Epson 890N - FX B/W Dot-matrix Printer Service Manual Download Page 93

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C H A P T E R

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Summary of Contents for 890N - FX B/W Dot-matrix Printer

Page 1: ...EPSONFX 890 2190 Serial Impact Dot Matrix Printer SEDM02003 SERVICE MANUAL ...

Page 2: ...ate being informed of them The contents of this manual are subject to change without notice 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 identification purpose only and may be trademarks or reg...

Page 3: ...E MUST BE CONNECTED USE EXTREME CAUTION IN WORKING ON POWER SUPPLY AND OTHER ELECTRONIC COMPONENTS 4 When disassembling or assembling a product be sure to wear gloves to avoid injuries from metal parts with sharp edges 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 O...

Page 4: ...mponents layout Electrical circuit boards schematics Exploded diagram Parts List Symbols Used in this Manual Various symbols are used throughout this manual either to provide additional information on a specific topic or to warn of possible danger present during a procedure or an action Be aware of all symbols when they are used and always read NOTE CAUTION or WARNING messages Indicates an operati...

Page 5: ...ease B August 21 2003 Revision up Chapter 3 Error Correction 3 2 12 Fatal Error on page 63 Chapter 4 Error Correction 4 2 3 C524MAIN Board on page 74 Appendix The part list and the exploded diagram for the FX 2190 are added 7 3 Exploded Diagrams on page 114 7 4 Parts List on page 122 ...

Page 6: ... 1 4 1 5 Action of the printer 42 Chapter 2 Operating Principles 2 1 Overview 44 2 1 1 Printer Mechanism 45 2 1 1 1 Printhead 45 2 1 1 2 Paper Feed Mechanism 45 2 1 1 3 Carriage Movement Mechanism 45 2 1 1 4 Tractor Feed Mechanism 45 2 1 1 5 Platen Gap Adjustment Mechanism 45 2 1 1 6 Ribbon Feed Mechanism 46 2 1 1 7 Sensors 46 2 1 2 Circuit Operation 47 2 1 2 1 C524 MAIN Board 47 2 1 2 2 C524 PSB ...

Page 7: ...nter Mechanism 80 4 3 5 CR Motor 81 4 3 6 PF Motor 83 4 3 7 PF Gear Train 84 4 3 8 PG Platen Gap Detector 86 4 3 9 Release Detector 86 4 3 10 Front PE Paper End Detector 87 4 3 11 Rear PE Detector 87 4 3 12 Carriage Assembly 88 4 3 13 Rear Paper Guide Assembly 90 4 3 14 Ribbon Drive RD Assembly 92 Chapter 5 Adjustment 5 1 Adjustment Overview 94 5 1 1 Required Adjustment 94 5 1 2 Adjustment Tools 9...

Page 8: ...C H A P T E R 1 PRODUCTDESCRIPTIONS ...

Page 9: ...jacent Dot Print Ultra Speed Draft 10 cpi 80 dpi 72 dpi No Ultra Speed Draft 12 cpi 84 dpi 72 dpi No High Speed Draft 10 cpi 90 dpi 72 dpi No High Speed Draft 12 cpi 96 dpi 72 dpi No Draft 120 dpi 72 dpi No Draft Condensed 240 dpi 72 dpi No Draft Emphasized 120 dpi 72 dpi Yes NLQ 240 dpi 144 dpi No Bit Image 60 72 80 90 or 120 dpi 72 dpi Yes 120 or 240 dpi 72 dpi No Table 1 2 Printing Speed cps an...

Page 10: ...city CSF paper total thickness is below 15 mm 2 When using Single Bin CSF paper total thickness is below 5 mm Table 1 3 Cut Sheet Single sheet Not multi part FX 890 FX 890 Front Entry Rear Entry Manual Manual High Capacity CSF Single Bin CSF Min Max Min Max Min Max Min Max Width inch mm 3 9 100 10 1 257 3 9 100 10 1 257 3 9 100 8 5 216 7 2 182 8 5 216 Length inch mm 3 9 100 14 3 364 3 9 100 14 3 3...

Page 11: ...gth inch mm 3 9 100 16 5 420 3 9 100 16 5 420 3 9 100 16 5 420 8 3 210 14 3 364 Thickness inch mm 0 0025 0 065 0 0055 0 14 0 0025 0 065 0 0055 0 14 0 0028 0 07 0 0055 0 14 0 0028 0 07 0 0055 0 14 Weight g m2 lb 52 14 90 24 52 14 90 24 64 18 90 24 64 18 90 24 CSF Capacity 185 sheets with the form 64 g m2 17lb 1 60 sheets with the form 64 g m2 17lb 2 150 sheets with the form 82 g m2 22lb 1 50 sheets...

Page 12: ...0 FX 2190 Front Entry Rear Entry Manual Manual High Capacity CSF Single Bin CSF Minimum Maximum Minimum Maximum Width inch mm 3 9 100 16 5 420 Length inch mm 3 9 100 16 5 420 Copies 1 original 5 copies Total thickness inch mm 0 0047 0 12 0 018 0 46 Weight one sheet of multi part g m2 lb 40 12 58 15 Quality Plain paper Reclaimed paper Not curled not folded not crumpled Jointing Line glue at the top...

Page 13: ... inch mm 0 0063 0 16 0 0205 0 52 0 0063 0 16 0 0205 0 52 The difference of thickness at the printable area is within 0 25 mm 0 0098 inch Weight g m2 45 90 45 90 lb 12 24 12 24 CSF capacity 25 sheets 24lb 30 sheets 12lb Quality BOND paper PLAIN paper or AIR MAIL No glue at a flap Not curled not folded not crumpled Table 1 9 Handling possible cut sheets of fixed forms single sheet multi part with FX...

Page 14: ...multi part g m2 lb 52 14 82 22 Weight one sheet of multi part g m2 lb 40 12 58 15 Quality Plain paper Reclaimed paper Carbonless multi part paper Not break without wrinkle without tear without turn over Jointing Point glue or paper staple both side Table 1 12 Continuous paper Single sheet and Multi Part FX 1190 FX 2190 Bottom Front Rear Entry Minimum Maximum Width inch mm 4 101 6 16 406 4 Length o...

Page 15: ...n the printer when the printer is not used 6 Don t print on the base sheet of labels 7 Don t use cut sheet labels Figure 1 1 Label Size Table 1 13 Labels FX 890 FX 890 Bottom Front Entry Rear Entry Minimum Maximum Minimum Maximum Label size See Figure 1 1 below Base sheet width inch mm 4 101 6 10 254 Base sheet length one page inch mm 4 101 6 22 558 8 Base sheet Thickness inch mm 0 0028 0 07 0 003...

