Technical Brief (Impact Printers)
Page 4
Paper parking Supports loading of Seiko Epson Corporation. 1/00 Other trademarks are available on a printer. Bundled Microsoft Windows® 3.1x, Windows NT 3.51/4.0, Windows 95 and Windows 98 drivers guarantees ease of use right out of an inch, to the tear-off , paper parking, and...to the interface receiving data. Barcode fonts are printed unidirectionally for accuracy L Windows applications will take advantage of all EPSON impact printers Proportionally-spaced scalable fonts-selectable in fonts that allow you save paper and trouble, and precisely line up printing ...
Paper parking Supports loading of Seiko Epson Corporation. 1/00 Other trademarks are available on a printer. Bundled Microsoft Windows® 3.1x, Windows NT 3.51/4.0, Windows 95 and Windows 98 drivers guarantees ease of use right out of an inch, to the tear-off , paper parking, and...to the interface receiving data. Barcode fonts are printed unidirectionally for accuracy L Windows applications will take advantage of all EPSON impact printers Proportionally-spaced scalable fonts-selectable in fonts that allow you save paper and trouble, and precisely line up printing ...
Product Information Guide
Page 6
... the top of each software package. MATRIX PRINTER Installation/Support Tips Short Tear Off To activate the short tear-off line and press the FF button. After sending a form feed, do not send it any Epson 24-pin driver will be compatible. (Preferably, choose the LQ-800/1000.) DIP Switch Settings The... your system must be checked before using the printer. Sheet Loading When loading single sheets, make sure that the paper lever is put back on your software you asks you to set to 61 lines for tractor paper. LQ - 850/950/1050 DOT - This is not listed in place after changing...
... the top of each software package. MATRIX PRINTER Installation/Support Tips Short Tear Off To activate the short tear-off line and press the FF button. After sending a form feed, do not send it any Epson 24-pin driver will be compatible. (Preferably, choose the LQ-800/1000.) DIP Switch Settings The... your system must be checked before using the printer. Sheet Loading When loading single sheets, make sure that the paper lever is put back on your software you asks you to set to 61 lines for tractor paper. LQ - 850/950/1050 DOT - This is not listed in place after changing...
Product Support Bulletin(s)
Page 15
... 7401A 7402A 7403A 7407-A MISC. LQ2 ZYO' KP - PRINTER ACCESSORIES WINDOWS DRIVER SOFTWARE APPLE MAC LQ SOFTWARE LQ PATCH SOFWARE PRINTER STAND DCB-LQ2 El= CPD-552 DCB-LQ2 C842001 LQ1 CPD-552 DCB - STAND PIN MATRIX OPTIONS PSB No: P-0017B Page: 2 of 2 LQ-510 C800061 LQ-850 7311-A LQ-950 LQ-1050 LQ-2550 7313-A 7312-A 7314-A C806121 N/A 7339-A 7346-A 7345...
... 7401A 7402A 7403A 7407-A MISC. LQ2 ZYO' KP - PRINTER ACCESSORIES WINDOWS DRIVER SOFTWARE APPLE MAC LQ SOFTWARE LQ PATCH SOFWARE PRINTER STAND DCB-LQ2 El= CPD-552 DCB-LQ2 C842001 LQ1 CPD-552 DCB - STAND PIN MATRIX OPTIONS PSB No: P-0017B Page: 2 of 2 LQ-510 C800061 LQ-850 7311-A LQ-950 LQ-1050 LQ-2550 7313-A 7312-A 7314-A C806121 N/A 7339-A 7346-A 7345...
Technical Manual
Page 10
...mode is selected, it is compatible with EPSON optional interface board series #81 XX. Exterior Views of 264 CPS. REV.-A 1.1 FEATURES The FX-850 and FX-1 050 are serial dot matrix 9-pin terminal printers that print at a maximum of the FX-850/1050 1-1 The IBM characters are standard. FX...-286e.) q Double-height function q Pitch control is stored in both the Draft and NLQ (Saris-serif) modes. q Printer driver EPSON ESC/P-83 is standard. (This driver is stored in the non-volatile memory and need not be re-registered. Once a character is registered, it is possible ...
