3 Remove the connector cable from the connector for the DE sensor Cam Select Assembly Connector Cable for the DE Sensor Hook fixing the DE Sensor DE Sensor Tweezers Figure 3 15 DE Sensor Removal ...

Страница 91: ...ubs fixing the Front Rear PE sensors to the rear paper guide at the bottom of the printer mechanism unit 3 Disconnect the connector cables for the PE sensor from the PE sensor connectors Rear Paper Guide Assembly Connector Cable for the Rear PE Sensor Rear PE Sensor Hooks Front PE Sensor Connector Cable for the Front PE Sensor Figure 3 16 Front Rear PE Sensor Removal ...

Страница 92: ...e the printer mechanism unit Refer to 3 2 6 2 Using the tweezers release the tabs fxing the REL sensor to the left frame assembly Then remove the REL sensor Tweezers Tab Fixing the Release Sensor Connector Cable for the Release Sensor Release Sensor Figure 3 17 REL Sensor Removal ...

Страница 93: ...nism unit be sure to engage the damper pinion with the rack on the release transmission lever When installing the edge guide unit to the printer mechanism unit engage the edge guide unit with the main bottom frame as shown in the figure below Fix the flange nuts with adhesive after fastening them Refer to Chapter 6 Right Slide Cover Left Slide Cover Left Frame Assembly Main Bottom Frame Middle Fra...

Страница 94: ...screws CBS M3X6 securing the paper eject frame to the printer mechanism unit 4 Remove the paper eject frame by releasing the joints When removing the paper eject frame place a clean piece of paper between the platen surface in the front paper guide assembly and printheads in the CR unit to protect the printheads Screw CBS 3X6 Paper Eject Frame Printer Mechanism Unit Screws CBS 3X6 Figure 3 20 Pape...

Страница 95: ...3 Remove 2 screws CBS 3X6 and CBP 3X8 securing the pump unit to the printer mechanism unit Then remove the pump unit When mounting the head cleaner onto the pump unit set the rubber part of the cleaner facing to the pump side Head Cleaner Pump Unit Right Frame Assembly Screw CBP 3X8 Middle Frame Assembly Head Cleaner Lever Screw CBS 3X6 Figure 3 21 Pump Unit Removal WORK POINT ...

Страница 96: ...ally to release the CR unit 6 Remove 1 securing the head FFCs and FFC holders to the base frame assembly Then remove the head FFC and FFC holder from the printer mechanism unit 7 Turn the parallelism adjust bushings joining the CR guide shaft to the right and left frame assemblies until they fit into the cutouts on the frames Then remove the CR unit along with the CR guide shaft 8 Remove the CR gu...

Страница 97: ...frame assembly Refer to the figure below Perform platen gap adjustment Bi directional adjustment and Uni directional adjustment after installing the CR unit and parallelism adjust bushings Refer to Chapter 4 If the printheads are replaced along with the CR unit be sure to write head data to the EEPROM Refer to Chapter 4 When engaging the timing belt to the CR unit note 2 parts of the belt flat par...

Страница 98: ...spring out when you remove the E ring 5 Remove the tractor release cam 6 Adjusting the sub tractor release cam with the cutout in the left frame assembly and remove it from the tractor release shaft Refer to the figure below 7 Remove 5 screws CBS 3X6 securing the base frame assembly to the printer mechanism unit then lift up the base frame assembly and remove it WORK POINT Middle Frame assembly Ba...

Страница 99: ...the left frame assembly and remove the paper eject drive unit by lifting up the front edge 7 Release the joints for the right and left slide covers and the edge guide 8 Remove the E ring located at left end of the paper load roller 9 Adjust the paper load roller bushing with the cutout on the right frame 10 Disengage the paper load gear at the right end of the paper load roller unit from the ASF t...

Страница 100: ...Disassembly and Assembly Rev A 3 29 ASF Tarnsmission Gear Set Gear PF Roller Bushing Edge Guide PF Roller Bushing E ring Paper Load Shaft Figure 3 26 Paper Load Roller Removal ...