Page 16: ...r code fonts EAN 13 EAN 8 Interleaved 2 of 5 UPC A UPC E Code 39 Code 128 POSTNET Coda bar NW 7 Industrial 2 of 5 Matrix 2 of 5 NOTE These fonts are not described in user s manual CHARACTER TABLES Standard version 13 tables NLSP version 42 tables International character sets 13 countries INPUT BUFFER 128 Kbyte Table 1 15 Roll Paper FX 890 FX 2190 Bottom Front Entry Rear Entry Minimum Maximum Minim...

Page 17: ... 1200 V rms 1 sec between AC line and chassis Rated voltage range AC 220 to 240 V Input voltage range AC 198 to 264 V Rated frequency range 50 to 60 Hz Input frequency range 49 5 to 60 5 Hz Rated current 0 6 A Max 1 3A Power consumption Approx 53 W ISO IEC 10561 Letter pattern Approx 3 5 W in sleep mode 0 W in power off mode Energy Star compliant Insulation resistance 10 MΩ min between AC line and...

Page 18: ...ion strokes wire Approx 400 million characters Draft 10 cpi 14 dots character RIBBON CARTRIDGE FX 890 Type Fabric Color Black Ribbon dimensions 13 mm W x 17 M L Endless Ribbon life Approximately 7 5 million characters Draft 10 cpi 14 dots character Cartridge dimensions 287 mm W x 30 mm H x 77 mm D FX 2190 Type Fabric Color Black Ribbon dimensions 13 mm W x 19 M L Endless Ribbon life Approximately ...

Page 19: ...7 Options High capacity cut sheet feeder Bin 1 C80638 C80640 Single bin cut sheet feeder Bin 2 C80637 C80639 Pull tractor unit C80020 C80021 Roll paper holder 8310 8310 Front sheet guide C81400 C81401 Front paper guide C81402 C81403 Serial Interface card C82305 C82306 C82305 C82306 32KB intelligent serial Interface card C82307 C82308 C82307 C82308 Local Talk I F card C82312 C82312 32KB IEEE 488 I ...

Page 20: ...e Area for Cut Sheet Single Sheet Multi Part FX 890 FX 2190 PW Width Refer to PAPER SPECIFICATIONS Table 1 3 on page 10 for single sheet or Table 1 5 on page 11 for multi part Refer to PAPER SPECIFICATIONS Table 1 4 on page 11 for single sheet or Table 1 6 on page 12 for multi part PL Length LM Left Margin 3 mm or more PW 209 2 mm 26 9 mm or more PW 257 mm 3 mm or more PW 351 4 mm 37 3 mm or more ...

Page 21: ...e RM Right Margin TM Top Margin 4 2 mm or more BM Bottom Margin Printable Area Table 1 22 Printable Area for Continuous Paper Continuous Paper FX 890 FX 2190 PW Width Refer to PAPER SPECIFICATIONS Table 1 11 on page 14 Refer to PAPER SPECIFICATIONS Table 1 12 on page 14 PL Length LM Left Margin 13 mm or more PW 241 3mm 9 5 inches 26 mm or more PW 254 mm 10 inches 13 mm or more PW 377 8mm 14 875 in...

Page 22: ...e 1 13 on page 15 Refer to PAPER SPECIFICATIONS Table 1 14 on page 15 PL Length LM Left Margin 3 mm or more RM Right Margin TM Top Margin BM Bottom Margin LM RM PW PL TM BM 6 35mm or more 1 2mm or more Printable area Table 1 24 Printable Area for Roll Paper Roll Paper PW Width Refer to PAPER SPECIFICATIONS Table 1 15 on page 16 PL Length LM Left Margin 3 mm or more RM Right Margin 3 mm or more TM ...

Page 23: ... In bit 1 4 DATA3 22 In bit 2 5 DATA4 23 In bit 3 6 DATA5 24 In bit 4 7 DATA6 25 In bit 5 8 DATA7 26 In bit 6 9 DATA8 27 In bit 7 MSB 10 ACKNLG 28 Out This signal negative pulse indicates that the printer has received data and is ready to accept next one 11 BUSY 29 Out This signal s high level means that the printer is not ready to accept data 12 PE 28 Out This signal s high level means that the p...

Page 24: ... signal is active low level under any of the following conditions In the condition of the printer hardware error fatal error In the condition of the paper out error In the condition of the release lever error In the condition of the cover open error In the condition of the paper eject error PE signal is active high level under the following condition In the condition of paper out error Table 1 26 ...

Page 25: ...firmative when the request is 00H or 04H which mean 00H Request nibble mode of reverse channel transfer 04H Request device ID in nibble mode of reverse channel transfer Device ID The printer sends the following device ID string when it is requested FX 890 When IEEE1284 4 is enabled When IEEE1284 4 is disabled FX 2190 When IEEE1284 4 is enabled When IEEE1284 4 is disabled 00H 4CH MFG EPSON CMD ESCP...

Page 26: ...DATA7 26 In bit 6 9 DATA8 27 In bit 7 MSB 10 PtrClk 28 Out Printer clock signal 11 PtrBusy DataBit 3 7 29 Out Printer busy signal and reverse channel transfer data bit 3 or 7 12 AckDataReq DataBit 2 6 28 Out Acknowledge data request signal and reverse channel transfer data bit 2 or 6 13 Xflag DataBit 1 5 28 Out X flag signal and reverse channel transfer data bit 1 or 5 14 HostBusy 30 In Host Busy ...

Page 27: ... ESCP9 PRPII9 BDC Entity Type EPSONFX EPSONPRPII9 Table 1 31 Reply for Optional command Option command number Command name Reply A Reply B 00h No operation 01h Start Hardware Reset Accept Execute OK 02h Start Software Reset Reject 03h Send Main System Type Accept Execute OK 04h Send Name Data Reject 05h Inquire Name Data Accept Execute OK 06h Send Product Name Accept Execute OK 07h Send Software E...

Page 28: ...n the optional interface is not selected the printer sets OFFLINE bit of MNSTS register to the optional interface When the printer is initialized or returned to the idle state the parallel interface got into a ready state the serial interface sends XON and sets the DTR SPACE and the printer resets OFFLINE bit of MNSTS register to the optional interface Note that the interrupt signal such as a INIT...

Page 29: ...onal mode until a magic string 1284 4 synchronous commands is received By receiving a magic string communication in IEEE1284 4 packet mode is started Off Communication is carried out in the convetional mode NOTE The packet protocol of IEEE1284 4 allows a device to carry on multiple exchanges or conversations which contain data and or control information with another device at the same time across ...

