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EPSON LX-300+II/300+II RTP/1170II

Revision D

LX-300+II RTP

DISASSEMBLY AND ASSEMBLY

98

About LX-300+II RTP, this service manual has only the chapters of the
DISASSEMBLY AND ASSEMBLY, ADJUSTMENT, Parts List and Exploded
Diagram.

7.1 DISASSEMBLY AND ASSEMBLY

This section explains the disassembly and assembly of LX-300+II. Unless otherwise
specified, assembly can be done in the reverse order of the disassembly procedure.

Anything that service person should pay attention to is described under “Check Point”.
Any adjustment required after assembly is described under “Adjustment”.

When you have to remove parts that are not described in this chapter, refer to the
exploded diagram on Appendix of this manual.

The figure below is the disassembly flowchart for main component.

Flowchart 7-1. Disassembly Flowchart (Main Component)

C A U T I O N

Remove ink ribbon and paper before disassembling the printer.

7.1.1 “Printhead Unit

Removal”

7.1.4 “Panel Board

Assembly Removal”

7.1.3 “Printer Mechanism

Removal”

7.1.6 “P/S Board Assembly

Removal”

7.1.5 “Main Board

Assembly Removal”

START

7.1.2 “Upper Housing

Unit Removal”

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Summary of Contents for cLX-300+II RTP

Page 1: ...EPSON LX 300 II LX 300 IIRTP LX 1170II 9 pin Serial Impact Dot Matrix Printer 410687104 SERVICE MANUAL LX 300 II LX 1170II LX 300 II RTP ...

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

Page 3: ...TRONIC COMPONENTS 4 WHEN DISASSEMBLING OR ASSEMBLING A PRODUCT MAKE SURE TO WEAR GLOVES TO AVOID INJURIES FROM METAL PARTS WITH SHARP EDGES 5 WHEN USING COMPRESSED AIR PRODUCTS SUCH AS AIR DUSTER FOR CLEANING DURING REPAIR AND MAINTENANCE THE USE OF SUCH PRODUCTS CONTAINING FLAMMABLE GAS IS PROHIBITED WARNING 1 REPAIRS ON EPSON PRODUCT SHOULD BE PERFORMED ONLY BY AN EPSON CERTIFIED REPAIR TECHNICI...

Page 4: ...e following additional information for reference Connector pin assignments Electric circuit boards components 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...

Page 5: ...ata in the specific address request for LX 1170II is added page 37 Total thickness Maximum 0 015 0 0154 page 38 Total thickness Maximum 0 015 0 0154 page 87 93 Descriptions on adjustment are added page 106 3BH TEAR OFF BIN Function TEAR OFF function page 107 3CH Font selection Font function page 107 75H 7BH is added page 107 7CH is added page 107 7DH is added page 107 7EH is added page 107 7FH is ...

Page 6: ...l codes 29 1 5 1 ESC P2 29 1 5 2 IBM 2380 2381 Plus Emulation 30 1 5 3 Bi Directional Commands 31 1 6 Initialization 35 1 7 Paper Specifications 36 1 8 Physical Specifications 39 1 8 1 Physical Specifications for LX 300 II 39 1 8 2 Physical Specifications for LX 1170II 40 1 9 Accessories 41 Chapter 2 Operating Principles 2 1 Overview 43 2 2 Printer Mechanism 44 2 2 1 Printhead 45 2 2 2 Carriage Me...

Page 7: ...89 5 2 2 Bi D Adjustment 90 5 2 3 Top Margin Adjustment 90 5 2 4 Bottom Margin Adjustment 91 Chapter 6 Maintenance 6 1 Maintenance 93 6 1 1 Cleaning 93 6 1 2 Lubrication 93 Chapter 7 LX 300 II RTP 7 1 DISASSEMBLY AND ASSEMBLY 98 7 1 1 Printhead Unit Removal 99 7 1 2 Upper Housing Unit Removal 100 7 1 3 Printer Mechanism Removal 101 7 1 4 Panel Board Assembly Removal 102 7 1 5 Main Board Assembly R...

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

Page 9: ...8 Barcode fonts Character tables Standard version 13 tables NLSP version 38 tables Input buffer 64 Kbytes Acoustic noise 49 dB A ISO 7779 pattern Reliability Mean print volume between failure MVBF MTBF 25 duty cycle 12 million lines except printhead MTBF 6000 POH 25 Duty Printhead life 400 million strokes wire Ribbon life 3 million characters For details see Reliability p 14 Interface Bi direction...

Page 10: ...IBM 2380 Plus emulation LX 1170II ESC P and IBM 2381 Plus emulation Refer to 1 5 Control codes Table 1 1 Print Speed and Printable Columns Printing mode Character pitch cpi Printable columns Printing speed 9 15 cps LX 300 II LX 1170II High speed draft 10 80 136 300 12 96 163 337 15 120 204 337 High speed draft condensed 17 137 233 321 20 160 272 300 Draft 10 80 136 225 12 96 163 270 15 120 204 225...

Page 11: ...PC865 Nordic PC APTEC Arabic PC708 Arabic PC720 Arabic PCAR864 Arabic PC863 Canadian French Abicomp BRASCII Roman 8 ISO Latin 1 Hebrew 7 1 Hebrew 8 1 PC862 Hebrew 1 PC858 ISO 8859 15 PC771 Lithuania PC1250 PC MC PC1251 NOTE 1 This item is not displayed in a default setting mode Only for customized models International character sets 13 countries U S A France Germany U K Denmark 1 Sweden Italy Spai...

Page 12: ...ch PC 865 Nordic PC 861 Icelandic BRASCII Abicomp Roman 8 ISO Latin 1 PC 858 ISO 8859 15 EPSON Draft EPSON Roman EPSON Sans serif NLSP version Italic table PC 437 US Standard Europe EPSON Draft EPSON Roman EPSON Sans serif EPSON OCR B PC 860 Portuguese PC 865 Nordic BRASCIl Roman 8 PC437 Greek PC 855 Cyrillic PC 857 Turkish PC 869 Greek Code MJK CSFR lSO Latin 1T Turkish PC774 LST 1283 1993 1SO 88...

Page 13: ...I Lever position Paper thickness inch Paper thickness mm Paper thickness inch Paper thickness mm Min Max Min Max 1 0 0 0024 0 0071 over 0 06 up to 0 18 0 0024 0 0071 over 0 06 up to 0 18 1 0 0071 0 0102 over 0 18 up to 0 26 2 0 0102 0 0130 over 0 26 up to 0 33 0 0071 0 0102 over 0 18 up to 0 26 3 0 0130 0 0154 over 0 33 up to 0 39 4 0 0154 0 0205 over 0 39 up to 0 52 0 0102 0 0130 over 0 26 up to ...

