Epson LQ-570+ Скачать руководство пользователя страница 18 | Manualshive

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background image

REV.-A

1.7.4 Printer

The

printer mechanism was developed specifically for use with

printer. The components

a

motor, carriage mechanism, paper-feed motor, paper-feed mechanism, ribbon-feed mechanism, printhead,

and sensors. This printer mechanism

three ways of paper insertion.

Figure 1-15.

Printer Mechanism

1.7.5 Housing

The

housing consists of the upper, lower, and front cases. The

case houses the

panel board.

The lower case holds the printer mechanism, the main

circuit board, and power supply circuit board.

Figure 1-16. Housing

1-28

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Содержание LQ-570+

Страница 1: ......

Страница 2: ...ble 1 9 Table 1 10 Table 1 12 Table 1 13 Table 1 14 Table 1 15 Table 1 16 Table 1 17 Table 1 18 I I I I LIST OF FIGURES Exterior View of the LQ 570 1 2 Pin Configuration 1 3 LQ 570 Component Layout 1 26 C107 MAIN Board 1 26 C062 PNL Board 1 27 C062 PSB PSE Board 1 27 Model 5J10 Printer Mechanism 1 28 Housing 1 28 LIST OF TABLES Interface Options 1 1 Optional Units 1 2 Specifications for Cut Sheets...

Страница 3: ...handling of cut sheets with the optional cut sheet feeder Continuous Paper Three ways to insert continuous paper front bottom rear path Auto backout auto loading rear insertion Continuous paper can be used without removing CSF Standard tractor unit can be attached in two position pusWpull Cut Sheet Two ways to insert cut sheets front top Auto loading The LQ 570 is equipped with the standard EPSON ...

Страница 4: ...heet feeder 80 column C806381 EAI ver I High capacity cut sheet feeder 80 column C806382 others I High capacity cut sheet feeder 80 column C800191 EAI ver I Tractor unit 80 lumn C800192 others I T r a c t o r unit 80adumn 7753 I Fabric ribbon cartridge 80 column 7768 I Fabric ribbon cattridae 80 column Figure 1 1 Exterior View of the LQ 570 1 2 ...

Страница 5: ...Oms 4 23mm continuous 2 81PS 65 2ms 4 23mm intewal 2 81PS Friition with CSF 2 20mst0 141 mm continmus 66 7rns 4 23mm mntinuous 2 51PS 73 1 ms 4 23mm intewal 2 51PS Tractor 2 Oms O 141 mm continuous normal mode 60 Orns 4 23mm continuous normal mode 2 81PS 65 2ms 4 23mm intetval normal mode 2 81PS 2 5ms O 141 mm copy mode 75 Oma 4 23mm copy mode 2 21PS 80 6ms 4 23mm copy mode 2 21PS NOTE The points ...

Страница 6: ...each Table 1 6 EnveloDes No 6 166 mm x 92 mm No 10 240 mm x 104 mm Not available 0 16 mm to 0 52 mm 0 0063 in to 0 0197 in Differences in thickness within the printing area must be less than 0 25 mm 0 0098 in 12 lb to 24 lb 45 g m 2 to 91 g m 2 Bond paper plain paper airmail NOTES a Printinci on envelopes is available only at normal temperatures and only using top insertion b Keep tie longer side ...

Страница 7: ...1 minute or 1500VAC rrns 1 second between AC line and chassis Environmental Temperature range 5 to 35 degrees C 41 to 95 degrees F operting 30 to 60 degrees C 22 to 140 degrees F in shipment container Humidity 10 to 80 RH operating 5 to 857 RH storage Resistance to shock IG within IMS operating 2G within lms storge Resistance to 0 25 G 55 Hz Msx operating Vibration 0 50 G 55 Hz Msx storge Physical...

Страница 8: ... BRACll Abicomp Available on the European version only available on the other versions only Fonts and pitches Bit map fonts EPSON Roman 10 12 15 proportional EPSON Saris serif 10 12 15 proportional EPSON Courier 10 12 15 EPSON Prestige 10 12 EPSON Script 10 12 EPSON Script C proportional OCR B 10 EPSON Orator 10 EPSON Orator S 10 EPSON Draft 10 12 15 EPSON Roman 8 pt to 32 pt EPSON Saris serif 8 p...