Page 30: ...Function Pause Alternates printing and no printing status Enables Micro Adjust function holding it down for 3 seconds Load Eject Loads or ejects the paper Executes micro feed forward when this function is enabled LF FF Executes line feed pressing it shortly Executes form feed holding it down for a few seconds Executes micro feed backward when this function is enabled Tear Off Bin Advances continuo...

Page 31: ...es Function Load Eject NLQ self test LF FF Draft self test Load Eject LF FF Data dump Load Eject LF FF Pause Clear EEPROM Tear Off Bin Load Eject Clear EEPROM for Driving Line count for ribbon change timing Pause Bi D adjustment Load Eject Pause Panel lock out mode LF FF Pause Default setting for panel lock out Table 1 35 Default Setting Mode Switch Function Menu Pitch Tear Off Bin Enter or exit t...

Page 32: ...hen Card mode is selected Both LEDs blink when continuous paper is in the Tear off position and both LEDs are off when continuous paper is out of the Tear off position Both LEDs are on when the printer is in default setting mode Figure 1 10 Tear Off Bin LEDs 4 Font Green Three LEDs indicate the status of Font Draft Quality selection Figure 1 11 Font LEDs 5 Pitch Green Three LEDs display the status...

Page 33: ...g flowchart for default setting Figure 1 14 Flowchart for Default Setting Table 1 37 Buzzer Status Printer status Beep sounds Paper out error Release lever operation error Cover open error Paper eject error Panel operation Fatal error 1 Holding down Item Font button turn the printer on Language selection sheet Change the language Press Item Font button to select the aimed language Press Set Tear O...

Page 34: ... mode Auto Parallel USB Option Auto I F wait time 10 seconds 30 seconds Parallel I F bidirectional time OFF ON Packet mode Auto OFF Character table Standard version Italic PC437 PC850 PC860 PC863 PC865 PC861 BRASCII Abicomp Roman 8 ISO Latin 1 PC 858 ISO 8859 15 NLSP version Italic PC437 PC850 PC437 Greek PC 853 PC855 PC852 PC857 PC866 PC869 MOZOWIA Code MJK ISO 8859 7 ISO Latin 1T Bulgaria PC774 ...

Page 35: ...tment value for rear manual insertion 8 5 mm TOF adjustment value for front manual insertion 8 5 mm Bottom margin for rear tractor 11 inch Bottom margin for front tractor 11 inch Font Selection Draft Pitch selection 10cpi Print direction setting Bi d I F mode selection Auto Auto I F waiting time setting 10 sec Auto line feed Off Auto tear off Off Skip over perforation Off Input buffer On Software ...

Page 36: ...Font LEDs show the pattern number which is selected at that time The selestion is advanced one by one as the switch is pressed and the combination of On Off Blink of those three LEDs is also changed according to the selection Fix the selected number by pressing Set Tear Off Bin switch Selected number is fixed and next alignment pattern is printed Repeat Steps A and B until finishing Bi d adjustmen...

Page 37: ... 414 mm W x 350 mm D x 167 5 mm H Weight Approximately 7 6 kg Appearance See the figures below This measure excludes the protrusions Figure 1 16 Physical Specifications for FX 890 FX 2190 Dimensions 589 mm W x 350mm D x 167 5mm H Weight Approximately TBD kg This measure excludes the protrusions Figure 1 17 Physical Specifications for FX 2190 ...

Page 38: ...ight Approximately 8 9 kg Appearance See the figures below This measure excludes the protrusions Figure 1 18 Physical Specifications including High capacity cut sheet feeder Bin 1 for FX 890 FX 2190 Dimensions 589mm W x 434mm D x 378mm H Weight Approximately TBD kg This measure excludes the protrusions Figure 1 19 Physical Specifications including High capacity cut sheet feeder Bin 1 for FX 2190 ...

Page 39: ...eight Approximately 8 2 kg Appearance See the figures below This measure excludes the protrusions Figure 1 20 Physical Specifications including Single bin cut sheet feeder Bin 2 for FX 890 FX 2190 Dimensions 589mm W x 445mm D x 386mm H Weight Approximately TBD kg This measure excludes the protrusions Figure 1 21 Physical Specifications including Single bin cut sheet feeder Bin 2 for FX 2190 ...

Page 40: ...Weight Approximately 9 5 kg Appearance See the figures below Figure 1 22 Physical Specifications including High capacity cut sheet feeder Bin1 Single bin cut sheet feeder Bin 2 for FX 890 FX 2190 Dimensions 589mm W x 564mm D x 408mm H Weight Approximately TBD kg This measure excludes the protrusions Figure 1 23 Physical Specifications including High capacity cut sheet feeder Bin1 Single bin cut sh...

Page 41: ...T mode supports ESC P IBM and OKI ML320T commands NOTE Remote commands should not be used in FX 880T mode The following commands are available in any command emulation mode ESC P IBM OKI ML320T ESC n emulation change ESC Nul software I Prime In ESC P command emulation if the following commands come printer ignores them ESC Nul ESC X m n1 n2 In IBM command emulation if the following commands come p...

Page 42: ...Auto Tear Off setting is On the printer always do the Tear Off action when it is not printing TOF position MicroAdjust The setting range of Micro Adjust is 4 2mm to 22mm to 558 8mm 22inch NOTE Don t set up TOF more largely than Page length Table 1 40 Setting Values Available for Default Setting Mode Item Setting Value Software ESC P IBM PPDS OKI ML320T IBM PPDS is the same as IBM 238x plus Auto te...

Page 43: ...C H A P T E R 2 OPERATINGPRINCIPLES ...

Page 44: ...hanism Housing Upper case Lower case Rear sheet guide Knob Printer cover C524MAIN Board The C524MAIN board consists of 2in1ASIC CPU EEPROM PROM DRAM PF Motor Driver IC CR Motor Driver IC driver elements and so on Figure 2 1 C524MAIN Component C524 PSB PSE PSH Board The C524 PSB PSE PSH power supply board consists of Transformer Switching FET Regulator IC Diode bridge Fuse Photo coupler and so on F...

Page 45: ...n is detected by the HP home position detector at power on and at CR motor phase change 2 1 1 4 Tractor Feed Mechanism The tractor feed mechanism feeds continuous paper to the printhead and ejects it Torque from the PF motor is transferred to the tractor unit via the release mechanism in the paper feed mechanism The release lever in the release mechanism switches torque from the PF motor between c...

Page 46: ...embly Assembly CR HP detection Means Mechanical contact Switch rating 06 1 0 mA 5 VDC 5 Resistance load Switch mode Within home IN CLOSE Out of home OUT OPEN p 78 PE detection Front Means Mechanical contact Switch rating 06 1 0 mA 5 VDC 5 Resistance load Switch mode There is paper OPEN No paper CLOSE p 87 PE detection Rear Means Photo interrupter Switch rating 5 VDC 5 Resistance load Switch mode T...