Page 14: ...lass B EN61000 3 2 EN61000 3 3 EN55024 Table 1 7 Ribbon Cartridge Black Cartridge Color Cartridge 1 Type Fabric Color Black Black Magenta Cyan and Yellow Ribbon life 2 3 million characters Black 1 million characters Magenta 0 7 million characters Cyan 0 7 million characters Yellow 0 5 million characters Table 1 8 Safety Approvals LX 300 II Type Standards 120V version Safety standards UL60950 CSA C...

Page 15: ...ions Refer to 1 7 Paper Specifications LM Left Margin LX 300 II 3 mm or more PW 229 mm 24mm or more PW 257 mm LX 1170II 3 mm or more PW 364 mm 29mm or more PW 420 mm LX 300 II 3 mm or more PW 229 mm 24mm or more PW 257 mm LX 1170II 3 mm or more PW 364 mm 29mm or more PW 420 mm RM Right Margin LX 300 II 3 mm or more PW 229 mm 24mm or more PW 257 mm LX 1170II 3 mm or more PW 364 mm 29mm or more PW 4...

Page 16: ... Margin 4 2 mm or more NOTE The maximum horizontal recommended printable area is 203 2mm Table 1 12 Recommended Printable Area for Continuous Paper Continuous Paper LX 300 II LX 1170II PW Width Refer to 1 7 Paper Specifications PL Length Refer to 1 7 Paper Specifications LM Left Margin 13 mm or more PW 254 mm 24mm or more PW 254 mm 13 mm or more PW 377 8mm 18 mm or more PW 406 4 mm RM Right Margin...

Page 17: ...le 1 13 Recommended Printable Area for Roll Paper Continuous Paper PW Width Refer to 1 7 Paper Specifications PL Length Refer to 1 7 Paper Specifications LM Left Margin 3 mm or more RM Right Margin 3 mm or more TM Top Margin 4 2 mm or more BM Bottom Margin 4 2 mm or more NOTE The maximum horizontal recommended printable area is 203 2mm for LX 1170II ...

Page 18: ...ompatible IEEE 1284 level 1 device Figure 1 6 Data Transmitting Timing Table 1 14 Parameter Parameter Minimum Maximum Condition VOH 5 5V VOL 0 5V IOH 0 32mA VOH 2 4V IOL 12mA VOL 2 4V CO 50pF VIH 2 0V VIL 0 8V IIH 0 32mA VIH 2 0V IIL 12mA VIL 0 8V CI 50pF NOTE Logic H signal is 2 0V or lower when the printer is off and the signal is 3 0V or higher when the printer is on The receiver has impedance ...

Page 19: ...Pin No Signal Name Return GND Pin In Out Functional Description 1 STROBE 19 In Strobe pulse Input data is latched at falling edge of the signal 2 DATA1 20 In Parallel input data to the printer bit 0 LSB 3 DATA2 21 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...

Page 20: ... 1170II LX 300 II LX 1170II 00H 4BH MFG EPSON CMD ESCP9 PRPII9 BDC MDL LX 300 II CLS PRINTER DES EPSON SP LX 300 II 00H 4BH MFG EPSON CMD ESCP9 PRPII9 BDC MDL LX 1170II CLS PRINTER DES EPSON SP LX 1170II LX 300 II LX 1170II Table 1 17 Connector Pin Assignment and Signals Reverse Channel Pin No Signal Name Return GND Pin In Out Functional Description 1 HostClk 19 In Host clock signal 2 DATA1 20 In ...

Page 21: ...the input buffer becomes 256 bytes The DTR signal is SPACE and XON code DC1 11H is transmitted when the rest of the input buffer is regained 256 byte Error handling Parity error is only detected Overrun error and framing error are ignored Connector 25 pin subminiature D shell connector female NOTE In Out shows the direction of signal flow as viewed from the printer Table 1 18 Connector Pin Assignm...

Page 22: ... printer hardware error fatal error USB Device Requests for USB Printer as shown below GET PORT STATUS Reply specification for GET PORT STATUS as shown below GET DEVICE ID Device ID The printer sends following device ID string when it is requested SOFT RESET This USB Device Request is used when Host initializes printer s input buffer Table 1 19 Connector Pin Assignment and Signals Pin No Signal na...

Page 23: ...bandons data transfer to peripherals when a peripheral is in busy state for dozens of seconds continuously To prevent hosts from this kind of time out the printer receives data very slowly several bytes per minute even if the printer is in busy state This slowdown is started when the rest of the input buffer becomes several hundreds of bytes At last when the input buffer is full the printer is in ...

Page 24: ... pressed shortly Executes form feed when it is held down for a few seconds Executes micro feed backward when this function is enabled Tear Off Advances continuous paper to the Tear off position Select font when this function is enabled LED Off LED Blinks LED On Micro Adjust Tear Off Draft Draft Condensed Roman Roman Condensed Sans serif Sans serif Condensed Tear Off LF FF Load Eject Pause Paper Ou...

Page 25: ... Both LEDs blink when continuous paper is in the Tear off position Draft Draft Condensed Roman Roman Condensed Sans serif Sans serif Condensed Tear Off LED On LED Off LED Blinks 1 4 1 3 Buzzer Paper out error Beeper sounds Release lever operation error Beeper sounds Fatal error Beeper sounds The description and in the above shows how the beeper sounds Beeper sounds approx 100 ms and interval is ap...

Page 26: ... customized models 2 LX 300 II only Table 1 26 Operation at Power on Function Description of Operation Self test Prints the self test pattern To cancel it make printer pause and turn off the power Default setting Starts the default setting mode See Default Setting on page 27 Data Dump Starts the data dump mode in which all the input data are printed as hexadecimal numbers and corresponding charact...

Page 27: ... return to the first menu after the last menu selection is over 8 Turn the printer off The setting is stored into non volatile memory 1 This setting is effective when IBM 2380 LX 300 II or IBM2381 LX 1170II Plus emulation is selected 2 Settings with bold weight mean the standard factory settings Table 1 27 Setting Menu Item Setting Value 2 Page length for tractor 3 inch 3 5 inch 4 inch 5 5 inch 6 ...

Page 28: ...justment for high speed draft mode Bi d adjustment for draft mode Bi d adjustment for NLQ mode 5 Turn the printer off The setting is stored into non volatile memory 1 4 2 5 Color printing position adjustment LX 300 II Only Color printing position alignment can be adjusted by users Color printing position adjustment method is as follows 1 Turning the printer on while pressing Load Eject Pause switc...

Page 29: ...ly ESC D HT Tab Vertically ESC B VT Advance paper ESC J Font selection Typeface ESC k ESC x ESC y Pitch ESC P ESC M ESC g ESC p Italic Font ESC 4 ESC 5 Bold Font ESC E ESC F Master Select ESC Font enhancement Double Width ESC W DC4 SO Condensed DC2 SI Double height ESC w Double Strike ESC G ESC H Super Subscript ESC T ESC S Underline ESC Spacing Intercharacter Space ESC Space Character handling Ch...

