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LQ-2080

Revision A

Appendix

Connector Summary

Table 7-7. EEPROM Address Map (7/7)

*a) These data are fixed by each printer hardware in the factory. They

should not be changed afterwards.

7.2 Connector Summary

The information in this section is common to the LQ-2070 Service
Manual except for the point below:

Point: Figure A-1 (LQ-2070 Service Manual)

Address

Data

Data Format

Q-pit

data

Factory

setting

Area 2

68H

Market

0: Standard version

1: NLSP version

00H

69H

IBM character table

0: Table2

1: Table1

00H

70H

(reserved)

00H

71H

Check sum of Area 2

00H

Area 3

72H

Vp adjustment value

80H

*a)

73H

Vp adjustment value
(complement of 72H)

7FH

*a)

74H

Bi-d adjustment value for high
speed draft / draft mode

-12 to +12
(by 1/720 inch)

00H

*a)

75H

Bi-d adjustment value for draft
copy mode

-12 to +12
(by 1/720 inch)

00H

*a)

76H

Bi-d adjustment value for LQ
mode

-12 to +12
(by 1/720 inch)

00H

*a)

77H

(reserved)

00H

78H

TPE level

FFH

79H

TPE adjustment position

-10 to +10
(by 1/180 inch)

00H

7AH to

7FH

(reserved)

00H

<LQ-2070>

<LQ-2080>

C186 Main Board

→

C273 Main Board

Содержание 2080 - LQ B/W Dot-matrix Printer

Страница 1: ...EPSONLQ 2080 Impact Serial Dot Matrix Printer SEDM98002 ...

Страница 2: ...e contents of this manual However should any errors be detected SEIKO EPSON would greatly appreciate being informed of them The above not withstanding SEIKO EPSON CORPORATION can assume no responsibility for any errors in this manual or the consequences thereof EPSON is a registered trademark of SEIKO EPSON CORPORATION General Notice Other product names used herein are for identification purpose o...

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

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

Страница 5: ...Revision Status Revision Issued Date Description A March 08 1999 First release ...

Страница 6: ...iples Printer Mechanism Operations 22 Power Supply Operation 22 Control Circuit 23 Overview of Control Circuit Operation 23 System Reset Circuit 25 Printhead Driver Circuit 26 CR Motor Driver Circuit 27 PF Motor Driver Circuit 29 EEPROM Control Circuit 29 Sensor Circuits 30 Disassembly and Assembly Adjustment Overview 34 Pre operation for the Adjustment Program 34 Bi D Adjustment 36 TPE Level Rese...

Страница 7: ... PRODUCTDESCRIPTION ...

Страница 8: ...ff Bin LF FF Load Eject Micro Adjust Self Test Data Dump and the Default Setting Mean print volume between failure MTBF 25 duty cycle 1 1 2 Accessories Table 1 1 Items Included with the Printer Table 1 2 Consumables and Optional Units Enclosed Items Quantity User s manual 1 Driver diskette 1 Ribbon cartridge 1 Power supply cable 230 V Version 1 Unit Description 1 1 The number represented by an ast...

Страница 9: ...r limit the printer stops printing When the head temperature falls to the normal level the printer start printing again more slowly than before 1 2 3 Paper Handling Friction feed front rear Push tractor feed front lever Push Pull tractor feed front rear Pull tractor feed front rear bottom Feed speed Normal mode 1 6 inch feed 45 msec Continuous feed 0 127 MPS m second 5 0 IPS inchs second Copy mode...

Страница 10: ...sh Pull tractor feed front Continuous paper Single sheet Multi part Continuous paper with labels Rear tractor Push tractor feed rear Continuous paper Single sheet Multi part Push Pull tractor feed rear Continuous paper Single sheet Multi part Full release Pull tractor feed front Continuous paper Single sheet Multi part Continuous paper with labels Pull tractor feed rear Continuous paper Single she...