...mode is selected, it is compatible with EPSON optional interface board series #81 XX. Exterior Views of 264 CPS. REV.-A 1.1 FEATURES The FX-850 and FX-1 050 are serial dot matrix 9-pin terminal printers that print at a maximum of the FX-850/1050 1-1 The IBM characters are standard. FX...-286e.) q Double-height function q Pitch control is stored in both the Draft and NLQ (Saris-serif) modes. q Printer driver EPSON ESC/P-83 is standard. (This driver is stored in the non-volatile memory and need not be re-registered. Once a character is registered, it is possible ...
Technical Manual
Page 36
... is the main board, and interfaces the printer to the host computer, controls the printer mechanism and control panel, and supplies DC voltage. PEGX Board DIP SW2 DIP SW1 GA(E05A16GA) 1-27 Other main ICS on the PEGX board are also included on this board. Driver circuits for the motors, sensors, and printhead...
... is the main board, and interfaces the printer to the host computer, controls the printer mechanism and control panel, and supplies DC voltage. PEGX Board DIP SW2 DIP SW1 GA(E05A16GA) 1-27 Other main ICS on the PEGX board are also included on this board. Driver circuits for the motors, sensors, and printhead...
Technical Manual
Page 89
... Motor Drive Sequence 2-45 I I I 1 I 1 1 OD OFF "N 1. Because the carriage motor has one driving transistor per winding (unipolar drive), two drivers become active in the 2-2 phase excitation system and one and two drivers become active alternately in the 1-2 phase excitation system. Two drive systems, 2-2 phase and 1-2 phase excitation, are controlled by the carriage...
... Motor Drive Sequence 2-45 I I I 1 I 1 1 OD OFF "N 1. Because the carriage motor has one driving transistor per winding (unipolar drive), two drivers become active in the 2-2 phase excitation system and one and two drivers become active alternately in the 1-2 phase excitation system. Two drive systems, 2-2 phase and 1-2 phase excitation, are controlled by the carriage...
Technical Manual
Page 91
... is performed using a constant current chopper type drive system. The carriage motor has four coils A, B, C, and D, and each phase driver, and is applied to the surge voltage absorber via the flywheel diode attached to D. Chopper control is kept constant. +35VDC Surge Voltoge ....- ,1 . - - '3 - - - 2 - + From E05A15HA A04 Col A B From E05A15HA ~ B04 Vcco ) Phase A Driver Phose B Driver Phase C Driver Phase D Driver -1 r I 1.-------%-LET', I Polof E05A16GA I Vref +5V h From Reference Voltage ( Generotlon Circuit ) Figure 2-38. Carriage Motor Drive Circuit Block Diagram ...
... is performed using a constant current chopper type drive system. The carriage motor has four coils A, B, C, and D, and each phase driver, and is applied to the surge voltage absorber via the flywheel diode attached to D. Chopper control is kept constant. +35VDC Surge Voltoge ....- ,1 . - - '3 - - - 2 - + From E05A15HA A04 Col A B From E05A15HA ~ B04 Vcco ) Phase A Driver Phose B Driver Phase C Driver Phase D Driver -1 r I 1.-------%-LET', I Polof E05A16GA I Vref +5V h From Reference Voltage ( Generotlon Circuit ) Figure 2-38. Carriage Motor Drive Circuit Block Diagram ...
Technical Manual
Page 98
... open-loop constant voltage drive circuit. w ~ C.w Figure 2-45. CPU (4B) PD3 I 1 2 1 3 4 Rotation C.c. The paper feed motor has one driving transistor per winding (unipolar drive), two driver's become active in the paper feed motor phase switching circuit, and output as the phase switching signal to switch the rotational direction, under control of...
... open-loop constant voltage drive circuit. w ~ C.w Figure 2-45. CPU (4B) PD3 I 1 2 1 3 4 Rotation C.c. The paper feed motor has one driving transistor per winding (unipolar drive), two driver's become active in the paper feed motor phase switching circuit, and output as the phase switching signal to switch the rotational direction, under control of...