Page 30: ...0 Left Right Margin ESC X Skip Over Perforation ESC N ESC O Set TOF ESC 4 Print position motion Horizontal Print Position ESC d Initialize Tab Position ESC R Tab Horizontally ESC D HT Tab Vertically ESC B VT Advance paper ESC J Font selection Pitch DC 2 ESC P ESC Bold Font ESC E ESC F Master Select ESC I Print Quality ESC d Select Font and Pitch ESC I Font enhancement Double Width DC4 SO ESC SO ES...

Page 31: ... No parameter is saved 1 Only for customized models 2 m1 0 to 1 only 3 Only the following parameters are stored in memory Table 1 31 EJL SP ID CR LF MFG EPSON CMD ESCP9 PRPII9 BDC MDL LX 300 II CLS PRINTER DES EPSON SP LX 300 II FF EJL SP ID CR LF MFG EPSON CMD ESCP9 PRPII9 BDC MDL LX 1170II CLS PRINTER DES EPSON SP LX 1170II FF LX 300 II LX 1170II Table 1 30 Bi Directional Commands Function Code ...

Page 32: ...H 20H PC437 Slovenia 1BH 00H MAZOWIA 2FH 00H PC MC 1CH 00H Code MJK 30H 00H PC1250 1DH 07H ISO 8859 7 31H 00H PC1251 1FH 00H ISO Latin 1T Table 1 34 Bi Directional Commands Function Code Parameter Save Set page length PG 05H 00H 00H p1 p2 m1 m2 p1 0 Continuous paper p2 0 Rear p1 1 CSF p2 0 bin1 p1 2 Manual insertion p2 0 Rear Page length m1 256 m2 0 118mm 1 216inch 648 76 2mm 3inch m1 256 m2 4752 ...

Page 33: ...ter state reply on off ST 01H 00H 01H BDC SP PS CR LF ST nn FF Echo parameters nL nH 01H chr str BDC SP PS CR LF chr str FF Inquire starting date month year SD 01H 00H 01H BDC SP PS CR LF SD nn1 nn2 nn3 FF Inquire total printing lines power on hours TL 01H 00H 01H BDC SP PS CR LF TL TPL nnnnnnnn2 TPH nnnn3 TPR nnnnnnnn4 FF Table 1 34 Bi Directional Commands continued Function Code Parameter Save T...

Page 34: ...e version 0 2bytes 02 fixed Starting date 2 6bytes yy mm dd SD command Total printing line number 8 8bytes nnnnnnnn TL command Total power on hour 16 4bytes nnnn TL command Total printing line number for ribbon charge timing 20 8bytes nnnnnnnn TL command Table 1 39 Packet Commands Function Code Device ID request di 01H 00H 01H Device ID reply 1 EJL SP ID CR LF Device ID string FF State Reply reque...

Page 35: ...Operator initialization Operator initialization The initialization of this level is activated by INIT signal negative pulse This initialization is to clear all the buffers of data to cancel the download character definition to make the printer stand by state if no errors occur to execute Software initialization Software initialization The initialization of this level is activated by the control co...

Page 36: ...CSF single bin Minimum Maximum Minimum Maximum Width inch 3 9 5 8 10 1 16 5 7 2 8 5 16 5 mm 100 148 257 420 182 216 420 Length inch 3 9 14 3 10 1 14 0 14 3 mm 100 364 257 356 364 Thickness inch 0 0025 0 0055 0 0028 0 0055 mm 0 065 0 14 0 07 0 14 Weight g m2 52 90 64 90 lb 14 24 18 24 Quality Plain paper Reclaimed paper Not curled not folded not crumpled Plain paper Reclaimed paper Not curled not f...

Page 37: ...e area is within 0 25mm or 0 0098 inch Weight g m2 45 90 lb 12 24 Quality BOND paper PLAIN paper or AIR MAIL No glue at a flap Not curled not folded not crumpled Table 1 43 Continuous Paper Single sheet and Multi Part Rear Entry Bottom Entry Min Max Min Max Width inch 4 10 16 4 10 16 mm 101 6 254 406 4 101 6 254 406 4 Length one page inch 4 22 4 22 mm 101 6 558 8 101 6 558 8 Copies 1 original 4 co...

Page 38: ...Paper with Labels Rear Entry Bottom Entry Min Max Min Max Label size See the figure below Base sheet width inch 4 10 16 mm 101 6 254 406 4 Base sheet length one page inch 4 22 mm 101 6 558 8 Base sheet thickness inch 0 0028 0 0035 mm 0 07 0 09 Total thickness inch 0 0063 0 0075 mm 0 16 0 19 Label weight g m2 64 lb 17 Quality AVERY CONTINUOUS FORM LABELS AVERY MINI LINE LABELS or the same quality l...

Page 39: ...366 x 275 x 159 mm WxDxH Except knob paper guide paper supports Mass Approx 4 4 kg Appearance See the figure below Figure 1 10 Appearance Without Pull Tractor LX 300 II Physical Specifications CSF Dimensions 366 x 441 x 370 mm WxDxH Except knob paper guide paper supports Mass Approx 4 6 kg Appearance See the figure below Figure 1 11 Appearance With CSF LX 300 II 366 390 2 275 328 158 5 192 7 366 3...

Page 40: ...mm WxDxH Except knob paper guide paper supports Mass Approx 6 6 kg Appearance See the figure below Figure 1 12 Appearance Without Pull Tractor LX 1170II Physical Specifications CSF Dimensions 546 x 440 x 377 mm WxDxH Except knob paper guide paper supports Mass Approx 7 2 kg Appearance See the figure below Figure 1 13 Appearance With CSF LX 1170II 546 570 2 275 328 163 5 197 7 546 570 2 275 439 4 1...

Page 41: ...lack 8758 Ribbon cartridge Color S015073 C H E C K P O I N T The ribbon cartridges and ribbon pack for LX 300 II and LX 1170II are the same as those for LX 300 and LX 1170 respectively Table 1 48 Options Unit Description LX 300 II LX 1170II Cut sheet feeder C80637 C80639 Pull tractor unit C80030 C80034 Roll paper holder 8310 Color upgrade kit C83208 EpsonNet 802 11b g Wireless and 10 100 Base Tx E...

Page 42: ...C H A P T E R 2 OPERATINGPRINCIPLES ...

Page 43: ...ric circuit boards Figure 2 1 Component Unit Circuit board The following sections describe the operating principles of each unit Table 2 1 LX 300 II LX 1170II Main Board control circuit C604Main C641Main Power Supply Board C294PSB C294PSE Panel Board C294PNL Power Supply Board C294PSB PSE Main Board C640 641 MAIN Printer Mechanism Panel Board C294PNL ...