Page 47: ... 0 no CS assertion DRAM IC5 Use Various buffers work areas Device MSM51V18165D Type 2CAS type 16 Mbit DRAM of access time 60 ns with page access function Bus width 16 bits Package 50 pin TSOP II Memory cycle 4 states at normal times 1 state 50 6 ns 2 states in burst mode 1 state 50 6 ns Refresh Refresh controller of the CPU is used CBR method Period 1 024 cycles 16 ms 15 625 us or less EEPROM IC11...

Page 48: ...024M Sanken Drive system Constant current unipolar drive Excitation method 2 2 phase 1 2 phase quadrangular 1 2 phase circular W1 2 phase driving Current detection resistance 0 68 Ω 2 W Current value setting Setting with D A port of the CPU D A reference voltage 3 3 0 3 V The maximum of 8 bit current setting register for D A d 255 Current setting resolution 3 3 255 0 68 0 019A QPIT compensation D ...

Page 49: ...rive circuit 90 V constant voltage circuit 2 circuits each of which is constituted with 9 pins Type Constant voltage dropper circuit for head power regression Driver element FET 2SK3155 Hitachi Input eco voltage 88 7 V 95 8 V Output power voltage 42 V 5 Controlled to a constant voltage by Power Supply Unit Overvoltage detecting circuit OVP Detects 120 V or above as a overvoltage Outputs Off signal...

Page 50: ...nit Name C524 PSB 100 120V Spec C524 PSE 220 240V Spec C524 PSH 100 240V Spec Rated input power voltage 100 120 VAC 220 240 VAC 100 240 VAC Input voltage range 85 138 VAC 187 276 VAC 85 276 VAC Rated input power frequency 50 60 Hz 47 63 Hz Input frequency range Input current Only for reference 1 100 V 120 V 60 Hz 220 V 240 V 50 Hz 100 V 60 Hz 240 V 50 Hz Min load 0 05 A 0 05 A 0 05 A 0 04 A 0 08 A...

Page 51: ...al PROTECTIVE FUNCTIONS Special output holding time The period from the time when output 1 has dropped below 26 V to the time when output 2 drops below the output voltage lower limit 120 ms or more Input 85 V 60 Hz Input 187 V 50 Hz Input 85 V 60 Hz Output At output 1 of no load and output 2 of rated load Table 2 5 Output Specifications Item Output 1 Output 2 Rated output voltage 42 V 5 V Output v...

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

Page 53: ... N I N G When you disassemble the printer pull the power cable and the interface cable out of the plug socket beforehand When you touch any surface which can become hot take care not to suffer a burn C A U T I O N Use only specified tools to avoid impairing the quality of the printer Use only specified lubricants and adhesives Carry out the adjustment by following the specified procedure Wear a wr...

Page 54: ... the values for Default Setting Refer to Default Setting on page 33 Check to see if the surface or the inside of the printer is soiled remarkably or if any component is broken Make certain that the harness is connected properly Make sure that gears of the printer mechanism do not rub each other excessively Confirm that all gears are engaged properly Make certain that the rollers inside the printer...

Page 55: ...operation of ribbon Defective ribbon cartridge Defective ribbon feed mechanism p 60 Abnormal operation of Carriage Unit Printer mechanism does not operate p 60 Faulty print Printer mechanism operates but print is faulty p 62 Printer goes into fatal error status when power is turned on Fatal error is displayed on the control panel After initialization operation the printer goes into error status p ...

Page 56: ...ntrol Panel Replace the Control Panel with a new one Is the problem solved Replace the Control Panel Go to Step 6 6 Power Supply Board Replace the Power Supply Board with a new one Is the problem solved Replace the Power Supply Board Go to Step 7 7 Main Board Replace the Main Board with a new one Is the problem solved Replace the Main Board Go to 3 2 11 Electrical Noise p 62 Table 3 5 Abnormal Car...

Page 57: ...ctive sensor Replace the defective one of the following sensors with a new one Front PE Detector CN6 Rear PE Detector CN7 Release Detector CN11 Is the problem solved Replace the defective sensors Go to Step 4 4 Harness of sensor Replace the defective harness of the following sensors with a new one Front PE Detector CN6 Rear PE Detector CN7 Release Detector CN11 Is the problem solved Replace the de...

Page 58: ...Make sure that all the connectors on the Main Circuit Board and Power Supply Board are connected properly Is the problem solved Problem solved Go to Step 3 3 Platen Gap Adjust the Platen Gap Is the problem solved Replace the Printhead Go to Step 4 4 Defective CR Motor Replace the CR Motor with a new one Is the problem solved Replace the CR Motor Go to Step 5 5 Defective PF Motor Replace the PF Mot...

Page 59: ...tep 4 4 Main Board Replace the Main Board with a new one Is the problem solved Replace the Main Board Go to 3 2 11 Electrical Noise p 62 Table 3 9 Abnormal on line operation normal self printing though Step Action and Question Yes No Parts below can be the source of this error Chapter 4 Disassembly and Assembly Interface cable USB or parallel C524MAIN Board p 74 1 Connection of interface cable Mak...

Page 60: ...bbon Cartridge Can the Ribbon Cartridge be turned by hand Go to Step 2 Replace the Ribbon Cartridge 2 Defective Carriage Check the operation of the Carriage and Timing Belt Does the carriage and belt operate smoothly Go to Step 3 Go to 3 2 9 Abnormal operation of Carriage Unit p 61 3 Defective Ribbon Drive Assembly Check the operation of the Ribbon Drive Assembly Does the Ribbon Drive Assembly tur...

Page 61: ...ibbon Drive Assembly Operate the Timing Belt by hand and check the movement Does the Timing Belt operate smoothly Go to Step 4 Replace or lubricant the Ribbon Drive Assembly 4 Checking the operation of the Carriage Unit Check to see if you can move the Carriage Unit on the SHAFT CR GUIDE from side to side by hand Does the Carriage Unit operate smoothly Go to Step 5 Refer to Lubrication p 100 5 Def...

Page 62: ...f this error Chapter 4 Disassembly and Assembly C524PSB PSE PSH Board p 76 C524MAIN Board p 74 1 External noise 1 Check to see if within 3 m from the printer there is another electrical apparatus such as a generator radio transmitter or an apparatus incorporating a motor 2 Turn off the power to the electrical apparatus in question or move the printer to a position at least 6 m distant from the app...

