Technical Brief (Impact Printers)
Page 4
... Can set a top-of-form setting within 1/180 of built-in fonts: LL Bitmap fonts-available on all EPSON impact printers Proportionally-spaced scalable fonts-selectable in fonts that allow you save paper and trouble, and precisely line up printing on the... 3.1x, Windows NT 3.51/4.0, Windows 95 and Windows 98 drivers guarantees ease of use right out of Seiko Epson Corporation. 1/00 Other trademarks are available on your computer. EPSON Sales Training EPSON is added, EPSON impact printers automatic interface switching feature will automatically switch to add: Interface card ...
... Can set a top-of-form setting within 1/180 of built-in fonts: LL Bitmap fonts-available on all EPSON impact printers Proportionally-spaced scalable fonts-selectable in fonts that allow you save paper and trouble, and precisely line up printing on the... 3.1x, Windows NT 3.51/4.0, Windows 95 and Windows 98 drivers guarantees ease of use right out of Seiko Epson Corporation. 1/00 Other trademarks are available on your computer. EPSON Sales Training EPSON is added, EPSON impact printers automatic interface switching feature will automatically switch to add: Interface card ...
Product Information Guide
Page 6
... unexpected results. If the LQ-850/950/1050 is put back on line, the print position will go right back to lock in the software package, any more data for the platen to the top of printer installed on position. When it any Epson 24-pin driver will be loaded manually or... via the auto load button. Before attempting to load in the paper, wait for a 3-second interval. MATRIX PRINTER Installation/Support Tips Short Tear Off To activate the ...
... unexpected results. If the LQ-850/950/1050 is put back on line, the print position will go right back to lock in the software package, any more data for the platen to the top of printer installed on position. When it any Epson 24-pin driver will be loaded manually or... via the auto load button. Before attempting to load in the paper, wait for a 3-second interval. MATRIX PRINTER Installation/Support Tips Short Tear Off To activate the ...
Product Support Bulletin(s)
Page 15
STAND DCB-LQ2 i?iF1 KP - STAND DCB-LQ2 C842001 LQ1 KP - 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-A 7347-A 7340-A 7348-A N/A 7343-A INTERFACE BOARDS SERIAL - 0K BUFFER - 8K BUFFER...9E-A E-X C1-9E-A z:; TRACTOR UNITS PULL TRACTOR CUT SHEET FEEDERS SINGLE BIN DOUBLE BIN 24 - STAND 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 - iz 8239 zi 8239 C1-9E...
STAND DCB-LQ2 i?iF1 KP - STAND DCB-LQ2 C842001 LQ1 KP - 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-A 7347-A 7340-A 7348-A N/A 7343-A INTERFACE BOARDS SERIAL - 0K BUFFER - 8K BUFFER...9E-A E-X C1-9E-A z:; TRACTOR UNITS PULL TRACTOR CUT SHEET FEEDERS SINGLE BIN DOUBLE BIN 24 - STAND 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 - iz 8239 zi 8239 C1-9E...
Technical Manual
Page 10
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 Either model FX-850 with 80 columns or FX-1 050 with 136 columns can only be selected according to fan...8K-byte input data buffer (Buffering can be disabled.) q Push tractor unit q Printing is standard, these printers are standard. FX-850 Figure 1-1. q Printer driver EPSON ESC/P-83 is standard. (This driver is compatible with EPSON optional interface board series #81 XX. q Compatible with the high class models such as a default character ...
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 Either model FX-850 with 80 columns or FX-1 050 with 136 columns can only be selected according to fan...8K-byte input data buffer (Buffering can be disabled.) q Push tractor unit q Printing is standard, these printers are standard. FX-850 Figure 1-1. q Printer driver EPSON ESC/P-83 is standard. (This driver is compatible with EPSON optional interface board series #81 XX. q Compatible with the high class models such as a default character ...
Technical Manual
Page 36
... are also included on the PEGX board are: Universal IC q STK6722HZ (IC2A Carriage Motor Driver q NJM2355 (lCIA Switching Regulator IC Gate Array q E05A15HA (IC3A Paper Feed and Carriage Motors controller, and Printhead driver q E05A16GA (IC7A Host computer interface Memory IC q EP-ROM (IC4A Program ROM, 256...SW2 DIP SW1 GA(E05A16GA) 1-27 Since the complicated logic circuit section is the main board, and interfaces the printer to the host computer, controls the printer mechanism and control panel, and supplies DC voltage. Other main ICS on this board. REV.-A 1.11.2 PEGX Board...