Page 44: ...ism option Platen gap adjustment mechanism Adjust lever Platen gap detector Paper feed mechanism PF motor rear paper end RPE detector bottom paper end BPE detector Release mechanism Release detector REL Figure 2 2 Printer Mechanism Block Diagram Rear paper end detector Bottom paper end detector Platen Tractor PF motor Ribbon Carriage Ribbon Mechanism Printhead Adjust lever Platen gap detector Carr...

Page 45: ...3 Wire Configuration Note The figure is seen from the back of the head facing printing side Direct current coil resistance 33 3 3 3 Ω 25 C Head drive method Rated voltage drive Head drive voltage 35 2 1 3 5 V Peak current Normal 0 75 A Standard Copy 0 85 A Standard 1 0 A Maximum Head drive frequency Normal 1350Hz or less Copy 1350Hz or less Head life Black ribbon 0 2 billion strokes wire or more C...

Page 46: ...hifts the carriage parallel to the platen HP detector Detects carriage home position CR MOTOR This printer uses a stepping motor for CR motor Open loop control switches the phases according to the setting period and this mechanism enables the carriage to move until the appointed position The table below is the CR motor specifications Table 2 4 CR Motor Specifications Item Specification Motor type ...

Page 47: ...9 0 59 C 2700 Color 2 2 0 79 0 79 0 70 0 70 0 70 60 1350 High speed draft 15 cpi Draft 10 cpi Bit image 60 dpi F BW 2 2 0 70 0 59 0 59 0 59 0 59 Draft 12 cpi D 2250 Color 2 2 0 79 0 79 0 70 0 70 0 70 1440 21 1286 High speed draft 17 cpi F BW 2 2 0 70 0 59 0 59 0 59 0 59 72 1350 Bit image 72 dpi E 1800 Color 2 2 0 79 0 79 0 70 0 70 0 70 80 1200 Bit image 80 dpi G x BW 1 2 0 65 0 65 0 59 0 59 0 59 9...

Page 48: ...shifts the color ribbon up and down to change the color area of the ribbon to be used for printing Color ribbon mechanism consists of the color shift CS motor CS cam ribbon detector CS lever assembly and color cartridge holder Color ribbon is installed on the color cartridge holder When CS motor runs 1 the pinion revolves CS cam 2 the CS lever assembly on the CS cam shifts the color cartridge hold...

Page 49: ...different colors printing in green violet or orange is performed in the following order Color ribbon drive circuit CS lever assembly Ribbon detector CS cam CS motor CS lever assembly Color ribbon Color cartridge holder CS motor pinion CS cam Black Cyan Magenta Yellow Table 2 8 Ribbon Detector Specifications Item Specification Method Mechanical contact method Switching rate 0 6 to 1 0 mA Switching ...

Page 50: ...ustment Mechanism Carriage Mounts the printhead Carriage guide shaft Shifts the carriage horizontally Adjust lever and Parallelism adjust bushing Installed at both ends of the carriage guide shaft Platen gap detector PG_SW Carriage guide shaft is eccentric toward the adjust lever rotating center Due to this when rotating the adjustment lever back and forth the printhead shifts toward and against t...

Page 51: ...ush tractor Rear paper load top paper load Pull tractor Rear Bottom paper load top paper load Auto loading When loading paper manually push paper between the platen and the driven paper load roller Paper will be loaded automatically PF MOTOR LX 300 II 1170II uses a stepping motor for PF motor Open loop control switches the phases according to the setting period and this mechanism loads and carries...

Page 52: ... when CSF is used page length measurement calculates the printable lines and if the paper is longer than the printable lines the number of printing lines is defined by the number of the printable lines fixed value When paper is shorter than the printable lines the printer prints the fixed number of lines by forms over ride function which allows the fixed number of lines to be printed even when RPE...

Page 53: ...e release detector specifications 2 2 7 Other Special Functions 2 2 7 1 Energy saving mode This function saves power consumption when the printer is in the standby mode This mode turns hold current of PF motor CR motor and CS motor OFF 2 2 7 2 Quiet Mode Quiet mode lowers printing temperature When this mode is selected carriage speed will be lowered to the power down mode speed Refer to Table 2 5 ...

Page 54: ...sion D Operating Principles Electrical Circuit Operating Principles 54 2 3 Electrical Circuit Operating Principles 2 3 1 MAIN Board Electric Circuit Figure 2 7 C640 C641 MAIN Board Block Diagram NOTE CS motor is only available for LX 300 II ...

Page 55: ...3208 CPU QFP 128 pin Outside clock 19 66 MHz Inside clock 39 32 MHz 8KBRAM built in Various DMA A D converter Approximately 21000 gates QFP 160 pin Bit manipulation Clock control interface control IEEE1284 Type B I F Input Buffer control Motor control Head control PROM IC7 4M 8Mbit DIP 40 42 pin Stores firmware CG DRAM IC8 1 2 4M bit switching method SPJ package 40 pin Various buffer work area EEP...

Page 56: ...C H A P T E R 3 TROUBLESHOOTING ...

Page 57: ...edure W A R N I N G Never touch printhead and any motors right after printing since they are highly heated When disassembling the printer be sure to disconnect the power cable and remove the interface cable C A U T I O N Be sure to use specified tools for servicing to maintain the quality Make sure to apply specified oil grease and glue Perform adjustment as specified Troubleshooting Initializatio...

Page 58: ...s reset to the factory default setting Refer to Chapter 1 3 2 2 Check Performance By Self Check Function LX 300 II has self check function which supervises the printer condition constantly If any problem occurs it indicates an error occurrence by indicator LED and in some cases it notifies the operator of the error occurrence by beeping the buzzer Identify the error cause referring to the indicati...

Page 59: ...cement should be performed Find your symptom in the table below and check the corresponding table Table 3 2 Symptoms and Solutions Symptom Problems Check Table When power is applied the printer does not operate Control panel LED does not operate at all Table 3 3 on page 60 Printer mechanism does not operate at all Table 3 4 on page 60 When power is applied the printer becomes fatal error Control p...

Page 60: ... properly Are all connectors connected properly NO Connect them properly Main board is defective Replace the main board Printer mechanism is defective Replace the printer mechanism Table 3 5 When Power is Applied the Printer Becomes Fatal Error Cause Check Point Y N Solution Carriage home position error CR Error 30H Are CR motor timing belt and CR home position sensor normal YES Replace the power ...

Page 61: ... Table 3 7 Paper Feed is Abnormal Cause Check Point Y N Solution RPE detector or BPE detector is defective or not connected properly Check the sensors Is there any abnormality NO Replace the sensor YES Check the connection to the main board Paper switching mechanism is defective Switch the release lever Is the paper loading direction switched NO Replace the printer mechanism or check the connectio...

Page 62: ...eck Point Y N Solution External noise Is there another electrical apparatus such as a generator radio transmitter or an apparatusincorporating a motor within 3 m from the printer YES Turn off the power to the electrical apparatus or move the printer to a position at least 6m distant from the apparatus AC cable is not connected properly Is the AC power cable connected and ground properly NO Connect...