Страница 101: ...ch the paper load gear and the gear 29 are engaged Refer to the figure below Do not touch the gear teeth with your bare hands Damaged gear may lose accuracy in paper feeding WORK POINT Gear 29 ASF Transmission Gear Set Gear PF Roller Figure 3 27 Gear Engagement ...

Страница 102: ...r lever from the PF roller 7 Remove the roller grounding spring in contact with the left frame assembly at the left end of the PF roller 8 Turn the right and left bushings to adjust them with the cutouts on the right and left frames 9 Remove 1 E ring from the left end of the PF roller 10 Slide the PF roller shaft left and disengage the PF roller gear 24 from the ASF transmission ratchet Then remov...

Страница 103: ... Refer to Section 3 2 10 12 6 Remove the edge guide Refer to Section 3 2 10 6 7 Remove 2 screws CBS 3X6 securing the paper load guide frame to the left and middle frame assemblies 8 Release the hook fixing the rear paper guide at the right side of the main bottom frame assembly Then slide the rear paper guide left slightly and remove it Paper Load Guide Frame Rear Paper Guide Hook Screw CBS 3x6 Mi...

Страница 104: ...e the PF roller assembly Refer to Section 3 2 10 12 7 Remove the edge guide unit Refer to Section 3 2 10 6 8 Remove 1 screw CBS 3X6 securing the paper load guide frame to the middle frame assembly 9 Remove the connector cable for the middle frame assembly from the clump 10 Remove 2 screws CBS 3X6 securing the middle frame assembly to the bottom main frame assembly Then remove the middle frame asse...

Страница 105: ...alize Operation 4 4 1 3 Head Voltage Write Operation 5 4 1 3 1 Finding out the Head Voltage 6 4 1 4 Black Head Angular Adjustment 7 4 1 5 Color Head Angular Adjustment 8 4 1 6 BK M Height Adjustment 9 4 1 7 Bi d Adjustment I0 4 1 8 Head GAP Adjustment 11 4 1 9 Uni d Adjustment 12 ...

Страница 106: ...ack head replacement 1 Head VH voltage input 2 Black Head Angular Adjustment 3 BK M Hight Adjustment 4 Head Gap Adjustment Black head removal 1 Black Head Angular Adjustment 2 BK M Hight Adjustment 3 Head Gap Adjustment Color head replacement 1 Head VH voltage input 2 Color Head Angular Adjustment 3 BK M Hight Adjustment 4 Head Gap Adjustment Color head removal 1 Color Head Angular Adjustment 2 BK...

Страница 107: ...ft parallelism adjust bushing to make the gap enough to insert a 1 14 mm thick gauge Make sure that a 1 18 mm thick gauge does not pass through Table 4 2 shows the directions for turning the bushings to change the platen gap Platen gap Left parallelism adjust bushing Right parallelism adjust bushing Narrower CW CCW Wider CCW CW 4 Apply the same procedure for the right parallelism adjust bushing Pl...

Страница 108: ... t he CR to the right end PG Adjustment Widen the PG Narrow the PG Returm to the main flow Is the right PG OK Set the PG lever to Shift the CR unit to the left end Set the PG lever to 0 Adjust the PG Is the left PG OK END Set the PG lever to Set the PG lever to 0 Adjust the PG Does a 1 14 mm Gauge fit Does a 1 18 mm Gauge fit Figure 4 2 Platen Gap Adjustment Flow Chart ...

Страница 109: ...u appears on the monitor 6 Move the cursor using or key to select INITIALIZE Then press the Enter key to execute the initialization Then press the Enter key to return to the main menu 7 Select other adjustment using or key or select RETURN TO 1st MENU to exit the main menu 8 Move the cursor using or key to select END and press the Enter key to exit the program Note 1 Unless CUSTOMER SET is execute...

Страница 110: ...s shown below The first 2 digits and the following 2 digits indicate the head ID for the normal dot and head ID for microweave dot respectively The last digit indicates the rank value Black Voltage 5 digit ID Color Voltage 5 digit ID 7 Press the Space key if you correct a wrong ID Enter 0 to exit HEAD VOLTAGE WRITE and the main menu appears on the monitor Note If the Enter key is pressed the initi...