Page 63: ...ailed to access CG or error in EEPROM data verification Check to see if an error solved by replacing the C524MAIN board Replace C524MAIN Board Go to 3 2 11 Electrical Noise p 62 Abnormal Printhead Temperature Head Open Error value 3AH The printer actually checks the connection between the printhead and C524MAIN Board and an error is recognized as an abnormal printhead temperature if the connection...

Page 64: ...fications 8 19 0 8 Ω at 25 C Note 1 18 Wire numbers Refer to Figure 2 3 in Chapter 2 for wire numbers C1 C8 Common terminals T Thermistor terminal N Not used The contact of the connector and FFC is positioned at the bottom side of the connector Figure 3 2 Printhead Connector Pin Assignment Table 3 15 Motor Coil Resistance Test Points Motor Test Pin Number Test Method Meter Reading PF Motor CN13 1 ...

Page 65: ...C H A P T E R 4 DISASSEMBLYANDASSEMBLY ...

Page 66: ...e Printhead when you handle it as it may be very hot right after printing Do not touch the heat sink attached to the switching FET Q1 on the power supply board right after power off as it may be very hot C A U T I O N To maintain efficient printer operation take the precautions below Use only the recommended tools for maintenance work Use only the recommended lubrications and adhesives See Chapter...

Page 67: ...ure Not too hot Checked OK Not necessary Paper Path Do all types of paper advance smoothly Checked OK Not necessary Is the tractor feeding paper smoothly Checked OK Not necessary Are all paper paths clear of obstructions Checked OK Not necessary Is the plate free of damage Checked OK Not necessary Ribbon Mask Is the ribbon mask free of damage Checked OK Not necessary Operation Self Test Was the se...

Page 68: ...ws and washers Table 4 3 List of Screws Used No Name and specification Shape 1 CBS M3x6 2 CBS M3x12 3 PLASTIC HEAD P TITE 4X13 4 CBP M4x12 5 CBS M3x8 6 CBP M3x8 7 CBP M3x12 8 CBS M3x4 9 CBS M3x8 C P2 10 CB 0 M4x8 11 PRINTER MECHANISM MOUNTING SCREW 12 CP M3x4 13 SHAFT MOUNT CR M8x10 14 CB M3x6 15 CBS M3x10 16 Hexagon nut normal M4 Table 4 3 List of Screws Used No Name and specification Shape ...

Page 69: ...ged with each other if necessary Figure 4 1 Disassembly Flowchart Pre disassembly Procedures p 70 Upper Housing p 72 C524MAIN Board p 74 C524PSB PSE PSH Board p 76 START CR Motor p 81 Release Detector p 86 Printer Mechanism Disassembly p 77 Printhead p 77 HP Home Position Detector p 78 Platen p 79 Carriage Assembly p 88 Rear Paper Guide Assembly p 90 PF Gear Train p 84 PF Motor p 83 Ribbon Drive R...

Page 70: ...r paper eject cover knob and tractor unit Paper Guide Assembly See Figure 4 2 Top cover See Figure 4 2 Knob See Figure 4 2 Paper eject cover See Figure 4 3 Front cover See Figure 4 4 Tractor unit See Figure 4 5 Figure 4 2 Pre Disassembly Figure 4 3 Paper Eject Cover Removal Figure 4 4 Front Cover Removal Paper Guide Assembly Knob Top cover Paper Eject Cover Front Cover ...

Page 71: ...bly Main Components Disassembly 71 Figure 4 5 Tractor Unit Removal C A U T I O N Remove the paper eject cover and the tractor unit by pushing and releasing the hooks at both sides When remounting them be sure to snap these hooks on the projecting parts ...

Page 72: ...ngage the hook found at the left of the panel assembly 5 Push out the left side of the Panel Assembly slightly and take it out by shifting it to the left a little and disconnect the Panel FFC Figure 4 6 Upper Housing Removal 1 When installing the Panel Assembly lead the lead wires of the Case Open Sensor as shown below Lead wires of the Case Open Sensor Harness Panel Panel Assembly CBS Screw 3x8 T...

Page 73: ... O N When assembling the upper housing put the catching holes in the upper housing on the hooks at the rear side of the lower case at first then close the housing See Figure 4 7 Mount the Panel assembly onto the upper housing before installing the upper housing assembly Sheet Release Cap can be assembled after the upper housing assembly is installed Sheet Release Cap Hooks Catching holes ...

Page 74: ... of this circuit is measured with the custom instruments and regulated at the assembly process Never attempt to replace any components of this circuit on the board and doing so resulted in damaging the unit Be careful with the edges of the shield plate as they are very sharp Be sure to match the connector colors with each other Table 4 4 CN No Pins Color Connected to CN5 2 Blue PG Detector CN6 2 B...

Page 75: ...ing the I F GROUNDING PLATE to the C524MAIN board Then remove the I F GROUNDING PLATE Figure 4 10 C524MAIN Board Removal 3 Lead the lead wires as shown below A D J U S T M E N T R E Q U I R E D Once the C524MAIN Board has been replaced be sure to make the following adjustments with the adjustment program Refer to Adjustment Program on page 97 Bi D Adjustment EEPROM Writing USB ID Input Firmware Re...

Page 76: ...4PSB PSE PSH Board 6 Remove the 2 CBP M3x12 screws securing the C524PSB PSE PSH Board to the Lower Case and remove the C524PSB PSE PSH Board Figure 4 11 C524PSB PSE PSH Board Removal W A R N I N G Before disassembling assembling or adjusting the printer disconnect the power supply cable from the AC power socket Failure to do so might cause personal injury Do not touch the heat sink attached to the...

Page 77: ... T R E Q U I R E D After installing the Printhead make the following adjustments Platen Gap Adjustment p 95 Bi d Adjustment p 101 When installing the Printhead with the Head FFC put the Head FFC under the hook of the carriage base Make sure that the Head FFC is propoerly connected to the printhead Do not connect the Head FFC at angle to a connector either on the printhead or the C524MAIN Board Whe...

Page 78: ...HP Home Position Detector 1 Remove the top cover See Figure 4 2 2 Release the hook attaching the HP detector to the Printer Mechanism and remove it See Figure 4 13 3 Disconnect the harness of the detector from the detector connector Figure 4 13 HP Detector Removal Harness Hook Hook HP Detector ...

Page 79: ...center and remove the platen to the left See Figure 4 15 Figure 4 14 Platen Removal 1 Figure 4 15 Platen Removal 2 C A U T I O N Take care not to cut your finger on the metallic frame or on the PAPER GUIDE ASSY SUPPORT When installing the COVER PLATEN make sure that the hook on the right side of the COVER PLATEN is engaged with the gear shaft on the right side of the Printer Mechanism Assy properl...