Page 63: ...inthead 1 Set the multimeter to the resistance measuring range 2 Connect the one side of the probe to C 3 Connect the other side of the probe to corresponding head pin No 33 3 3 3Ω at 25 C phase Looked From Point A Table 3 12 Motor Check Item Operation Specification CR motor 1 Set the multimeter to the resistance measuring range 2 Connect the one side of the probe to pin 1 or 2 3 Connect the other...

Page 64: ...lease detector 1 Set the multimeter to the resistance measuring range 2 Connect the one side of the probe to pin 1 of CN5 3 Connect the other side of the probe to pin 2 of CN5 When switching the sensor actuator it should be switched ON OFF BPE detector 1 Set the multimeter to the resistance measuring range 2 Connect the one side of the probe to pin 1 of CN6 3 Connect the other side of the probe to...

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

Page 66: ...this manual Always wear gloves for disassembly and reassembly to avoid injury from sharp metal edges To protect sensitive microprocessors and circuitry use static discharge equipment such as anti static wrist straps when accessing internal components C A U T I O N Use only recommended tools for disassembling assembling or adjusting the printer Observe the specified torque when tightening screws Ap...

Page 67: ...I Revision D Disassembly and Assembly Overview 67 Table 4 3 List of Screws Screw Name Screw Name C B P Tite 3x10 F ZN C P Screw 3x4 F ZN C P B Screw 3x14 F ZN C B O Screw 4x8 F ZN C B S Screw 3x4 F Zn Jack Socket C B B W 13 3x14 F ZN ...

Page 68: ...anism is not oily OK NG Is the PF motor assembly at the correct temperature Not overheating OK NG Paper path Are all the types of paper fed smoothly OK NG Does the tractor feed paper smoothly OK NG Is the paper path clear of obstructions OK NG Is the platen free of damage OK NG Ribbon mask Is the ribbon mask free of distortion OK NG Test printing Is the test printing successful OK NG Online printi...

Page 69: ...sembly is described under Adjustment When you have to remove parts that are not described in this chapter refer to the exploded diagram on Appendix of this manual The figure below is the disassembly flowchart for main component Flowchart 4 1 Disassembly Flowchart Main Component C A U T I O N Read 4 1 1 Precautions before start disassembling the printer Remove ink ribbon and paper before disassembl...

Page 70: ... the carriage assembly 3 Lift the printhead a little bit Unlatch 2 hooks securing the printhead FFC to carriage unit 4 Remove FFC from the printhead Figure4 1 Printhead Removal C A U T I O N Check if the printer is powered off before removing the printhead A D J U S T M E N T R E Q U I R E D When the printhead unit is removed or replaced perform the platen gap adjustment and Bi D adjustment Carria...

Page 71: ...I only 2 Set the release lever to the tractor feed 3 Remove 4 screws for LX 300 II and 6 screws for LX 1170II CBP Tite 3x10 F Zn Torque 0 78 0 98 securing the upper housing to the lower housing 4 Remove the upper housing Figure4 2 Upper Housing Removal Upper Housing CPB 3x10 C B P Tite 3x10 F ZN C H E C K P O I N T When installing the upper housing be sure to insert LEDs on the panel board into th...

Page 72: ...C B S Screw 3x4 F Zn Torque 0 78 0 98 N M securing the upper shield plate to the lower housing 3 Remove the shield cover Figure4 3 Upper Shield Plate LX 300 II 4 LX 300 II Remove 2 screws with washers C B B W 13 3x14 F ZN securing the printer mechanism to the lower housing See Figure 4 3 on page 72 LX 1170II Remove 4 screws with washers C B B W 13 3x14 F ZN securing the printer mechanism to the lo...

Page 73: ...l FFC from the connector of the panel board assembly 3 Remove 3 screws C B P Tite 3x10 F ZN Torque 0 78 0 98 N M securing the panel board assembly to the lower housing 4 Remove the panel board assembly from the lower housing Figure4 6 Panel Board Assembly Removal A D J U S T M E N T R E Q U I R E D When the printer mechanism is removed perform the Bi D adjustment When the printer mechanism is repl...

Page 74: ... C P Screw 3x4 F ZN Torque 0 48 0 78 N M securing the parallel interface to the lower shield plate 7 Disconnect the option FFC LX 300 II only and panel FFC from CN12 and CN13 on the board 8 Disconnect the harness connected to the Power Supply Board Assembly from CN8 Press one edge of CN8 in order to remove or install the harness 9 Remove 3 screws C B P Tite 3x10 F ZN securing the main board assemb...

Page 75: ...5 Remove the power cable CN1 connecting to the Power Supply board assembly Remove the power switch from the lower housing 6 Disconnect the harness connecting the Power Supply board assembly to the main board assembly CN8 of the main board assembly Press one edge of CN8 in order to remove or install the harness 7 Remove 4 screws C B P Tite 3x10 F ZN Torque 0 78 0 98 N M securing the Power Supply bo...

Page 76: ... pulley of the CR motor assembly 4 Rotate the CR motor assembly with the motor bracket clockwise to remove it Figure4 12 CR Motor Assembly Removal START 4 2 7 10 PF Motor Assembly Removal 4 2 7 2 Platen Mechanism Removal 4 2 7 9 Release Lever Position Sensor Removal 4 2 7 1 CR Motor Mechanism Removal 4 2 7 3 Carriage Mechanism Removal 4 2 7 4 Ribbon Feed Mechanism Removal 4 2 7 5 RPE Sensor Remova...

Page 77: ...r from the right frame Figure4 13 Hook at the Combination Gear 17 5 27 4 Rotate right and left bushing 11 and remove them off from the right left frame 5 Remove the platen Figure4 14 Platen Removal To unhook the combination gear 17 5 27 hold it and pull it in the arrow direction Combination gear 17 5 27 Gear 34 A D J U S T M E N T R E Q U I R E D When the platen mechanism is removed or replaced pe...

Page 78: ...ure4 15 Timing Belt Removal 4 Remove the CR shaft grounding plate from the base frame on the left side of the printer Figure4 16 Carriage Unit Removal 5 Rotate the right and left parallelism adjust bushing and remove them from the respective frames 6 Release the PG adjust lever hook connecting to the left frame Carriage Unit Timing Belt Installation Point PG adjust lever CR guide shaft Carriage un...

Page 79: ...ng belt See 4 2 7 1 CR Motor Mechanism Removal 3 Release 3 hooks securing the RD cover to the left frame 4 Remove the RD cover Figure4 18 Ribbon Feed Mechanism Removal A D J U S T M E N T R E Q U I R E D When the carriage mechanism is removed or replaced perform the platen gap adjustment and Bi D adjustment PG Adjust Lever Hook A D J U S T M E N T R E Q U I R E D When the ribbon feed mechanism is ...