Страница 11: ...V version Rated current 0 5 A max 1 6 A Power consumption Approximately 37 W ISO IEC10561 Letter pattern Energy Star Compliant 1 2 7 Environtal Conditions See the LQ 2070 Service Manual 1 2 8 Reliability MVBF 19 million lines except printhead MTBF 10000 POH Printhead life 200 million strokes wire Mean print volume between failure Front Entry Rear Entry Width Minimum 3 9 inch 100 mm Minimum 3 9 inc...

Страница 12: ...30 V version Low voltage directive 73 23 EEC EN60950 EMC Directive 89 336 EEC EN55022 class B EN61000 3 2 EN61000 3 3 EN50082 1 IEC801 2 IEC801 3 IEC801 4 Acoustic noise Approximately 50 db A ISO 7779 pattern 1 2 11 Physical Specifications Without options Dimensions 639 mm W x 402 mm D x 268 mm H Weight Approximately 13 kg Including CSF bin 1 Dimensions 639 mm W x 469 mm D x 380 mm H Weight Approx...

Страница 13: ...ic PC865 Nordic PC APTEC Arabic PC708 Arabic PC720 Arabic PCAR864 Arabic PC863 Canadian French Abicomp BRASCII Roman 8 ISO Latin 1 Hebrew7 Hebrew8 PC862 Hebrew PC 858 lSO 8859 15 Not displayed in the Default setting mode International character set 14 countries and legal U S A France Germany U K Denmark 1 Sweden Italy Spain 1 Japan Norway Denmark 2 Spain 2 Latin America Korea Legal The internation...

Страница 14: ...bicomp 1 lSOLatin1 ISO 8859 15 PC 437 US Standard Europe 1 PC 860 Portuguese 1 PC863 Canadian French 1 BRASCIl 1 Roman8 PC 858 PC 864 Arabic EPSON Draft EPSON Roman Not supported PC437Greek PC 853 Turkish PC 857 Turkish PC 869 Greek Code MJK CSFR lSO Latin 1T Turkish PC774 LST 1283 1993 1SO 8859 2 PC 866 UKR Ukraina PC 852 East Europe PC 855 Cyrillic PC 866 Russian MAZOWIA Poland lSO 8859 7 Latin ...

Страница 15: ... Interface Reverse Channel Transmission mode 8 bit parallel IEEE 1284 nibble mode Synchronization Refer to the IEEE 1284 specification Handshaking Refer to the IEEE 1284 specification Signal level IEEE 1284 level 1 device Data transmission timing Refer to the IEEE 1284 specification Device ID Pin assignment The pin assignment reverse channel is the same as for the LQ 2070 except for the functions ...

Страница 16: ...tment 8 The others Not available Item Setting Value 1 1 Setings with bold weight meas the standard factory settings Page length for front tractor 3 inch 3 5 inch 4 inch 5 5 inch 6 inch 7 inch 8 inch 8 5 inch 11 inch 70 6 inch 12 inch 14 inch 17 inch Page length for rear tractor Skip over perforation On Off Auto tear off On Off Auto line feed On Off Print direction Auto Bi d Uni d I F mode Auto Par...

Страница 17: ...s approx 100 ms Beeper sounds approx 500 ms and interval is approx 100 ms 1 4 1 Errors Paper out When printer fails to feed a sheet it goes paper out error Release lever error When release lever position is wrong it goes release lever error Fatal error Carriage control error and Power supply voltage error Pause Paper Out Tear Off Bin Condensed Font Pause On Paper out error On On Paper eject warnin...

Страница 18: ...anual insertion 8 5 mm 12 Bottom margin rear tractor 11 inch 13 Bottom margin front tractor 11 inch 14 Font selection Roman 15 Condensed Off 16 Print direction setting Bi D 17 I F mode selection Auto 18 Auto I F wait time setting 10 sec 19 Auto line feed Off 20 Auto tear off Off No Item Factory setting 21 Skip over perforation Off 22 High speed draft On 23 Input buffer On 24 Software ESC P2 25 0 s...