Page 80: ... 9 5 Remove the 2 CBP M3x8 screws securing the MOUNT HOUSING to the lower housing and remove the MOUNT HOUSING See Figure 4 16 6 Remove the 4 CBB W13 M3x14 screws and remove the Printer Mechanism by lifting it up Figure 4 16 Printer Mechanism Removal 1 A D J U S T M E N T R E Q U I R E D After installing the Printer Mechanism make the following adjustment Bi d Adjustment p 101 CBB W13 M3x14 Screws...

Page 81: ...m Disassembly 81 4 3 5 CR Motor 1 Remove the Printer Mechanism p 80 2 Release the tension spring See Figure 4 17 3 Disengage the TIMING BELT CR from the CR Motor pinion and hang it on the Hanger Figure 4 17 CR Motor Removal 1 Tension Spring CR Motor TIMING BELT CR Hanger ...

Page 82: ...e 4 18 CR Motor Removal 2 A D J U S T M E N T R E Q U I R E D After installing the CR Motor make the following adjustment Bi d Adjustment p 101 After installing the TIMING BELT CR make the following adjustment Bi d Adjustment p 101 Position the CR Motor assembly on the MOUNTING PLATE MOTOR CR correctly as shown below Lead the FFC and lead wires as shown below CR Motor MOUNTING PLATE MOTOR CR Cable...

Page 83: ...the release lever Lever Release in the forefront position Tractor Position 4 Remove the 2 CBS M3x10 CB M3x8 screws securing the PF Motor to the FRAME SUB RIGHT and remove the PF Motor Figure 4 19 PF Motor removal C A U T I O N If the release lever is set to the Friction feeding position PF Motor is not released CBS Screw 3x10 Tightening Torque 0 9 0 1N m CB Screw 3x8 Tightening Torque 0 9 0 1N m P...

Page 84: ...r Lever Release in the forefront position Tractor Position 4 Remove the head FFC from the FRAME SUB RIGHT of the Printer Mechanism See Figure 4 20 5 Remove the 2 CBS M3x8 CB M3x8 screws securing the FRAME SUB RIGHT and remove the FRAME SUB RIGHT Figure 4 20 PF Gear Train Disassembly 1 Head FFC CBS Screws 3x8 Tightening Torque 0 9 0 1N m FRAME SUB RIGHT CB Screws 3x8 Tightening Torque 0 9 0 1N m ...

Page 85: ...is in the Tractor position 2 Install the INTERMITTENT GEAR in a position as shown below 3 Install the LEVER RELEASE and LEVER RELEASE TRANSMISSION in the Tractor position After installing the FRAME SUB RIGHT move the LEVER RELEASE from the Tractor position forefront to the Friction position and vice versa to confirm proper gear engagement SPUR GEAR 34 5 CAM CLUTCH TRACTOR LEVER RELEASE INTERMITTEN...

Page 86: ...tor See Figure 4 22 3 Disconnect the harness from the detector Figure 4 22 PG Detector Removal 4 3 9 Release Detector 1 Remove the Printer Mechanism p 80 2 Release the 2 clips attaching the Release detector to the FRAME SUB RIGHT in the Printer Mechanism and remove the detector See Figure 4 23 3 Disconnect the harness from the detector Figure 4 23 Release Detector Removal Clips PG Detector LEFT FR...

Page 87: ...Detector Removal 4 3 11 Rear PE Detector 1 Remove the Printer Mechanism p 80 2 Hold the Printer Mechanism horizontally 3 Release the 2 clips securing Rear PE detector to Rear Paper Guide Assembly 4 Release the 2 notches on the Rear Paper Guide Assembly securing the detector and slide the detector toward rear a little Then remove the detector by pulling it downward See Figure 4 25 5 Disconnect the ...

Page 88: ...7 3 Remove the Platen p 79 4 Remove the CR Motor p 81 5 Remove the hexagon nut M4 and the washer securing the LEVER G ADJUST to the SHAFT CR GUIDE and remove the lever See Figure 4 26 6 Remove the BUSHING PARALLEL ADJUST to turn the SHAFT CR GUIDE Figure 4 26 Carriage Assembly Removal 1 BUSHING PARALLEL ADJUST Hexagon Nut 4 Tightening Torque tamporary about 2Kgfcm LEVER G ADJUST ...

Page 89: ... the Carriage Assembly make the following adjustments Bi d Adjustment p 101 Platen Gap Adjustment p 95 Lubrication is necessary at three points For details refer to Lubrication p 100 in Chapter 6 When attaching the TIMING BELT to the Carriage Assembly secure the TIMING BELT with the left and right clips in the Carriage Assembly as shown below and ensure there is no slack in the TIMING BELT Make su...

Page 90: ...the harness for HP Detector See page 78 7 Remove the CBS M3x8 screw securing the Holder Pulley Driven to the LEFT FRAME and remove the Holder Pulley Driven See Figure 4 28 8 Remove 3 CBS M3x8 screws securing the LEFT FRAME in the Printer Mechanism 9 Remove the Head FFC from the FRAME REAR in the Printer Mechanism And release all the cables from the hooks on the FRAME REAR See Figure 4 29 Figure 4 ...

Page 91: ...Figure 4 30 Rear Paper Guide Assembly Removal 3 Lubrication is necessary For details refer to Lubrication p 100 in Chapter 6 When attaching the Holder Pulley Driven to the LEFT FRAME put the hook of the Holder Pulley Driven on the shaft of driven pulley at the Ribbon Drive Assembly Install the RIGHT FRAME and Rear Paper Guide Assembly so that the Release Shaft is positioned as shown below and the ...

Page 92: ...Remove the 3 CBS M3x8 screws securing the LEFT FRAME in the Printer Mechanism and remove the LEFT FRAME See Figure 4 28 9 Release the tension spring See Figure 4 17 10 Remove the CBS C P2 M3x8 screw and the CBP M3x8 screw securing the Ribbon Drive Assembly See Figure 4 31 11 Release the Ribbon Drive Assembly engaging with the ROLLER ASSEMBLY DRIVE and remove the Ribbon Drive Assembly Figure 4 31 R...

Page 93: ...C H A P T E R 5 ADJUSTMENT ...

Page 94: ...ools required for each adjustment Table 5 1 Required Adjustment Removal or Replacement Requiring Adjustment Required Adjustment Setting Platen Gap Bi d Adjustment F W Reload Printhead Removal or Replacement O O Printer Mechanism Replacement O Printer Mechanism Removal O O Main Boar Replacement O O Timing Belt Replacement O O Platen Replacement O Carriage Assembly Replacement O O CR Motor Replaceme...