Страница 111: ...sor using or key to select ADJUST in the 1st menu Then press the Enter key and the main menu appears on the monitor 5 Move the cursor using or key to select A4 CHECK PATTERN Then press the Enter key and the printer prints out the check patterns and the item shown below 6 TITLE C211 Stylus COLOR 1520 BK B1 B2 B3 B4 B5 B6 B7 B8 YMC C1 C2 C3 C4 C5 C6 C7 C8 6 Head ID head voltage is identified as desc...

Страница 112: ... Then press the Enter key and the printer prints out the head angular adjustment patterns 6 Move the angle adjust lever to align the vertical lines continuously by making the width A less than 4 1 of the line width as shown in Figure 4 5 7 Press the Space key to repeat the operation Press the Enter key to exit Black Head Angular Adjustment and the main menu appears 8 Select other adjustment using ...

Страница 113: ...5 Move the cursor using or key to select HEAD ANGULAR ADJUSTMENT Then press the Enter key and the printer prints out the head angular adjustment patterns 6 Move the angle adjust lever to make the deviation B between 2 colors less than 4 1 of the line width Refer to Figure 4 6 7 Press the Space key to repeat the operation Press the Enter key to exit Color Head Angular Adjustment and the main menu a...

Страница 114: ... prints out the BK M height adjustment patterns 6 Make the adjustment by moving the head vertical adjust lever as shown in Figure 4 7 7 Press Space key to repeat the operation Press the Enter key to exit BK M HIGHT ADJUSTMENT and the main menu appears 8 Select other adjustment using or key or select RETURN TO 1st MENU to exit the main menu 9 Move the cursor using or key to select END and press the...

Страница 115: ...he draft mode and 1 3 of the line width in the LQ mode Refer to Figure 4 8 7 Press Space key to repeat the operation Press the Enter key to exit Bi d Adjustment and the main menu appears 8 Select other adjustment using or key or select RETURN TO 1st MENU to exit the main menu 9 Move the cursor using or key to select END and press the Enter key to exit the adjustment program Adjusted values are not...

Страница 116: ...Q mode Refer to Figure 4 9 7 Press Space key to repeat the operation Press the Enter key to exit HEAD GAP ADJUSTMENT and the main menu appears 8 Select other adjustment using or key or select RETURN TO 1st MENU to exit the main menu 9 Move the cursor using or key to select END and press the Enter key to exit the adjustment program Adjusted values are not stored in the EEPROM until the printer is t...

Страница 117: ...ft mode Adjust the deviation referring to the flowchart below to make the deviation less than l 2 of the line width S t a r t Select Uni d ADJUSTMENT in th main menu Print out the Uni d adjustment Press the Enter key I Enter 0 1 Proceed to the mam menu i Press the Space key I OK Figure 4 10 Uni D Adjustment Flowchart Press Space key to repeat the operation Press the Enter key to exit Uni d Adjustm...

Страница 118: ...oting 5 1 General Description 5 1 5 2 Unit Level Troubleshooting 5 3 5 3 Repair of the C172 PSB PSE Board at Component Level 5 9 5 4 Component Repair of the C211 MAIN Board 5 10 5 5 Repair of M 4I60 Printer Mechanism 5 12 ...

Страница 119: ...t the multimeter to Ohms Be sure to unplug the power cable from the AC inlet and disconnect the harnesses from the MAIN board Meter reading CR motor CN14 Common pin 5 Test pins 1 2 3 and 4 Place one lead to the pin 5 and the other to each of the test pin 1 2 3 and 4 to check the coil resistance of each phase of the motor 5 7 at 25 per phase PF motor CN15 Pin 1 and 3 or pin 2 and 4 Place one lead t...

Страница 120: ...ver closed Close L Cover opened Thermistor CN12 Pin 2 Analog data Approximately 10 k at 24 Table 5 3 Error Codes and Solutions Printer status Power Pause Cover open Ink end Black Ink end Color Paper out Solutions Paper out On Load paper and press the Pause and Load Eject buttons Paper jam Blinks Remove paper then press the Pause and Load Eject buttons Cover open On Close the printer cover No black...