Страница 9: ... matrix See Table 1 10 Character size See Table 1 10 Print Pitch 10 12 15 cpi characters per inch Cps characters per second LQ letter quality Table 1 8 Printing T off I 80 on I 137 off 1120 on I Text Mode m Draft LQ 10 225 75 17 1 192 128 12 269 90 20 225 154 15 337 112 Invalid 1 1o I ...

Страница 10: ... Dual density 120 960 11 2 8 Double speed dual density 120 960 22 5 8 Quadrupledensity 240 1920 11 2 8 CRT graphics 80 640 11 2 8 CRT graphics II 90 720 15 0 24 Single density 60 480 22 5 24 Dual density 120 960 11 2 24 CRT graphios II 90 720 15 0 24 Tripledens 180 1440 7 5 24 Hexdensity 360 2880 7 5 dpi dots per inch ips inches per second 1 11 ...

Страница 11: ... 180 Min 18x 22 360 1 0 x 3 1 LQ proportional mndensed 360 180 360 NOTES LQ proportional Max 28X 16 360 1 8 X 2 3 180 super subscript Min 12x 16 360 0 7 X 2 3 LQ pmpottional 360 180 super subscript mndensed 360 HDD is horizontal dot density in dots per inch Face matrii and character size indicate the size of the maximum character This value is dependent on paper ribbon etc Unit ESC sp which also c...

Страница 12: ... lNIT signal Table 1 12 Settinas for DIP Switch 1 EW1 No 1 2 3 4 5 6 7 8 Description International character set and PC table selection Character table selection Graphic print direction Comand Ianguage 1 Inmd buffer l inch skip perforations ON OFF Factory Setting See the table 1 14 ON ON OFF GraDhic I Italic OFF Unidir Bidir OFF IBM ESC P2 OFF OKB 8KB OFF ON OFF OFF NOTE 1 is European version only...

Страница 13: ...mark 1 665 OFF ON OFF Sweden 437Greek B SCll OFF OFF ON Italy 653 Ab komp OFF OFF OFF Spain 1 852 437 1 1 I I I I I When SW 1 4 is ON I I i When SW 1 4 is Off NOTE is not available on the European version P0437 is selected Table 1 15 Page Length 1 1 I 2 1 I 2 2 Page Length m 1 5 2 Jumper Setting Jumper 12 Connect it to the SLIN to use the SELECT IN signal fmm host oomputer 1 19 I ...

Страница 14: ...Character set selection set 2 Setl OFF 1 t I 5 Graphic print direction Unidir Bidir OFF 6 Comand language IBM ESCIP2 OFF 1 i I 7 Input data buffer size oKB 8KB I OFF I 8 I AGM Alternate Grafic Mode I ON I OFF i OFF Table 1 17 Settinas for DIP Switch 2 SW2 No Description ON OFF Factory Setting 1 Page length of continuous from 12 inch 11 inch OFF 2 Auto CR valid invalid OFF 3 Auto tear off ON OFF OF...

Страница 15: ... at first However as the head temperature decreases print speed increases to normal speed automatically If the head temperature continues to increase at the lower speed printing is stopped or resumed as temperature increases or decreases If the voltage supplied to the head drive circuit drops below its minimum limit as a result of heavy duty printing printing is interrupted immediately When the po...

Страница 16: ...NL board the control panel bowd 3 C062 PSWPSE board the power supply board 4 M 5J1O the printer mechanism Figure 1 11 LQ 570 Component Layout 1 7 1 C107 MAIN Board Main Control Circuit Board This consists of a TMP90C041N 6 bit CPU an E05A50 gate array a PROM 512K a mask ROM character generator 2M Head Gate Array an EEPROM a CR Driver a PF Driver and Head Drivers STK6712 C1O E05A50 IC11 CPU TMP90C0...

Страница 17: ...es Figure 1 13 X62 PNL Board 1 7 3 C062 PSB PSE Board Power Supply Circuit Board The power supply unit consists of a switching regulator circuit which mnverts the AC line vottage to the DC voltages for example 35V and 5V used by the printer The C062 PSB board is 120V input type and the C062 PSE board is 220 240V input type Figure 1 14 C062 PSB PSE Board 1 27 ...

Страница 18: ...mechanism ribbon feed mechanism printhead and sensors This printer mechanism ailows three ways of paper insertion Figure 1 15 Modei 6J10 Printer Mechanism 1 7 5 Housing The LQ 570 housing consists of the upper lower and front cases The front case houses the contmi panel board The lower case holds the printer mechanism the main controi circuit board and power supply circuit board v Figure 1 16 Hous...