Page 80: ...nect the harness from the BPE sensor yellow 4 2 7 7 HP Sensor Removal 1 Remove the printer mechanism See 4 2 3 Printer Mechanism Removal 2 Release 2 hooks of the HP sensor securing it to the base frame with tweezers and remove the sensor 3 Disconnect the harness from the sensor black Figure4 20 HP Sensor Removal A D J U S T M E N T R E Q U I R E D When the RPE sensor is removed or replaced perform...

Page 81: ...e 2 hooks of the release lever position sensor securing it to the right frame with tweezers and remove the sensor 3 Disconnect the harness from the sensor blue Figure4 22 Release Lever Position Sensor Removal A D J U S T M E N T R E Q U I R E D When the PG sensor is removed or replaced perform the platen gap adjustment and Bi D adjustment Left frame PG sensor white Hook C A U T I O N When installi...

Page 82: ... 7 10 PF Motor Assembly Removal 3 Remove the release lever Figure4 24 Release Lever Removal 4 Release the hook of the right frame securing the gear 27 5 and remove the gear plain washer 5 2x0 3x10 and the compression spring 1 18 C H E C K P O I N T When installing the PF motor assembly to the right frame be careful to align the positioning pins with the respective positioning holes in the motor br...

Page 83: ...Remove the PG sensor See 4 2 7 8 PG Sensor Removal 6 Remove the PF motor assembly and release lever See 4 2 7 10 PF Motor Assembly Removal 7 Release 1 hook securing the paper guide to the bottom of the paper guide to the lower paper guide pull the paper guide to the rear and remove it Figure4 26 Lower Paper Guide Removal A D J U S T M E N T R E Q U I R E D When the paper feed mechanism is removed ...

Page 84: ...moval 9 Release 1 hook securing the paper guide to the lower paper guide and remove the paper guide along with the release shaft by pulling it to the left Figure4 28 Lower Paper Guide Hook at the left frame Base frame Hook at the paper guide A D J U S T M E N T R E Q U I R E D When the paper guide is removed or replaced perform the platen gap adjustment Bi D adjustment top margin adjustment and bo...

Page 85: ...C H A P T E R 5 ADJUSTMENT ...

Page 86: ... the Adjustment Tool for SIDM and you will see the following screen Figure 5 1 Adjustment Tool for SIDM Select a printer port and customer from the pull down menu and then you can select either one of the two modes Sequential adjustment mode and Particular adjustment mode Sequential adjustment mode This mode is specifically designed to assist repair service technician to perform all necessary adju...

Page 87: ...ment mode Check the checkbox for one or more parts that you removed or replaced and click the OK button An adjustment screen will appear as shown below All the necessary adjustments will be shown on the left Figure 5 3 Adjustment screen Follow the instruction shown on the screen to perform the adjustment When you have performed one adjustment a next adjustment screen will appear Perform all the ne...

Page 88: ...ustment mode the following screen will appear Figure 5 4 Particular adjustment mode Select an adjustment or additional function you want to perform and click the OK button An adjustment or additional function screen will appear as shown in the Figure 5 3 Follow the instruction shown on the screen to perform the adjustment or additional function ...

Page 89: ...sm See page 82 Removing or replacing the paper guide See page 83 Follow the steps below to perform the platen gap adjustment 1 Remove the upper housing See page 71 2 Set the PG adjust lever to 0 3 Remove the printhead and remove the ribbon mask 4 Re install the printhead 5 Follow the procedure in the flowchart below for the adjustment Figure 5 5 Platen Gap Adjustment Platen Gap Setting Judging Met...

Page 90: ...D adjustment Figure 5 6 Bi D Adjustment 5 2 3 Top Margin Adjustment Perform the top margin adjustment when you have performed any of the following Replacing the printer mechanism See page 72 Replacing the main board assembly See page 74 Removing or replacing the RPE sensor See page 80 Removing or replacing the BPE sensor See page 80 Removing or replacing the PF motor assembly See page 82 Removing ...

Page 91: ...ving or replacing the paper feed mechanism See page 82 Removing or replacing the paper guide See page 83 Follow the steps below to perform the bottom margin adjustment 1 Execute Pattern Test 2 Check the print result and take action according to the bottom margin value 3 Input the bottom margin value and click Read An adjustment value 0 75 mm will be displayed Click Input to save the adjustment val...

Page 92: ...C H A P T E R 6 MAINTENANCE ...

Page 93: ...he specified oil When using compressed air products such as air duster for cleaning during repair and maintenance the use of such products containing flammable gas is prohibited Table 6 1 Lubricants Type Name Quantity Availability Part No Grease G 26 40g EPSON B702600001 Oil O 2 40cc EPSON B710200001 Table 6 2 Lubrication Points Fig Lubrication Points Lubricant Quantity 6 1 3 shafts and 1 boss of ...

Page 94: ...ce Lubricate G 26 on the shaft of the RD ratchet G 26 1 grain of rice Planetary lever assy Combination Gear 5 1 16 2 Spur Gear 13 2 RD ratchet Driven pulley assy Lubrication Points Spur Gear 13 2 RD ratchet shaft Lubricate G 26 on teeth of gears G 26 1 2 grain of rice Lubricate G 26 at 3 places on 3 shafts at the right frame Shafts at the right frame assembly G 26 1 grain of rice Lubricate G 26 at...

Page 95: ...paper guide assembly upside down and lubricate at the touching part of the PF roller assembly with the release shaft 4 places Paper guide assembly G 26 1 grain of rice Release shaft Paper guide assy Lubricate G 26 into the hole of the right TR tractor frame facing to the TR guide shaft and the left TR frame Tractor assembly G 26 1 2 grain of rice The picture at the left is the back of the printhea...

Page 96: ...f the frame Carriage G 26 40 mm x 2 places Lubricate G 26 on the 2 touching positions with CR motor assembly from the inside of the base frame CR motor assembly G 26 1 2 grain of rice x 2 Lubricate G 26 on the installing shaft of the Combination Gear 17 5 27 of the right frame Combination gear 17 5 27 G 26 1 2 grain of rice Lubricate G 26 to the touching position of the platen grounding spring wit...

Page 97: ...C H A P T E R 7 LX 300 IIRTP ...

Page 98: ...n should pay attention to is described under Check Point Any adjustment required after assembly is described under Adjustment When you have to remove parts that are not described in this chapter refer to the exploded diagram on Appendix of this manual The figure below is the disassembly flowchart for main component Flowchart 7 1 Disassembly Flowchart Main Component C A U T I O N Remove ink ribbon ...

Page 99: ...2 Lift the printhead a little bit Unlatch 2 hooks securing the printhead FFC to carriage unit 3 Remove FFC from the printhead Figure7 1 Printhead Removal C A U T I O N Check if the printer is powered off before removing the printhead A D J U S T M E N T R E Q U I R E D When the printhead unit is removed or replaced perform the platen gap adjustment and Bi D adjustment Carriage Assembly Printhead C...