Page 95: ...the position 0 Position the lever in the bottom one of the lever positioning holes in the Frame Assy Left 6 Rotate the SHAFT CR GUIDE so that the large countersink at the left end of the shaft comes upward 7 Loosen slightly the hexagon nut securing the PG Adjust Lever to the SHAFT CR GUIDE 8 Tilt the printer forward until the Printhead becomes vertical to the reference surface e g the top surface ...

Page 96: ...ckness range for the lower Platen Gap 3 Platen Gap means the clearance as shown in Figure 7 between the platen and the wire end without the ribbon or paper in between The Platen Gap must always meet the appropriate range as shown in Figure 6 under any conditions Figure 5 3 Platen Gap Adjustment 3 Table 5 3 Criteria for Platen Gap Adjustment Gauge Criterion 0 37 mm Falls by its own weight 0 40 mm D...

Page 97: ...the program double click on the program icon APFX8902190_Ver10E When the program is properly executed a main window shown in XXX appears Select appropriate item wtih each menu Model Name FX 890 FX 2190 Destination Select the product configuration that matches to your market Program Type This adjustment program has two adjustment modes and each mode is designed to be selectively performed depending...

Page 98: ...C H A P T E R 6 MAINTENANCE ...

Page 99: ...r adjusting the printer disconnect the power supply cable from the AC power socket Failure to do so might cause personal injury Be careful with the Printhead when you handle it as it may be very hot right after printing Do not touch the heat sink attached to the switching FET Q1 on the power supply board right after power off as it may be very hot C A U T I O N Do not use thinner trichloroethylene...

Page 100: ...ole Ribbon Drive RD Assembly p 92 Shaft A Shaft B Shaft C G 26 a half grain of rice Figure 6 2 Ratchet RD G 26 a half grain of rice Figure 6 3 SPUR GEAR 21 G 26 one grain of rice Plain Washer 3 1x0 2x6 S NA G 26 a half grain of rice E Ring 3x0 45x7 S NA Plain Washer 4 1x0 2x7 8 S NA Combination Gear 8 19 upper gear teeth G 26 a half grain of rice Figure 6 4 Combination Gear 8 19 lower gear teeth S...

Page 101: ...vision B Maintenance Lubrication 101 Figure 6 1 Lubrication Point PF Gear Train Figure 6 2 Lubricating Point RD Assy 1 Figure 6 3 Lubricating Point RD Assy 2 SPUR GEAR 34 5 G 26 G 26 Ratchet RD SPUR GEAR 21 G 26 G 26 G 26 ...

Page 102: ...5 Lubricating Points Roller Assy PF Drive Figure 6 6 Lubricating Points Shaft Release Figure 6 7 Lubricating Points Carriage Assembly G 26 G 26 G 26 Combination Gear 8 19 Combination Gear 7 5 15 Spur Gear 25 5 G 26 Holder PF Shaft Plain Washer Direction of Leaf Spring Holder PF Shaft G 26 Shaft Release O 14 ...

Page 103: ...EPSON FX 890 2190 Revision B Maintenance Lubrication 103 Figure 6 8 Lubricating Points LEFT FRAME Roller PF Drive PG Adjusting holes 7 holes G 26 ...

Page 104: ...C H A P T E R 7 APPENDIX ...

Page 105: ... CN1 36 Parallel I F CN2 36 Type B I F Option CN3 4 USB I F CN5 2 PG Detector CN6 2 Front PE Detector CN7 3 Rear PE Detector CN8 2 HP Detector CN11 2 Release Detector CN12 5 CR Motor CN13 4 PF Motor CN14 10 DC input Power On Off CN15 16 Printhead upper connector CN16 17 Printhead Thermistor lower connector CN19 2 FAN CN20 20 Control Panel C524 PSB PSE PSH Board CN1 2 AC line input CN2 10 DC output...

Page 106: ... PE Front PE Detector signal 2 GND Ground Table 7 4 Connector Pin Assignment CN7 Pin No I O Signal Name Function 1 5V 5V 2 I PE Rear PE Detector signal 3 GND Ground Table 7 5 Connector Pin Assignment CN8 Pin No I O Signal Name Function 1 I HP HP Detector signal 2 GND Ground Table 7 6 Connector Pin Assignment CN11 Pin No I O Signal Name Function 1 I RELEASE Release Detector signal 2 GND Ground Tabl...

Page 107: ... O HEAD11 11 Head Data 10 C7 16 17 Common 11 O HEAD17 17 Head Data 12 C8 4 8 14 Common 13 Not used 14 O HEAD14 14 Head Data 15 O HEAD4 4 Head Data 16 O HEAD8 8 Head Data Table 7 10 Connector Pin Assignment CN16 Pin No I O Signal Name Function 1 Not used 2 O HEAD1 1 Head Data 3 O HEAD9 9 Head Data 4 O HEAD13 13 Head Data 5 O HEAD7 7 Head Data 6 C1 1 7 13 Common 7 Not used 8 O HEAD18 18 Head Data 9 ...

Page 108: ...ndix Electric Circuit Diagrams 108 7 2 Electric Circuit Diagrams The following pages show circuit diagrams below C524MAIN Circuit Diagram C524PANEL Circuit Diagram C524PSB Circuit Diagram C524PSE Circuit Diagram C524PSH Circuit Diagram ...

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Page 114: ...iagrams See the following pages for the exploded diagrams below Exploded Diagram for FX 890 1 Exploded Diagram for FX 890 2 Exploded Diagram for FX 890 3 Exploded Diagram for FX 890 4 Exploded Diagram for FX 2190 1 Exploded Diagram for FX 2190 2 Exploded Diagram for FX 2190 3 ...

Page 115: ... A A B J C B C H E F I K L M G D D 110 105 108 102 106 116 104 103 107 111 112 112 112 117 132 133 115 101 100 101 137 109 127 127 181 181 181 181 181 180 180 180 180 180 180 180 185 185 183 138 150 151 182 182 122 141 120 184 184 121 125 ...

Page 116: ...FOR FX 890 NO 2 R ev 01 C524 E LE C 01 A A B J C B C H E F I K L M G D D 300 450 372 200 400 350 ...

Page 117: ... 607 594 598 592 595 591 599 529 576 588 589 537 536 575 581 550 607 601 613 620 621 622 651 590 587 595 593 501 543 547 549 570 573 568 557 619 602 572 617 623 619 609 609 608 574 618 532 527 530 531 534 532 535 534 528 578 582 551 548 585 504 653 563 615 614 650 610 610 652 525 502 524 521 561 562 597 535 182 181 181 181 181 181 523 522 184 661 661 661 661 660 660 660 660 ...

Page 118: ...FOR FX 890 NO 4 R ev 01 C524_PACK_01 03 01 06 04 04 xx 07 02 02 02 05 05 ...