Страница 19: ... Printhead Drive Circuit 2 19 LIST OF FIGURES Figure 2 1 How the Printhead Works 2 1 Figure 2 17 Control Circuit Blook Diagram 2 13 Figure 2 18 Data Flow 2 14 Figure 2 19 Reset Circuit Blook Diagram 2 15 Figure 2 20 RESET Signal Timing 2 16 Figure 2 21 Figure 2 22 Figure 2 23 Figure 2 24 Table 2 5 Table 2 6 1 Sensor Ci dt Block Diagram 2 16 MOTOR CR Drive Circuit 2 17 MOTOR PF Drive Circuit 2 18 P...

Страница 20: ...etic force This induced force causes the plate to approach the coil md and the associated dot wire is rapidly ejected to impact on the platen The dot wire presses the ink ribbon up against the paper as it hits the platen and in this way prints a dot on the paper As soon as the current through the coil is switched off the force induced in the mil rod stops The plate then returns to its original pos...

Страница 21: ...rray for the head pins drive several sensor circuits and so on Figure 2 17 shows the block diagram of the C107 Main Board C062PNL Board Card Panel I C107MAIN Board 1 GateArray E05A50 Icll PROM P 5s psM M MROM MROM Opdon I F 512K IC14 IC15 IC16 I lfi8 Vref Circuit I i I I I I I a CPU TMP90C041 IC21 1 I L STK 6712 IC1O CR Motor L E05A66 IC2 Prfnthaad STA47SA IWIC9 1 I I F PFMotor 1 v v DETECTOR ASSY...

Страница 22: ...MP90C041 IC2 Date Latch and Delay control Printhrad Figure 2 18 Data Flow Table 2 5 Functions of the Main IC and Circuits Location IC21 Icll Functions Receives data from the host computer and loads the data to the input buffer in RAM under interrupt processing control Expands the input data held in the buffer to create image data Loads this image data to the image buffer in RAM Transfers the image...

Страница 23: ... 3 2 Reset Circuit Figure 2 19 shows the reset circuit block diagram The reset circuit issues the RESET signal Each part of the control cimuits is initialized when this RESET signal is received The renditions when the RESET signal is output are described below When Turning on the Power Supply Immediately after the power has been turned on PST 529 IC19 outputs the PON pulse E05A50 IC1l receives thi...

Страница 24: ...h as the CRHOME signal pass through the each low path filters before reaching the CPU Terminals P50 to P55 on the CPU are used for the ND mnvertor The Vref circuit generates the A D mnverior reference voltage Vref Printhead I T M P 2 1 1 I Sensor Circuit 5 4 L t k D LEVER 6 2K I GAP E 1 D 1 n dvk a 1 0 0 2 2 4 3 T LEVER 777 GAP 1 PE 1 PE 2 Vref Circuit CRHOME r Head Drive Voltage 35V monitor Circu...

Страница 25: ...g on the speed of the MOTOR CR The amount of current is set by the CPU via the E05A50 l O port Signals are sent to Vrefl or Vref2 on the STK 67128 The STK 67128 sets the coil current to mnespond to the MOTOR CR speed Ports P60 to P63 on the CPU are used exclusively as phase control potts for the stepping motor IC21 P60 P61 Al P62 BI P63 IAI B1 E05A50 STK 6712 MOTOR CR l s Ad 1 3 I IB4 Current k VR...

Страница 26: ...ff within the PU1501 IC3 acoording to the phase data sent from the CPU When the paper advanoe motor is running the supply voltage to the mil of the MOTOR PF is 35 V When the paper advance motor is not running and is in hold state the supply voltage to the coil is 5 V Switching between these two supply voltages oocursat the CPterminal of the PU1501 IC3 when the switch is turned on or off TMP90C041 ...

Страница 27: ...al In this way Head Gate Array iC2 outputs head drive signals signals HD1 to HD24 that relate to voltage level through the width of the pulses These signals are output to the head for each of the section of print data that were created by subdividing the data three times before sending By sampling the 35 V line voltage and determining the length of the head drive signal it is possible to maintain ...

Страница 28: ...SSY POWER SUPPLY C062 PSWPSE Boami 3 3 3 2 3 3 Removing the BOARD ASSY PANEL C062 PNL Board 3 3 LIST OF FIGURES Figure 3 2 Removing the Printer Cover and the Paper Eject Cover 345 Figure 3 3 Removing the Printhead 3 s Figure 3 6 Removing the Shield Plate 3 7 Figure 3 7 Removing the BOARD ASSY MAIN 3 7 Figure 3 S Removing the BOARD ASSY POWER SUPPLY 3 3 Figure 3 9 Removing the BOARD ASSY PANEL 3 s ...