Page 100: ...pper housing 5 Disconnect the lead wire of cover open switch assy from the relay connector and remove the Upper Housing Figure7 2 Upper Housing Removal 1 Figure7 3 Upper Housing Removal 2 C H E C K P O I N T When installing the upper housing be sure to insert LEDs on the panel board into the LED holes of the upper housing LED Upper Housing Panel Board Assembly C B P Tite 3x10 F ZN Upper Housing CP...

Page 101: ...ers C B B W 13 3x14 F ZN securing the printer mechanism to the lower housing Figure7 4 Shield Cover 5 Lift the printer mechanism a little bit and remove the harnesses from the main board assembly Figure7 5 Harness Removal 6 Remove the printer mechanism Printer Mechanism Shield cover C B P Tite 3x10 F ZN C B B W 13 3x14 F ZN C B S Screw 3x4 F Zn C B B W 13 3x14 F ZN A D J U S T M E N T R E Q U I R ...

Page 102: ...pper Housing Unit Removal 2 Disconnect the panel FFC from the connector of the panel board assembly 3 Remove 3 screws C B P Tite 3x10 F ZN Torque 0 78 0 98 N M securing the panel board assembly to the lower housing 4 Remove the panel board assembly from the lower housing Figure7 6 Panel Board Assembly Removal C B P Tite 3x10 F ZN Panel Board Assembly Panel FFC ...

Page 103: ...d plate 6 Disconnect the panel FFC from CN12 on the board 7 Disconnect the harness connected to the Cover Open Switch Assy from CN6 on the board 8 Disconnect the harness connected to the Power Supply Board Assembly from CN8 Press one edge of CN8 in order to remove or install the harness 9 Remove 3 screws C B P Tite 3x10 F ZN securing the main board assembly to the lower housing Figure7 7 C640MAIN ...

Page 104: ...wer housing 5 Disconnect the harness connecting the Power Supply board assembly to the main board assembly CN8 of the main board assembly Press one edge of CN8 in order to remove or install the harness 6 Remove 4 screws C B P Tite 3x10 F ZN Torque 0 78 0 98 N M securing the Power Supply board assembly to the lower housing 7 Remove the Power Supply board assembly Figure 7 8 Power Supply Board Assem...

Page 105: ... the steps below 1 Hold pressing the two open cover sensors with a clip to set them ON Refer to the figure Figure 7 9 Hold pressing The two open cover sensors 2 Feed the paper as shown in the figure below Be sure the LEDs state is as shown in the figure Figure 7 10 Position of the paper feeding Clip Open cover sensor Tear Off LED right side light on ...

Page 106: ...3 2 1 510 COMBINATIONGEAR 5 1 16 2 2 511 MOTOR ASSY PF 1 512 COVER RD 1 513 RATCHET RD 1 514 DETECTOR LEAF B2 1 515 GROUNDING WIRE PLATEN 1 516 PULLEY ASSY DRIVEN 1 517 HARNESS HP 1 520 PAPER GUIDE 1 521 DETECTOR PE REAR 1 522 HARNESS PE REAR 1 525 HOLDER ROLLER PF 2 526 ROLLER PF DRIVEN 2 527 ROLLER PF DRIVEN REAR C 2 528 COMPRESSION SPRING 13 72 2 529 SHAFT RELEASE 1 530 PAPER GUIDE ASSY 1 531 E...

Page 107: ... 565 SPUR GEAR 27 5 1 566 PLAIN WASHER B100153012 1 567 COMPRESSION SPRING 1 18 1 568 COMBINATION GEAR 8 5 25 2 1 571 COMBINATION GEAR 17 5 27 1 575 GROUNDING WIRE RIGHT 1 576 GROUNDING PLATE PF 1 578 SHEET PROTECT M B 1 579 SHEET CABLE CR 1 590 LEVER RELEASE 1 650 PRINT HEAD D3910 1 1 651 LABEL WARNING 1 653 COVER BOTTOM CR 1 654 TRACTOR ASSY 1 Ref No Part Name Qty ...

Page 108: ...0 II RTP 1170II Revision D LX 300 II RTP Exploded Diagrams 108 7 4 Exploded Diagrams Figure 7 11 LX 300 II RTP Exploded Diagram 1 121 101 120 129 129 100 200 450 300 320 401 Only numbered Service Parts are available 402 ...

Page 109: ...gram 2 Only numbered Service Parts are available 500 654 530 529 522 526 521 520 528 528 526 527 527 525 515 568 559 571 566 567 565 590 564 502 542 578 559 511 576 532 531 534 533 531 506 503 575 538 561 535 504 560 562 563 514 517 559 539 579 536 537 653 540 543 650 651 501 542 532 559 541 509 510 510 513 505 516 512 ...

Page 110: ...APPENDIX ...

Page 111: ... CN3 CN2 USB I F CN17 CN1 CN13 CN4 CN7 CN6 CN5 CN8 CN16 CN12 CN10 CN11 AC IN CN1 CN2 Table A 1 C640 641 MAIN Board Connector Summary Connector Function Pins CN1 Parallel I F 36 CN2 Serial I F 6 CN3 HP Detector 2 CN4 PE Rear Sensor 2 CN5 Release Detector 2 CN6 PE bottom Detector 2 CN7 PG Detector 2 CN8 Power Board C294PSB PSE 9 CN16 Printhead 12 CN10 CR Motor 4 CN11 PF Motor 4 CN12 CS Motor Option ...

Page 112: ...gnments CN8 Pin I O Signal Name Function 1 VH 35 VDC 2 VH 35 VDC 3 GP Signal ground 4 GP Signal ground 5 O PSC Power save control 6 O POFF Power off signal 7 5V 5 VDC 8 5V 5 VDC Table A 8 Connector Pin Assignments CN16 Pin I O Signal Name Function 1 O HD7 Head data 7 2 O HD1 Head data 1 3 O HD5 Head data 5 4 O HD3 Head data 3 5 HDCOM Common VP 6 HDCOM Common VP 7 HDCOM Common VP 8 O HD2 Head data ...

Page 113: ...H 35 VDC 2 CS HOLD 5 VDC 3 5V 5 VDC 4 O CSA CS motor phase A 5 O CSXA CS motor phase XA 6 O CSB CS motor phase B 7 O CSXB CS motor phase XB 8 GP Signal ground 9 I CSSW Color ribbon sensor signal 10 GND Signal ground Table A 12 Connector Pin Assignments CN13 Pin I O Signal Name Function 1 5V 5 VDC 2 O LED5 LED 5 3 O LED4 LED 4 4 O LED3 LED 3 5 O LED2 LED 2 6 O LED1 LED 1 7 I SW1 Switch 1 8 GND Sign...