Страница 121: ... Symptom and Problem Symptom Problem Flowchart No The printer does not operate at all No LED lights up The printer mechanism does not operate at all 1 An error is indicated Error is indicated by LEDs 2 Printing operation is abnormal Printing is not performed Printing result is abnormal Print quality is poor 3 The printer feeds paper abnormally Paper feed is abnormal Paper is jamming The top edge o...

Страница 122: ...n the PSB PSE board Is the voltage correct Replace the MAIN board Is the problem corrected Replace the PSB PSE board Check the motor and driver circuits Refer to Section 5 5 YES NO Has the fuse F1 on the PSB PSE board blown Does the fuse blow again at power on Replace the fuse and disconnect the connector CN2 on the PSB PSE board END NO YES YES NO YES NO YES NO Figure 5 2 Flowchart 1 ...

Страница 123: ...rtridge and release sensor lever If they are defective replace them Does the error still occur Release the release lever and check is any paper is loaded in the printer Replace the ink cartridge with a new one Turn off the printer and move the carriage manually Is the movement smooth Check the CR motor and drivers If they are normal replace the MAIN board Is the problem corrected Proceed to Sectio...

Страница 124: ...rform the initial ink charge Is the problem corrected Proceed to Section 5 5 Repair of the Printer Mechanism Check the motors drivers and printheads If they are normal replace the MAIN board Is the problem corrected Is the problem corrected Are all connector cablesconnected to Perform the adjustments Refer to Chapter 4 Connect them properly YES YES NO NO NO YES YES the MAIN board securely Figure 5...

Страница 125: ...d Is the problem corrected Is the paper jam error indicated Foreign objects are located in the paper path Check the PF motor and driver If they are normal replace the MAIN board Proceed to Section 5 5 Repair of the Printer Mechanism Is paper properly loaded in the ASF tractor Clean the PF roller and the paepr path YES NO YES NO NO NO YES Figure 5 5 Flowchart 5 ...

Страница 126: ...bnormal START END END Is the problem corrected NO YES Is the control panel properly connected Replace the control panel Connect the control panel properly Is the problem corrected Replace the MAIN board Replace the control panel YES YES NO NO Figure 5 6 Flowchart 5 ...

Страница 127: ... Board Symptom Condition Cause Checkpoint Solution The printer does not 42 VDC is not output Fuse F1 is open Check visually if the fuse is normal Replace the fuse F1 operate at all Transformer T1 is open Check the transformer using a multimeter Replace the transformer T1 Q1 is dead Check the waveform at drain Replace the Q1 Q2 or Q3 is dead Check the waveform at corrector Replace the Q2 or Q3 PC1 ...

Страница 128: ...ower on off Reset circuit is defective Check the RESET signal at the pin 1 and 5 V line at pin 3 of the IC1 Replace the MAIN board or the reset IC Selection of ROM and sub gate array is abnormal Check the CS1 Pin 1 and CS2 pin 2 of the CPU IC7 for the change in the signal High and Low Replace the MAIN board CG ROM or PROM is defective Replace the MAIN board or PROM CPU is defective Check the signa...

Страница 129: ... the MAIN board IC16 is defective Check the waveforrm output from the A pin 6 A pin 3 B pin 8 or B pin 21 of the IC16 Refer to the figure above Replace the MAIN board PF motor is defective Check if the resistance of the motor coil is as follows 10 10 at 25 Refer to Table 5 1 Replace the PF motor Self test does not perform printing Sub gate array IC6 is defective Check the waveform output from the ...

Страница 130: ...in tube is caught in the cleaner lever of the pump unit Check if the tube is properly led Place the tube properly cleaning sequence is repeated But it does The tube is disconnected from the cap Check if the tube is securely installed Install the tube securely not solve the dot missing problem Ink drain tube is bent or damaged Check if the tubes in the pump unit and under the cap are deformed or da...

Страница 131: ...bnormal A particular dot does not print constantly Ink is not ejected straight or dot is missing because of ink viscosity Repeat cleaning sequence and run the self test Clean the head surface The head FFC is disconnected from the head or MAIN board Check if the FFC is connected to the head and MAIN board Connect the FFC securely The head FFC is damaged Check if there is current using the multimete...