Technical Manual
Page 106
... Diagram 2-62 I1 J Figure 2-52. t I I I I r I I 1 I I 1 I I I 1 I 8 I I I I I I I I L - - - - - - - - - - - - - - - - - -G-A-(-E-0-5-A-1-5-H-A- )- - - - - - - - - - - I I I 1 1 I I I I Buffer N v I +- ~J Holf dot Protect Ion Circuit 9uffer It A ~Dd III To Prlntheod Driver I1IItI11 iI i- REV.-A & Half-dot Protection Circuit The half-dot protection circuit is located in the gate array (E05AI 5HA). It ignores any drive pulses received after the dot wires of the printhead (see Figure 2-3) have been...
... Diagram 2-62 I1 J Figure 2-52. t I I I I r I I 1 I I 1 I I I 1 I 8 I I I I I I I I L - - - - - - - - - - - - - - - - - -G-A-(-E-0-5-A-1-5-H-A- )- - - - - - - - - - - I I I 1 1 I I I I Buffer N v I +- ~J Holf dot Protect Ion Circuit 9uffer It A ~Dd III To Prlntheod Driver I1IItI11 iI i- REV.-A & Half-dot Protection Circuit The half-dot protection circuit is located in the gate array (E05AI 5HA). It ignores any drive pulses received after the dot wires of the printhead (see Figure 2-3) have been...
Technical Manual
Page 110
... -8 4.2.3 Push Tractor Unit Removal 4. -8 4.2.4 Circuit Board Removal 4-9 4.2.4.1 PEGX Board Removal 4-9 4.2.4.2 PEBFIL-11 Board Removal 4-11 4.2.5 Printer Mechanism Disassembly 4-12 4.2.5.1 Printer Mechanism Removal 4-13 4.2.5.2 Printhead Removal 4-14 4.2.5.3 FPC (Flexible Printed Cable) Removal ......... 4-15 4.2.5.4 Carriage Motor Removal 4-16 4.2.5.5 Timing Belt...23 4.2.5.11 Paper Release Lever Removal 4-24 4.2.5.12 Main and Base Frame Removal 4-25 4.2.5.13 Ribbon Driver Unit Removal 4-28 4.2.5.14 Carriage Removal 4-29 4.2.5.15 Paper Guide Plate Removal 4-31 4.2.5.16 Paper Feed...
... -8 4.2.3 Push Tractor Unit Removal 4. -8 4.2.4 Circuit Board Removal 4-9 4.2.4.1 PEGX Board Removal 4-9 4.2.4.2 PEBFIL-11 Board Removal 4-11 4.2.5 Printer Mechanism Disassembly 4-12 4.2.5.1 Printer Mechanism Removal 4-13 4.2.5.2 Printhead Removal 4-14 4.2.5.3 FPC (Flexible Printed Cable) Removal ......... 4-15 4.2.5.4 Carriage Motor Removal 4-16 4.2.5.5 Timing Belt...23 4.2.5.11 Paper Release Lever Removal 4-24 4.2.5.12 Main and Base Frame Removal 4-25 4.2.5.13 Ribbon Driver Unit Removal 4-28 4.2.5.14 Carriage Removal 4-29 4.2.5.15 Paper Guide Plate Removal 4-31 4.2.5.16 Paper Feed...
Technical Manual
Page 112
... Backlash Adjustment 4.-40 Figure 4-58. Cable Positions on the Base Frame 4-25 Figure 4-35. Side Frame Screws Removal 4-26 Figure 4-36. Printer Mechanism Separation 4-26 Figure 4-37. Paper Holding Roller Lever L Removal 4-34 Figure 4-50. Main Frame Unit 4. .-27 Figure 4-38. Platen... Gap 4-38 Figure 4-57. REV.-A Figure 4-34. Ribbon Driver Unit Removal 4-28 Figure 4-4o. Carriage Removal 4.-29 Figure 4-41. LS and Parallel Adjustment Bush Removal 4-30 Figure 4-43. Paper Guide Plate ...
... Backlash Adjustment 4.-40 Figure 4-58. Cable Positions on the Base Frame 4-25 Figure 4-35. Side Frame Screws Removal 4-26 Figure 4-36. Printer Mechanism Separation 4-26 Figure 4-37. Paper Holding Roller Lever L Removal 4-34 Figure 4-50. Main Frame Unit 4. .-27 Figure 4-38. Platen... Gap 4-38 Figure 4-57. REV.-A Figure 4-34. Ribbon Driver Unit Removal 4-28 Figure 4-4o. Carriage Removal 4.-29 Figure 4-41. LS and Parallel Adjustment Bush Removal 4-30 Figure 4-43. Paper Guide Plate ...