Page 114: ... length for tractor 1 to 22x432 by 0 0588 mm 1 432 inch 0000H 279 4 mm 11 inches same as default 0000H 0000H 1AH 1BH Page length for CSF 1 to 22x432 by 0 0588 mm 1 432 inch 0000H 558 8 mm 22 inches same as default 0000H 0000H 1CH 1DH Page length for rear manual insertion 1 to 22x432 by 0 0588 mm 1 432 inch 0000H 558 8 mm 22 inches same as default 0000H 0000H 1EH 1FH TOF adjustment value for tracto...

Page 115: ...1 On b2 Buzzer 0 On 1 Off b3 reserved b4 Auto CR IBM 0 Off 1 On b5 reserved b6 reserved b7 reserved 00H 00H Table A 13 EEPROM Address Map continued Address Explanation Setting QPIT Settings Factory Settings 35H I F mode selection 0 Auto I F selection 2 Serial I F 1 Parallel I F 3 USB I F 00H Auto 00H Auto 36H Auto I F wait time setting 10 10 sec 30 30 sec 00 10 sec same as default 00H 10 sec 00H 1...

Page 116: ...H 66H Fatal error Record 2 The same as the above 00H 00H 67H Fatal error Record 3 The same as the above 00H 00H 68H 6AH Sub number for customization 00H to 09H 000000H Standard 000000H Standard 6BH reserved 00H 00H 6CH Market CG 0 Standard version 1 NLSP version 00H 00H Table A 13 EEPROM Address Map continued Address Explanation Setting QPIT Settings Factory Settings 6DH IBM character table 0 Tabl...

Page 117: ...0 LOGO PLATE 123 FERRITE CORE FPC 25 20 124 SHEET PROTECT 125 CONNECTOR LOCK NUT 126 RIVET B TITE SCREW TYPE 3X12 F ZN 3C 127 C B P TITE SCREW 3X10 F ZN 3C 128 C B S TITE SCREW 3X4 F ZN 3C 129 C B B TITE W 13 SCREW 3X14 F ZN 3C 130 C B O SCREW 4X8 F ZG 3C 131 C P SCREW 3X4 F ZN 3C 132 C B S TITE SCREW 3X6 F ZN 3C 180 GUIDE STACKER 200 BOARD ASSY MAIN 300 BOARD ASSY POWER SUPPLY 320 FFC HARNESS 400...

Page 118: ... ASSY 537 GROUNDING PLATE HEAD 538 OIL PAD 539 LEVER G ADJUST 540 RIBBON MASK Table A 14 LX 300 II Parts List Code Part Name 541 TIMING BELT 542 BUSHING PARALLEL ADJUST 543 CABLE HEAD 544 HARNESS PG 545 PAPER GUIDE LOWER 559 DAMPER 560 FRAME BASE 561 PAPER GUIDE SUPPORT 562 GROUNDING PALTE SHAFT CR 563 SHEET CABLE HEAD 564 GEAR 34 565 SPUR GEAR 27 5 566 PLAIN WASHER 567 COMPRESSION SPRING 1 18 568...

Page 119: ...0 HOUSING ASSY LOWER 103 HOUSING UPPER 104 SHIELDPLATE LOWER 105 COVER ASSY PRINTER 106 KNOB 107 COVER ASSY PRINTER REAR 109 SHEET GUIDE ASSY 111 SHIELDPLATE UPPER 116 HEXAGON NUT 117 GROUNDINGPLATE 118 GROUNDING PLATE PANEL 119 C B P TITE SCREW 3X10 F ZN 3C 120 LOGO PLATE 121 GROUNDING PLATE L 122 GROUNDING PLATE R 123 FERRITE CORE FPC 25 20 124 SHEET PROTECT L 125 CONNECTOR LOCK NUT 126 SHEET PR...

Page 120: ... WIRE PLATEN 516 PULLEY ASSY DRIVEN 517 HARNESS HP 518 C P B TITE SCREW 3X14 F ZN 3C 519 ROLLER PAPER EJECT Table A 15 LX 1170II Parts List Code Part Name 520 PAPER GUIDE 521 DETECTOR PE REAR 522 HARNESS PE REAR 523 DETECTOR PE BOTTOM 524 HARNESS PE BOTTOM 525 HOLDER ROLLER PF 526 ROLLER PF DRIVEN 527 ROLLER PF DRIVEN REAR C 528 COMPRESSION SPRING 13 72 529 SHAFT RELEASE 530 PAPER GUIDE ASSY 531 E...

Page 121: ...59 DAMPER 560 FRAME BASE 561 PAPER GUIDE SUPPORT 562 GROUNDING PALTE SHAFT CR 563 SHEET CABLE HEAD 564 GEAR 34 565 SPUR GEAR 27 5 566 PLAIN WASHER 567 COMPRESSION SPRING 1 18 568 COMBINATION GEAR 8 5 25 2 569 HARNESS RELEASE 571 COMBINATION GEAR 17 5 27 Table A 15 LX 1170II Parts List Code Part Name 574 SPUR GEAR 8 590 LEVER RELEASE 592 SHEET CABLE CR 593 SPUR GEAR 17 594 E RING 6 F UC 3C 596 PAPE...

Page 122: ...ed Diagrams Figure A 2 LX 300 II Exploded Diagram 1 570 652 451 127 127 103 120 129 500 129 102 106 100 116 117 117 102 101 320 127 130 400 119 104 125 131 132 132 200 127 127 127 127 127 450 300 320 123 118 127 115 109 111 124 127 180 127 127 127 128 128 401 400 105 107 127 126 for EAI ...

Page 123: ...73 504 560 575 503 561 562 514 517 539 563 536 537 579 506 538 540 578 511 580 568 564 559 515 514 569 567 566 565 590 571 545 576 581 531 534 533 532 531 535 577 523 524 529 520 528 525 526 527 528 526 527 521 522 530 502 542 559 541 512 516 505 510 509 559 514 544 532 513 510 542 501 559 543 650 651 518 581 581 653 654 ...

Page 124: ...24 Figure A 4 LX 1170II Exploded Diagram 1 105 451 103 120 129 129 500 129 129 401 400 400 100 104 122 128 128 111 128 119 119 200 519 547 550 550 549 550 550 119 119 119 119 300 180 126 125 130 119 119 119 119 119 450 121 119 124 118 320 123 116 117 117 106 107 109 596 574 ...

Page 125: ... 508 546 119 523 524 535 543 540 536 517 537 562 514 563 651 651 504 503 531 534 533 532 531 542 502 511 568 564 515 559 514 569 590 571 529 520 521 522 556 594 552 551 553 554 558 557 558 555 593 528 528 528 528 525 525 525 525 526 526 526 526 527 527 527 527 545 565 567 566 560 538 506 561 592 652 539 650 512 516 505 510 509 119 559 518 530 597 ...

Page 126: ...EPSON LX 300 II 300 II RTP 1170II Revision D Appendix Electric Circuit Schematics 126 A 5 Electric Circuit Schematics C640 641MAIN Board C294PNL C294PSB C294PSE ...

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