Страница 132: ...ent Refer to Chapter 4 Head gap is not properly adjusted Perform the adjustment Refer to Chapter 4 black color head vertical is not properly adjusted Perform the adjustment Refer to Chapter 4 The head unit is defective Replace the head unit Paper is fed abnormally Paper is not fed Foreign objects are lodged in the edge guide PF roller paper guide unit and paper eject drive unit Turn the knob and c...

Страница 133: ...CHAPTER 6 Maintenance 6 1 Cleaning 6 1 6 2 Service Maintenance 6 2 6 2 1 Head Cleaning 6 2 6 2 2 Maintenance Request 6 2 6 3 Lubrication and Adhesion 6 3 ...

Страница 134: ...ndling the lithium battery installed on the C211 MAIN board Keep the battery away from any metal materials Ensure to mount the battery in the right direction Otherwise it may result in explosion Do not heat up or burn the battery Never apply thinner trichloroethilene and toner based solvents Use of a soft and dry cloth is recommended In case stain adheres use a cloth dumped with mild detergent Do ...

Страница 135: ... mode Press Shift and Load Eject buttons for the color head cleaning The printer automatically exits the cleaning mode and returns to off line status 3 Press the Pause button after the cleaning is executed and the printer goes into the stand by status Do not perform cleaning unless the printing result is obviously abnormal Excessive cleaning may shorten the carriage life 6 2 2 Maintenance Request ...

Страница 136: ...nce use of other items might decrease printer life and printer performance Type Product name Content Part Code Applicability Grease G 26 40 g B702600001 EPSON exclusive product Oil O 8 40 g 1019753 EPSON exclusive product Adhesive NEJI lock B1401B 1000 g B730200200 EPSON exclusive product Reference No Lubrication Points Quantity 1 Shafts in the sub frame assembly 3 points G 26 3 5 g 2 Slopes of th...

Страница 137: ...EPSON Stylus COLOR 1520 Rev A 6 4 1 1 1 2 2 3 3 3 4 5 6 6 6 6 6 6 7 7 7 7 Figure 6 1 Lubrication Points 1 ...

Страница 138: ...Maintenance Rev A 6 5 8 9 10 10 10 10 10 10 10 10 Figure 6 2 Lubrication Points 2 ...

Страница 139: ...EPSON Stylus COLOR 1520 Rev A 6 6 CR Motor CR motor fan Indent side facing outward 1 2 2 Figure 6 3 Adhesive Points ...

Страница 140: ...Appendix A 1 Connector Summary A 1 A 1 1 Connector Pin Assignment A 2 A 2 Circuit Diagrams A 7 A 3 Component Layout A 13 A 4 Exploded Diagrams A 16 A 5 Parts List A 19 A 6 Dimension and Weight A 24 ...

Страница 141: ... CN15 CN14 CN6 CN2 CN11 CN10 CN8 CN1 CN9 AC Input Parallel I F Type B I F C172 PSB PSE C211 B MAIN Color Monochrome Color Head Black Head HP Sensor CR unit Mac Serial I F Front PE Sensor Rear PE Sensor Release Sensor DE Sensor Cover Open Sensor PF Motor CR Motor Printer Mechanism M 4I60 C211 PNL Figure A A 1 Interconnection of the Main Components ...

Страница 142: ...3 3 CN2 9 DC input from the C172 PSB PSE board Power off signal CN3 3 HP sensor CN4 2 DE sensor CN5 36 Type B I F Refer to Section 1 3 4 CN6 36 Parallel I F Refer to Section 1 3 1 and 1 3 2 C211 MAIN B Board CN7 20 C211 PNL Board CN8 2 Release sensor CN9 2 Cover open sensor CN10 2 Front PE sensor CN11 2 Rear PE sensor CN12 24 Color head CN13 22 Black head CN14 5 CR motor CN15 4 PF motor C172 PSB P...