Technical Manual
Page 114
... to be used for replacing any of the main components of the FX-850\l 050. Maintenance Tools Description Philips screw driver #2 Box driver (7 mm across) Thickness gauge (0.50 mm) Round nose pliers Diagonal cutting nipper Tweezers E-ring holder #2.5 E-ring holder... Adhesive tape Capacity 40 cc 40 gr 1000 gr Availability E E E o Part No. B7 10200001 B702700001 B730200200 O: Commercially available product E: EPSON exclusive product 4-1 Table 4-1. Measuring Instruments Specification 20 MHz or more Necessary o o Convenient o Table 4-3. Required and helpful tools, measuring instruments...
... to be used for replacing any of the main components of the FX-850\l 050. Maintenance Tools Description Philips screw driver #2 Box driver (7 mm across) Thickness gauge (0.50 mm) Round nose pliers Diagonal cutting nipper Tweezers E-ring holder #2.5 E-ring holder... Adhesive tape Capacity 40 cc 40 gr 1000 gr Availability E E E o Part No. B7 10200001 B702700001 B730200200 O: Commercially available product E: EPSON exclusive product 4-1 Table 4-1. Measuring Instruments Specification 20 MHz or more Necessary o o Convenient o Table 4-3. Required and helpful tools, measuring instruments...
Technical Manual
Page 140
TADJUSTMENTSREQU'RED The following adjustment is required to the base frame, hook the eight tabs into the holes in the base frame, and pull it forward. Main Frame Unit Paper Feed Roller A..., PaDer Guide Plate Ribbo~ Driver Home Position Senser FPC Figure 4-38. Base Frame Unit ASSEMBLY POINT When fitting the main frame to reassemble the printer mechanism: 4.3.2 Paper Feed Motor Backlash Adjustment 4-27 REV.-A \~ Carriage Timing Belt Figure 4-37.
TADJUSTMENTSREQU'RED The following adjustment is required to the base frame, hook the eight tabs into the holes in the base frame, and pull it forward. Main Frame Unit Paper Feed Roller A..., PaDer Guide Plate Ribbo~ Driver Home Position Senser FPC Figure 4-38. Base Frame Unit ASSEMBLY POINT When fitting the main frame to reassemble the printer mechanism: 4.3.2 Paper Feed Motor Backlash Adjustment 4-27 REV.-A \~ Carriage Timing Belt Figure 4-37.
Technical Manual
Page 141
REV.-A 4.2.5.13 Ribbon Driver Unit Removal g$..!'.:, Step 1: Remove the printer mechanism (Refer to Section 4.2.5.1 2.). Step 2: Separate the main and base frame units (Refer to Section 4.2.5. 1.). Step 3: Press the six tabs for the ribbon driver unit at the bottom of the base frame, and remove it. Tab Tab Figure 4-39. Ribbon Driver Unit Removal .c*- ', 4-28
REV.-A 4.2.5.13 Ribbon Driver Unit Removal g$..!'.:, Step 1: Remove the printer mechanism (Refer to Section 4.2.5.1 2.). Step 2: Separate the main and base frame units (Refer to Section 4.2.5. 1.). Step 3: Press the six tabs for the ribbon driver unit at the bottom of the base frame, and remove it. Tab Tab Figure 4-39. Ribbon Driver Unit Removal .c*- ', 4-28
Technical Manual
Page 150
... the head lock levers while pushing the printhead forward and downwoard. Step 8: Insert the blade of a screw driver (a diameter is performed during maintenance or repaires of the parts described in this printer. Step 7: Turn the larger countersink of carriage guide shaft B (See Figure 4-55). 4-37 Step 5: ... replacement is approx. 3 mm) into the countersink of carriage guide shaft B upward (See Figure 4-55). Figure 4-53. Step 1: Remove the printer mechanism (Refer to Section 4.2.5. Step 6: Lighty loosen the HNO (4) nut securing the head adjustment lever (See Figure 4-50).