Страница 29: ...CT COVERASSY EJECT ASSY SHE GUIDE 3 4 Figure 3 2 Removing the FRAME ASSY HEET GUIDE and the COVER ASSY EJECT Release the two levers that hold the printhead to the oarriage and remove the printhead Remove the two FFCS CABLE HEAD FRONT REAR from the printhead prifIthead Figure 3 3 Remove the Printhead 3 5 ...

Страница 30: ...ATE RIGHT C CBB M4X 10 Screw cCB M3X6 Screw lliE 2 MAIN BOARD BOARD ASSY MAIN CBB C M3X 10 Screws Figure 3 6 Removing the Shield Plate MAIN BOARD Remove the CBB M4 X 10 sorew that hold the SHIELD PLATE RIGHT to the BOARD ASSY MAIN Remove the CBB C M4 X 14 screws that hold it to the HOUSING ASSY LOWER Remove the SHIELD PLATE RIGHT Remove the cables from the following connectors on the main board CN...

Страница 31: ...e from the connector CN13 of the BOARD ASSY MAIN Remove the cable for connector CN1 of the BOARD ASSY POWER SUPPLY Remove five CBB C M3 X 10 screws and the CB M3 X 8 screw that hold the BOARD ASSY POWER SUPPLY to the HOUSING ASSY LOWER Remove the BOARD ASSY POWER SUPPLY BOARO ASSY POWER SUPPLY C062 PSB PSE 60sd CBS C M3 X 10 Screws Figure 3 B Removing the BOARD ASSY POWER SUPPLY 3 2 3 3 Removing t...

Страница 32: ... CHAPTER 4 ADJUSTMENTS 4 3 CIRCUIT ADJUSTMENT 4 6 4 3 1 Adjustment Process 4 3 4 i ...

Страница 33: ...nced by adjusting the VR1 R6 R7 TL431 IC1 and VR1 If the circuitry is not properly adjusted the CPU A D converter functions abnormally and causes irregular operation of the printer 4 3 1 Adjustment Process Attach a digital multimeter to the check terminal TP1 Vref voltage on the C107 MAIN board Turn the printer On and adjust the variable resistor VR1 until a reading of 4 741 V is obtained 4 6 ...

Страница 34: ...IN BOARD 5 14 5 5 REPAIR OF THE PRINTER MECHANISM 5 17 LIST OF FIGURES Figure S2 Printhead Resistance 5 s LIST OF TABLES Table 5 2 Error Displays 1 Table 5 3 Symptoms and Referenoe Pages 5 2 Table S5 Repair of the Main Circuit Board 5 14 Table 5 6 Repair of the Printer Meohanism 5 17 ...

Страница 35: ...0 0 0 1 o 3 o 5 o 7 o 9 o 11 o 13 o 15 o 17 o H19 o it21 o 423 H 240 Wire Assignment 86 410 418 122 7 82 83 Coil Resistance 45 5 3 2 fl at 25 C Between each dot wire and common Terminal Assignment J Figure 5 2 Printhead Resistance 5 8 ...

Страница 36: ...fective and describes variius symptoms likely causes and checkpoints Checkpoints refer to proper waveforms resistance values and other values to be checked to evaluate the operation of any component that might be bad Check these values and take the appropriate action Table 5 4 Re air of the Main Circuit Board 5 14 ...

Страница 37: ...Tabla 5 4 Ranair nf the Main Circuit Board Continued 1 5 15 ...

Страница 38: ...easure IC21 The normal voltage IS 4741 V Refer to abnormal the voltage on 43 the 35V hne Icll Is At IC11 check the input signal at pm Replace defective 101 and the output signal at pm 46 IC4D A particular IC4 IC9 Is For example check the output signal at Replace IC4 dot IS not defecttve pm2 and the out put signal at pm3 wtth IC9 being printed IC4 Paper Is not The paper IC3 Is Check the input signa...

Страница 39: ...e carriage does The carriage motor The belt pulley is Check for broken or Replace the belt not operate at rotates but the defective worn pulley pulley power on after carriage does not the carriage has mwe The timing belt is Check that the timing Reinsett the been manually defective belt is correctly timing bett centered prior to inserted into the power on bottom of the carriage Check for a broken ...