Страница 19: ... 5 Main Components The main components for the LQ 2080 are as follows They are designed for easy disassembly and repair work C273 Main Board C166 PSB PSE Board C165 PNL Board Printer Mechanism Housing upper and lower cases Figure 1 1 Main Components for LQ 2080 ...

Страница 20: ...bit TDD27 32 M bit M320A19 A Program ROM and CG ROM are completely independent Korea 4 M bit TDD30 8 M bit M80C00 A Program ROM and CG ROM are completely independent China 4 M bit TDD29 16 M bit M160B11 A Program ROM and CG ROM are completely independent H e a d D r i v e T R A N S I S T O R C N 2 I C 1 C P U T M P 9 6 C 1 4 1 I C 3 G A T E A R R A Y E 0 5 B 4 2 I C 1 0 P R O M I C 5 E E P R O M I...

Страница 21: ... OPERATINGPRINCIPLES ...

Страница 22: ...LQ 2080 Revision A Operating Principles Printer Mechanism Operations 22 2 1 Printer Mechanism Operations See the LQ 2070 Service Manual 2 2 Power Supply Operation See the LQ 2070 Service Manual ...

Страница 23: ... 4 2 5 C N 9 I C 5 A T 9 3 C 4 5 A d d r e s s I C 1 0 P R O M 1 D a t a 1 R e f e r t o t h e C h a p t e r 1 M a i n C o m p o n e n t T a b l e R e l a t i o n s h i p b e t w e e n t h e P r o g r a m R O M a n d C G 2 C N 1 7 o n t h e m a i n b o a r d i s n o t u s e d b e c a u s e p o w e r f o r d r i v i n g t h e C o o l i n g F a n i s s u p p l i e d f r o m t h e p o w e r s u p p l...

Страница 24: ...eceives data from the host computer and sends it to the input buffer in RAM under interrupt processing control Extends the input data held in the buffer to create image data Loads this image data to the image buffer in RAM Transfers the image data to the printhead driver circuit Gate Array IC 3 Controls the functions below Controls output data from the internal block Memory management Address latc...

Страница 25: ... is canceled when the 5 V line goes up to 4 2 V and then 100 ms passes 2 When the 5 V line goes below 4 2 V a RESET signal is output RESET is canceled when the 5 V line goes back up to 4 2 V and then 100 ms passes Figure 2 3 Reset Circuit Figure 2 4 Reset Signal Output Timing V O U T M R E S V C C G N D 5 V 5 V R 6 3 1 K I C 2 P S T 5 9 2 0 C 3 6 0 1 U I C 4 I C 3 E 0 5 B 2 4 Y A T P M 9 6 C 0 4 1...

Страница 26: ...s the printhead driver pulse width and then transports the data to the gate array via CPU port 15 Based on the monitored voltage the CPU decides the printing interval Port 73 monitors the printhead temperature to protect the printhead If the temperature exceeds 95 C 213 F printing is stopped Figure 2 5 Printhead Drive Circuit G a t e A r r a y C 1 9 Z D 1 3 5 V 7 8 7 9 7 4 7 3 R 1 4 0 R 1 3 9 3 5 ...

Страница 27: ...cribes the motor driver modes The SLA7024M IC11 CR motor driver circuit detects and regulates the amount of current flowing in the carriage motor coil The current flowing through the coil varies depending on the speed of the CR motor The CPU sets the amount of current and signals are sent via ports 32 to port 35 The SLA7024M sets the coil current depending on the CR speed C P U I C 4 P G O 0 P G O...

Страница 28: ... Draft power down 2 Bit image power down LQ Bit image Raster graphics 1 copy 100 2400 1 2 High speed copy power down Draft copy power down Bit image copy power down Bit image copy 3 4 75 1800 1 2 Bit image power down Bit image power down 2 2 3 67 1600 1 2 Bit image copy power down LQ Copy Raster graphics copy 1 2 50 2400 W1 2 Bit image copy power down Bit image copy power down 2 LQ power down Bit ...