Page 119: ...150 121 127 The parts to which no reference number is assigned will not be available as after sale service parts 104 112 111 126 126 126 126 126 125 109 125 115 112 101 116 105 106 126 126 101 120 102 118 110 125 125 133 119 108 107 117 132 113 151 100 123 135 122 103 ...

Page 120: ...FOR FX 2190 NO 2 Rev 01 C526_ELEC_01 A A B G D E J F F K L B I F H 200 400 373 330 372 450 ...

Page 121: ...531 528 620 511 605 610 609 500 540 541 505 540 505 524 521 583 123 523 586 123 586 556 569 564 579 577 576 596 601 607 591 529 524 580 592 610 594598 595 607 601 651 590 587 595 613 616 503 593 618 501 597 615 600 600 600 557 582 570 527 530 532 549 547 543 550 545 544 504 522 603 568 563 584 585 610 561 562 540 505 540 505 573 610 650 589 588 548 551 546 542 551 536 575 603 652 502 560 565 552 5...

Page 122: ... I F BOARD 120 LOGO PLATE 12X48 C 121 SHEET RELEASE CAP 122 STOPPER COVER FRONT 125 FAN ASSY 127 C B S SCREW B300204311 132 GROUNDING PLATE I F 133 GROUNDING PLATE I F UPPER 137 GROUNDING PLATE BOTTOM 138 HOLDER CABLE 141 SHEET PANEL 150 DETECTOR ASSY CASE OPEN 151 HOLDER DETECTOR 180 C B P TITE SCREW 3X12 F ZN 181 C B S SCREW B300204211 182 C B P TITE SCREW 3X8 F ZN 183 C B S TITE 3X20 F ZN 184 C...

Page 123: ...F 522 DETECTOR HP 523 HARNESS HP Table 7 11 Parts List FX 890 REF DESCRIPTION 524 CONNECTOR SWITCH B 525 PAPER GUIDE ASSY REAR 526 SHAFT RELEASE 527 HARNESS PE FRONT 528 HARNESS PE REAR 529 HARNESS RE 530 DETECTOR PE FRONT S 531 DETECTOR ASSY REAR 532 ROLLER PF DRIVEN LOWER 533 ROLLER ASSY PF 534 EXTENSION SPRING 70 535 COMPRESSION SPRING 1000 536 CARRIAGE SUB ASSY 537 SLIDER CR 541 TRACTOR ASSY 5...

Page 124: ...3 BUSHING PARALLEL ADJUST 584 LEVER GAP ADJUST 585 CAP LEVER EDGB Table 7 11 Parts List FX 890 REF DESCRIPTION 587 MOUNTING PLATE MOTOR CR 588 HOLDER RIBBON MASK 589 OIL PAD F334005140 590 LEVER RELEASE EDGB 591 CAM CLUTCH TRACTOR 592 HOLDER CABLE 593 COMBINATION GEAR 31 5 8 594 SPUR GEAR 27 595 SPUR GEAR 34 5 596 SPUR GEAR 34 597 SPUR GEAR 15 598 INTERMITTENT GEAR 599 LEVER RELEASE TRANSMISSION W...

Page 125: ... PULLEY DRIVEN 653 CABLE HEAD 655 SHAFT CR GUIDE 660 C B B TITE P 13 3X14 F ZN 661 BASE RUBBER 662 PAPER EJECT ASSY 1 IND CARTON BOX FOR AMERICA 2 PAD SET PRINTER 3 PAD SHEET GUIDE ASSY 4 PAD CR 5 PAD PLATEN 6 PAD SLEEVE 7 PLASTIC PROTECTIVE BAG 650X570X0 06T 300 BOARD ASSY POWER SUPPLY 400 POWER CABLE Table 7 11 Parts List FX 890 REF DESCRIPTION 450 HOUSING ASSY PANEL NON FIG OIL O 14 NON FIG GRE...

Page 126: ...8 HOLDER SHEET GUIDE L 119 HOLDER SHEET GUIDE R 120 LOGO PLATE 12X48 C 121 STOPPER COVER FRONT 122 HOLDER CABLE 123 FAN ASSY 125 C B S SCREW B300204211 126 C B P TITE SCREW 3X12 F ZN 127 C B S SCREW B300204211 132 GROUNDING PLATE I F 133 GROUNDING PLATE I F UPPER 135 C B S TITE 3X20 F ZN 150 DETECTOR ASSY CASE OPEN 151 HOLDER DETECTOR CN2 GROUNDING PLATE I F 200 BOARD ASSY MAIN 330 BOARD ASSY POWE...

Page 127: ...ZD3 ZENER DIODE 500 PRINTER MECHANISM ASP M 3R60 100 Table 7 12 Parts List FX 2190 Ref No Description 501 FRAME ASSY RIGHT 502 FRAME ASSY LEFT 503 MOTOR ASSY CR 504 RD ASSY 505 BASE RUBBER 511 MOTOR PF 521 HARNESS PG 522 DETECTOR HP 523 HARNESS HP 524 CONNECTOR SWITCH B 525 PAPER GUIDE ASSY REAR 526 SHAFT RELEASE 527 HARNESS PE FRONT 528 HARNESS PE REAR 529 HARNESS RE 530 DETECTOR PE FRONT S 531 D...

Page 128: ... 571 FRAME REAR 572 FRAME BASE 573 COVER PLATEN 575 RIBBON MASK Table 7 12 Parts List FX 2190 Ref No Description 576 PAPER GUIDE ASSY SUPPORT 577 GUIDE PAPER LOAD 578 LEVER RELEASE TRANSMISSION W 579 FRAME FRONT 580 FRAME SUB RIGHT 582 SHAFT CR GUIDE 583 BUSHING PARALLEL ADJUST 584 LEVER GAP ADJUST 585 CAP LEVER EDGB 586 GROUNDING PLATE MECHA 587 MOUNTING PLATE MOTOR CR 588 HOLDER RIBBON MASK 589 ...

Page 129: ... B SCREW B010303411 613 SHAFT MOUNT CR 615 HOLDER CABLE HEAD 616 SHEET RELEASE CAP 618 SPUR GEAR 36 620 LEVER DETECTOR PE REAR 621 LEVER PE SUPPORT 622 TORSION SPRING 0 26 650 HEAD KIT ASP 651 EXTENSION SPRING 16 45 652 HOLDER PULLEY DRIVEN NON FIG OIL O 14 NON FIG GREASE G 26 40GR B702600001 Table 7 12 Parts List FX 2190 Ref No Description ...

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Epson 890N - FX B/W Dot-matrix Printer, Service Manual

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