... the head lock levers while pushing the printhead forward and downwoard. Step 8: Insert the blade of a screw driver (a diameter is performed during maintenance or repaires of the parts described in this printer. Step 7: Turn the larger countersink of carriage guide shaft B (See Figure 4-55). 4-37 Step 5: ... replacement is approx. 3 mm) into the countersink of carriage guide shaft B upward (See Figure 4-55). Figure 4-53. Step 1: Remove the printer mechanism (Refer to Section 4.2.5. Step 6: Lighty loosen the HNO (4) nut securing the head adjustment lever (See Figure 4-50).
Technical Manual
Page 185
... (1 A-34 A-i A.1.l CPU LLPD781OHG A. . -2 A.1.2 Gate Array E05A15HA A. -7 A.1.3 Gate Array E05A16GA A. -9 A.1.4 HM27256G-25 EP-ROM A. -1 9 A.1.5 HM6264ALSP-12 CMOS ST-RAM A-21 A.1.6 NJM2355 A. . .-23 A.1.7 STK6722H 4-Phases Stepper Motor Driver A-24 A.2 EXPLODED DIAGRAMS AND SCHEMATICS A-26 LIST OF FIGURES Figure A-1. wPD781 0/781 1 Block Diagram A-3 Figure A-3. GA E05A16GA Pin Diagram A. -1 3 Figure A-9. NJM2355 Internal Circuit Diagram A-23...
... (1 A-34 A-i A.1.l CPU LLPD781OHG A. . -2 A.1.2 Gate Array E05A15HA A. -7 A.1.3 Gate Array E05A16GA A. -9 A.1.4 HM27256G-25 EP-ROM A. -1 9 A.1.5 HM6264ALSP-12 CMOS ST-RAM A-21 A.1.6 NJM2355 A. . .-23 A.1.7 STK6722H 4-Phases Stepper Motor Driver A-24 A.2 EXPLODED DIAGRAMS AND SCHEMATICS A-26 LIST OF FIGURES Figure A-1. wPD781 0/781 1 Block Diagram A-3 Figure A-3. GA E05A16GA Pin Diagram A. -1 3 Figure A-9. NJM2355 Internal Circuit Diagram A-23...
Technical Manual
Page 192
... interpreted during TI to the address bus (AB7-0), the ~ and WR signals in the multiplex mode; Since the memory addressed is enabled after disengaging the driver (AD7-0), ~ is output at AD7-O at T4. OP Code Fetch Timing T1 T2 T3 CLOCK ~ AB15 -8 (PF7 -0) AD7 -o (PD7 -O) x ADDRESS x x A D D R E S S }- --< READ DATA >--- Memory Read Timing...
... interpreted during TI to the address bus (AB7-0), the ~ and WR signals in the multiplex mode; Since the memory addressed is enabled after disengaging the driver (AD7-0), ~ is output at AD7-O at T4. OP Code Fetch Timing T1 T2 T3 CLOCK ~ AB15 -8 (PF7 -0) AD7 -o (PD7 -O) x ADDRESS x x A D D R E S S }- --< READ DATA >--- Memory Read Timing...
Technical Manual
Page 210
REV.-A A.1.7 STK6722H 4-Phases Stepper Motor Driver ./T% The STK6722H is an uni-polar constant current chopper driver IC for the four phases stepper motor. d -- - mm f. ... . . II I I * 07 DO ~------ --= ------- 1; 1, n: t "4 ; 8: 1------- _l L------ - -~ .Jw_- ,, ~, ,, ,/ , L ----- D1O - 011 *I7 082 *I Figure A-1 6. STK6722H Internal Circuit A-24 I I nls 1 4~ :cQJ II- STK6722H Pin Diagram I* , Q,> 9Z t4 Is m I I 1 2 3456 18 Figure A-1 5.
REV.-A A.1.7 STK6722H 4-Phases Stepper Motor Driver ./T% The STK6722H is an uni-polar constant current chopper driver IC for the four phases stepper motor. d -- - mm f. ... . . II I I * 07 DO ~------ --= ------- 1; 1, n: t "4 ; 8: 1------- _l L------ - -~ .Jw_- ,, ~, ,, ,/ , L ----- D1O - 011 *I7 082 *I Figure A-1 6. STK6722H Internal Circuit A-24 I I nls 1 4~ :cQJ II- STK6722H Pin Diagram I* , Q,> 9Z t4 Is m I I 1 2 3456 18 Figure A-1 5.