Страница 29: ...0 P71 11 P72 and 12 P73 Port 11 is the data output line used to save the information to the EEPROM and port 12 is the data input line used to read the saved data from the EEPROM Port 70 is the chip select line and port 71 is the clock timing line When the PWDN signal power down is detected on port 20 INTO the CPU writes the necessary data to the EEPROM before the 5 V line drops to 4 75 V E 0 5 B 4...

Страница 30: ...head The rear PE sensor detects that paper has been loaded when the photo diode rays are cut off by the sensor plate which is included in the rear PE sensor The PW sensor used for paper width measurement and paper loading positioning detects the paper edge by comparing the measured voltage with standard voltage which was measured during the power on sequence Additionally the 35 V line and head tem...

Страница 31: ... DISASSEMBLYANDASSEMBLY ...

Страница 32: ...LQ 2080 Revision A Disassembly and Assembly 32 See the LQ 2070 Service Manual ...

Страница 33: ... ADJUSTMENT ...

Страница 34: ...gram starts up and the screen below appears Figure 4 1 LQSERIES EXE Initial Screen 6 Move the cursor to LQ 2080 and press the Enter key 7 The following screen appears C A U T I O N Though the conditions for each adjustment are the same as for the LQ 2070 the adjustment program used for the LQ 2080 is different Therefore observe the instructions given in the following sections C A U T I O N Do not ...

Страница 35: ... a i E U L M i d d l e E a s t E U L E U L S t d E U L N o r d i c E F S E I B E I S E D G N L S P E M O C A U T I O N Select No if you have input a wrong model name in the screen shown in Figure 4 1 If you select Got the printer flashes the model name stored in the RAM to the EEPROM once and reads it again E P S O N S I D M P r i n t e r S e r v i c e P r o g r a m b o o t p r o c e s s D o y o u...

Страница 36: ... the next step 5 Examine the patterns for the three modes output in the previous steps and correct the value in the screen shown in Figure 4 5 until the vertical lines for the center value Data 0 in Figure 4 6 are aligned C A U T I O N If the printer is in the emulation mode characters output for the Bi D adjustment will be garbled If so turn ESC P2 on using the EEPROM Initialization mode L Q 2 0 ...

Страница 37: ... When the TPE level is reset FF is written and it approaches 00 as the time goes by If this operation is not performed paper out condition may be detected despite paper is set 1 Perform the pre operation See Section 4 1 1 2 Select TPE Reset in the main menu screen Figure 4 4 and press the Enter key The screen below appears Figure 4 7 Screen TPE Reset 3 Select Yes and press the Enter key FF is writ...

Страница 38: ...tarting year month date and press the Enter key The following screen appears C A U T I O N When using this function the printer must be in the normally operative condition Make sure the printer is free from any error conditions such as paper out fatal error and so on Otherwise the function is not effective L Q 2 0 8 0 S E R V I C E P R O G R A M V e r s i o n 1 1 S e t o r R e p l y S t a r t i n ...

Страница 39: ... 6 digit data Be sure to input it correctly since this program does not perform comparison check with the system timer If you input a wrong data start from the beginning S e t t i n g S t a r t i n g Y e a r M o n t h D a y I n p u t f o r m a t 1 9 9 9 1 1 9 9 0 1 0 1 P l e a s e i n p u t 6 d i g i t s ...

Страница 40: ... TROUBLESHOOTING ...

Страница 41: ...ors See the LQ 2070 Service Manual 5 2 3 Motors See the LQ 2070 Service Manual 5 2 4 The Error codes with Indicators and Buzzer Error codes indicated by the LEDs Table 5 1 Error Code Indicated by the LEDs Buzzer Paper out error Beeper sounds Release lever operation error Beeper sounds Illegal panel operation Beeper sounds The description and shows how the beeper sounds Beeper sounds approx 100 ms ...