Страница 143: ... Ground Pin No I O Signal Name Description 1 GND Ground 2 I SWB1 3 O LED9 LED 9 DATA 4 O LED8 LED 8 DATA 5 I SWB2 6 I SWB5 7 I SWB0 8 O LED7 LED 7 DATA 9 O LED6 LED 6 DATA 10 O LED5 LED 5 DATA 11 5 5 VDC 12 O LED1 LED 1 DATA 13 O LED0 LED 0 DATA 14 I SWB6 15 I PSC Power scan signals 16 I SWB3 17 I SWB4 18 O LED3 LED 3 DATA 19 O LED2 LED 2 DATA 20 O LED4 LED 4 DATA Table A 2 Connector Pin Assignmen...

Страница 144: ...THS Thermistor signal 3 GND Ground 4 O CHLAT Latch signal 5 GND Ground 6 O CHDATA Cyan data 7 GND Ground 8 O MHDATA Magenta data 9 GND Ground 10 O YHDATA Yellow data 11 GND Ground 12 O CHCLK Clock signal 13 GND Ground 14 O CHNCHG NCHG signal 15 GND Ground 16 5 Power source 17 GND Ground 18 GND Ground 19 GND Ground 20 O COM Common output 21 O COM Common output 22 O COM Common output 23 VHPR Drive v...

Страница 145: ...GND Ground 17 GND Ground 18 O COM Common output 19 O COM Common output 20 O COM Common output 21 VHPR Drive voltage 22 VHPR Drive voltage Pin No I O Signal Name Description 1 O A Phase A output 2 O A Phase A output 3 O B Phase B output 4 O B Phase B output 5 42 Drive signal Pin No I O Signal Name Description 1 O A Phase A output 2 O B Phase B output 3 O A Phase A output 4 O B Phase B output Table ...

Страница 146: ...Appendix Rev A A 7 A 2 Circuit Diagrams Figure A A 2 C211 MAIN B Board Circuit Diagram 1 2 ...

Страница 147: ...EPSON Stylus COLOR 1520 Rev A A 8 ...

Страница 148: ...Appendix Rev A A 9 Figure A A 3 C211 MAIN B Board Circuit Diagram 2 2 ...

Страница 149: ...EPSON Stylus COLOR 1520 Rev A A 10 ...

Страница 150: ...P C4 2200P C8 1000P FG FG C2 0 1u Q31 K1725 R32 39K R13 4 7K Q3 2PA1015Y Q2 C4408 R16 270 R15 510 10 9 C12 100U D1 11EQS06 R56 150 50V C83 22U R55 39K R83 1K C56 10U 50V D83 1SS120 CY51 DRA03TC ZD88 HZS5ALL R82 100 ZD87 HZS24 1L ZD52 HZS24 1L Q84 K1398 C84 330U 6 3V R86 100 R81 2K 0 5W R84 39K R85 470K D86 11EQS06 Q83 DTA115ES D85 1SS120 ZD89 HZS6A1L Q82 DTC114YS D82 1SS120 D84 1SS120 C55 0 1U D52...

Страница 151: ...EQS04 C3 2200P C4 2200P C8 1000P FG FG C2 0 1u Q31 K1725 R32 39K R13 4 7K Q3 2PA1015Y Q2 C4408 R16 270 R15 510 10 9 C12 100U D1 11EQS06 R56 150 50V C83 22U R55 39K R83 1K C56 10U 50V D83 1SS120 CY51 DRA03TC ZD88 HZS5ALL R82 100 ZD87 HZS24 1L ZD52 HZS24 1L Q84 K1398 C84 330U 6 3V R86 100 R81 2K 0 5W R84 39K R85 470K D86 11EQS06 Q83 DTA115ES D85 1SS120 ZD89 HZS6A1L Q82 DTC114YS D82 1SS120 D84 1SS120...

Страница 152: ...Appendix Rev A A 13 A 3 Component Layout Figure A A 6 C211 MAIN B Board Component Layout ...

Страница 153: ...EPSON Stylus COLOR 1520 Rev A A 14 Figure A A 7 C172 PSB Board Component Layout ...

Страница 154: ...Appendix Rev A A 15 Figure A A 8 C172 PSE Board Component Layout ...

Страница 155: ...EPSON Stylus COLOR 1520 Rev A A 16 A 4 Exploded Diagrams Figure A A 9 Stylus COLOR 1520 Exploded Diagram 1 ...