Страница 40: ...e second Refer to Section adjusted position and check 4 1 2 Platen Gap the gap between the A stment tip of the printhead and the platen The appropriate value is 0 48 mm Paper feeding is Printing is Foreign substances Petform a visual Remove any abnormal petiormed but the are lodged in the check of the paper foreign paper is not fed or paper path path substances is not fed uniformly The paper feed ...

Страница 41: ...eed the carriage moves whether the planetary mechanism in one direction lever turns in reverse i e it fails to feed and engages the when the cam age gear moves in the other direction Paper becomes Ink stains appear The ribbon mask is Check whether the Reinstall the stained on areas where not mrrectly ribbon mask S in the n bbon mask there is printing positioned correct position The platen gap is S...

Страница 42: ... TABLES Table A 1 Board Corm or Summary Table A 2 CN2 BOARD ASSY MAIN C107 MAIN Table A 3 CN3 BOARD ASSY MAIN C107 MAIN Table A CN4 BOARD ASSY MAIN C107 MAIN Table A 5 CN5 BOARD ASSY MAIN C107 MAIN Table A 6 CN6 BOARD ASSY MAIN C107 MAIN Table A 7 CN7 BOARD ASSY MAIN C107 MAIN Table A 8 CN8 BOARD ASSY MAIN C107 MAIN Table A 9 CN9 BOARD ASSY MAIN C107 MAIN Table A 10 CN1O BOARD ASSY MAIN C107 MAIN ...

Страница 43: ... COGZ PNL I I G A P L E V E R C R H O M E PE 2 PE I CRMOTORPFMOTOR HEAD H E A D I p30ARD I b A A A 4 b 4 t v v 1 v v v r CN3 CN11 ICN121 I CN8 I CN9 I ICN1OI I CN4 I I CN5 w CN6 BOARD ASSY MAIN C107 MAIN BOARD CN1 CN2 A I Optional I n t e r f a c e Card f t P a r a l l e l VF Specific l F HOST CiMPUTER 3 CN7 CN13 BOARD ASSY POWER SUPPLY C062 PSB PSE BOARD t AC IN Figure A 1 Cable Connections A 1 ...

Страница 44: ...2 DC power output 11 BOARD ASSY MAIN CN1 Parallel interface 36 C107 MAIN BOARD CN2 Optional interface card 36 CN3 Control panel 12 CN4 MOTOR CR 5 CN5 MOTOR PF 5 CN6 Printhead 17 CN7 Printhead 15 CN8 DETECTOR ASSY HP 2 CN9 DETECTOR ASSY PE REAR 2 CN1O DETECTOR ASSY PE FRONT 2 CN11 DETECTOR ASSY PIATEN 2 CN12 DETECTOR ASSY RELEASE 2 CN13 DC power input 11 A 2 ...

Страница 45: ...E T o 0 0 0 I I Signel Name PAUSE READY TXS LDLED CKS LDSW RX9 5 GND SHLD POWER1 POWER2 Function Pause switch Fixed GND Transmit signal LED LED data latch Shift clock Load switch data Receive data switch 5 VDC Signal ground Shield ground Power switch Fixed GND Table A4 CN4 BOARD ASSY MAIN C107 MAIN No 1 0 Signal Name Function 1 0 CRA MOTOR CR phase A 2 0 CRB MOTOR CR phase B 3 0 CRC MOTOR CR phase...

Страница 46: ...AIN C107 MAIN No I 1 0 I Signal Name I Function 1 1 I PE2 D CTOR ASSY P5 REAR 2 GND Signal ground Table A 10 CN1O BOARD ASSY MAIN C107 MAIN No I 1 0 1 I 2 Signal Name Function PE1 D13ECTOR ASSY PE FRONT GND Signal ground Table A n CN1l BOARD ASSY MAIN C107 MAIN No 1 0 11 2 Signai Name I Function GAP DETECTOR ASSY PIATEN GND Signal ground Table A 12 CN12 BOARD ASSY MAIN C107 MAIN No 1 0 Signal Name...

Страница 47: ...REV A A 5 CASE OUTLINE DRAWING H II J i 1 434 m m 4 Figura A 17 LQ 570 Case Outline Drawing A 22 ...

Страница 48: ...REV B i I I 00001 00001 I 1 Donut 1 1 I 1 1 o 151 I ml _ m I Figure A 18 LQ 107O Case Outline Drawing A 23 ...

Страница 49: ...EPSON ...

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