Страница 42: ... Board NOTE This information is necessary only for servicers who repair to the component level Servicers who repair to the unit level including all servicers in the U S can ignore this section Table 5 2 Repairing the C272MAIN Board 1 3 LQ 2070 LQ 2080 C186 Main Board C273 Main Board Problem Cause Checkpoint Solution The printer does not operate at all Reset IC2 is defective Check the voltage wavef...

Страница 43: ...s no output signal replace IC4 or replace the main board Problem Cause Checkpoint Solution Paper feed is abnormal IC3 is defective or IC12 is defective Check input signal waveform at pin 8 of IC12 Check output signal waveform at pins 1 2 23 and 24 of IC12 If the input signal is not correct replace IC1 or IC2 or replace the main board If the input signal is correct and the output signal is not corr...

Страница 44: ...pairing the Printer Mechanism 44 5 6 Repairing the Printer Mechanism The information for this section is also the same as for the LQ 2070 except for the point below Point Table 5 8 LQ 2070 Service Manual LQ 2070 LQ 2080 39 3 ohms 29 6 ohms ...

Страница 45: ... MAINTENANCE ...

Страница 46: ...LQ 2080 Revision A Maintenance 46 See the LQ 2070 Service Manual ...

Страница 47: ... APPENDIX ...

Страница 48: ...inch 0000H 11 inch default 0000H 11 inch 0000H 11 inch 08H 09H Page length for CSF bin 1 1 to 22x360 by 1 360 inch 0000H 22 inch default 0000H 22 inch 0000H 22 inch 0AH 0BH Page length for CSF bin 2 1 to 22x360 by 1 360 inch 0000H 22 inch default 0000H 22 inch 0000H 22 inch 0CH 0DH TOF adjustment value for rear tractor 60 to 360 4 2 mm to 8 5 mm 1 inch by 1 360 inch 0000H 8 5 mm 0000H 8 5 mm 0EH 0...

Страница 49: ... 0 Off 1 On b2 Skip over perforation 0 Off 1 On b3 High speed draft 0 On 1 Off b4 Input buffer 0 On 1 Off b5 reserved b6 reserved b7 reserved 00H 00H Address Data Data Format Q pit data Factory setting 23H Software 0 slash Buzzer Roll paper Auto CR A G M b0 Software 0 ESC P2 1 IBM 2391 Plus b1 0 slash 0 Off 1 On b2 Buzzer 0 On 1 Off b3 Roll paper 0 Off 1 On b4 Auto CR IBM 0 Off 1 On b5 A G M IBM 0...

Страница 50: ... 00H 34H 37H Driving Hour 0 0FFFFFFFFH minutes 000000 00H 000000 00H 38H 3BH Driving Line Count 0 0FFFFFFFFH count 000000 00H 000000 00H Address Data Data Format Q pit data Factory setting 3CH Starting Year 0 99 the last two figures of Anno Domini 00H 00H 3DH Starting Month 1 12 00H 00H 3EH Starting Date 1 31 00H 00H 3FH Black paper mode paper width measure b0 black paper mode 0 Off 1 On b1 paper ...

Страница 51: ... version 1 NLSP version 00H 00H 69H IBM character table 0 Table2 1 Table1 00H 00H 70H reserved 00H 00H 71H Check sum of Area 2 00H 00H Area 3 72H Vp adjustment value 80H a 73H Vp adjustment value complement of 72H 7FH a 74H Bi d adjustment value for high speed draft draft mode 12 to 12 by 1 720 inch 00H a 75H Bi d adjustment value for draft copy mode 12 to 12 by 1 720 inch 00H a 76H Bi d adjustmen...

Страница 52: ...LQ 2080 Revision A Appendix Component Layout 52 7 3 Component Layout Figure 7 1 C273 Main Board Component Layout Component Side ...

Страница 53: ...LQ 2080 Revision A Appendix Component Layout 53 Figure 7 2 C273 Main Board Component Layout Soldering Side ...

Страница 54: ...LQ 2080 Revision A Appendix Circuit Diagram 54 7 4 Circuit Diagram See the following page for the circuit diagram for the C273 Main Board ...

Страница 55: ......

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