Страница 156: ...Appendix Rev A A 17 Figure A A 10 Stylus COLOR 1520 Exploded Diagram 2 ...

Страница 157: ...EPSON Stylus COLOR 1520 Rev A A 18 Figure A A 11 Stylus Color 1520 Exploded Diagram 3 ...

Страница 158: ...pring 1026162 126 Waste Ink Drain Pad 1025948 127 Waste Ink Drain Pad 1025960 128 Waste Ink Drain Pad 1025962 129 Waste Ink Drain Pad 1025988 131 Clamp 1002902 132 Screw CB 0 B045800115 133 Hexagon Nut B070200411 134 Screw CP B010103311 135 Screw CBS 3X6 B300204211 136 Screw CBB 4X20 B310206711 137 Screw CBS 3X12 1002674 138 Screw CBP Tite 3X12 F ZN 1003164 139 Screw CBS B300204311 140 Screw CBS 4...

Страница 159: ...Assembly 1026295 516 Printhead F055000 521 Front Paper Guide 1031859 522 Paper Load Roller Assembly 1019407 523 LD Support Roller 1019387 524 Rear Paper Guide 1026031 525 PF Support Roller Assembly 1033228 526 Support Driven Roller Assembly 1033229 527 Torsion Spring 1026986 528 Torsion Spring 1027828 529 Torsion Spring 1027829 530 PF Support Holder 1019356 531 PF Drive Roller 1031896 532 PF Motor...

Страница 160: ...mbly 1032972 591 Tractor Assembly 1026308 592 Left Tractor 1025293 593 Right Tractor 1025294 594 Paper Support 1025296 595 Tractor Drive Shaft 1026114 596 Tractor Guide Shaft 1026115 597 Left Tractor Frame 1026120 598 Right Tractor Frame 1026121 599 Gear 25 1026117 600 Timing Belt 1026004 601 Printhead F056000 602 Connector Cable for the DE Sensor 2019712 603 DE Gear Bushing 1026061 604 FFC Holder...

Страница 161: ... 668 Compression Spring 450 1020350 669 Compression Spring 0 39 1032065 670 Extension Spring 23 2 1026003 671 Compression Spring 0 65 1034197 672 Extension Spring 7 63 1026040 673 Compression Spring 1 13 1026072 674 Compression Spring 2 16 1027830 675 Extension Spring 0 698 1027885 677 Plain Washer B100154712 678 Plain Washer B100166012 679 Plain Washer B100167090 681 Plain Washer 6 1X0 3X12 L NA ...

Страница 162: ...23310 721 CR Mount Shaft 1005416 722 Top LD Guide 1026099 723 Gear 16 5 1031863 728 Black Head Adjust Lever 1030783 729 Color Head Adjust Lever 1030784 730 Black Cartridge Cover 1030788 731 Color Cartridge Cover 1030789 732 Black Cartridge Separator 1030790 733 Color Cartridge Separator 1030791 734 Compression Spring 9 9 1030787 735 Head Fasten Screw 1031163 737 Adjust Lever 1030785 738 Driven Rol...

Страница 163: ...nsion and Weight Dimension 666 mm W X 554 mm D X 202 mm H 26 2 inch W X 21 8 inch D X 7 9 inch H Weight 6 5 Kg Figure A 12 illustrates the exterior dimension of the Stylus COLOR 1520 666 695 202 554 Figure A 12 Dimension of the Stylus COLOR 1520 ...

Страница 164: ...9 Sesto S Giovanni MI Italy Phone 2 262331 Fax 2 2440750 EPSON AUSTRALIA PTY LIMITED 1 70 Gibbes Street Chatswood 2067 NSW Australia Phone 2 9903 9000 Fax 2 9903 9177 EPSON SINGAPORE PTE LTD No 1 Temasek Avenue 36 00 Millenia Tower Singapore 039192 Phone 065 3377911 Fax 065 3341185 EPSON HONG KONG LTD Rooms 4706 10 47 F China Resource Bldg 26 Harbour Road Wanchai Hong Kong Phone 2585 4300 Fax 2827...

Страница 165: ...EPSON SEIKO EPSON CORPORATION ...

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