... are also included on the PEGX board are: Universal IC q STK6722HZ (IC2A Carriage Motor Driver q NJM2355 (lCIA Switching Regulator IC Gate Array q E05A15HA (IC3A Paper Feed and Carriage Motors controller, and Printhead driver q E05A16GA (IC7A Host computer interface Memory IC q EP-ROM (IC4A Program ROM, 256...SW2 DIP SW1 GA(E05A16GA) 1-27 Since the complicated logic circuit section is the main board, and interfaces the printer to the host computer, controls the printer mechanism and control panel, and supplies DC voltage. Other main ICS on this board. REV.-A 1.11.2 PEGX Board...
Technical Manual
Page 89
...). CRD of the carriage motor are used. 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. w ~ C.w (Carriage moves left to right. Carriage Motor Drive Sequence 2-45 I I I 1 I 1 1 OD...
...). CRD of the carriage motor are used. 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. w ~ C.w (Carriage moves left to right. Carriage Motor Drive Sequence 2-45 I I I 1 I 1 1 OD...
Technical Manual
Page 91
... Absorber w ~ .- ,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 2-47... L X diidt) generated from ports CRA to each phase driver, and is absorbed. The carriage motor supply voltages VCAB and VCCD are turned off, the surge voltage (e = - The ...
... Absorber w ~ .- ,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 2-47... L X diidt) generated from ports CRA to each phase driver, and is absorbed. The carriage motor supply voltages VCAB and VCCD are turned off, the surge voltage (e = - The ...
Technical Manual
Page 98
... ~D GA[E05A15HA) 1 ( 3A) 4 Paper Feed Motor Phase Switching - 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...
... ~D GA[E05A15HA) 1 ( 3A) 4 Paper Feed Motor Phase Switching - 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
... 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 driven for the maximum allowable drive time, to prevent the printhead from being damaged. 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 1 I I I I , I From : m; I1 J Figure 2-...
... 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 driven for the maximum allowable drive time, to prevent the printhead from being damaged. 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 1 I I I I , I From : m; I1 J Figure 2-...
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. Ribbon Driver Unit Removal 4-28 Figure 4-4o. Carriage Guide Shafts A and B Removal 4-30 Figure 4-42. Paper Guide Plate and Paper Feed Roller Unit ... 4-33 Figure 4-48. Tractor Assembly (Left) Removal 4-35 Figure 4-51. Ribbon Mask Holder and Ribbon Mask Configuration 4. .-37 Figure 4-54. Printer Mechanism Separation 4-26 Figure 4-37. Base Frame Unit 4. .-27 Figure 4-39. LS and Parallel Adjustment Bush Removal 4-30 Figure 4-43. Bi-...
...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. Ribbon Driver Unit Removal 4-28 Figure 4-4o. Carriage Guide Shafts A and B Removal 4-30 Figure 4-42. Paper Guide Plate and Paper Feed Roller Unit ... 4-33 Figure 4-48. Tractor Assembly (Left) Removal 4-35 Figure 4-51. Ribbon Mask Holder and Ribbon Mask Configuration 4. .-37 Figure 4-54. Printer Mechanism Separation 4-26 Figure 4-37. Base Frame Unit 4. .-27 Figure 4-39. LS and Parallel Adjustment Bush Removal 4-30 Figure 4-43. Bi-...
Technical Manual
Page 114
... E: EPSON exclusive product 4-1 Lubricants and Adhesive Description o-2 G-27 Neji lock #2(G) Adhesive tape Capacity 40 cc 40 gr 1000 gr Availability E E E o Part No. Required and helpful tools, measuring instruments, and lubricants listed in Tables 4-1 through 4-3. Measuring Instruments Specification 20 MHz or more Necessary o o Convenient o Table 4-3. Maintenance Tools Description Philips screw driver #2 Box driver (7 mm...
... E: EPSON exclusive product 4-1 Lubricants and Adhesive Description o-2 G-27 Neji lock #2(G) Adhesive tape Capacity 40 cc 40 gr 1000 gr Availability E E E o Part No. Required and helpful tools, measuring instruments, and lubricants listed in Tables 4-1 through 4-3. Measuring Instruments Specification 20 MHz or more Necessary o o Convenient o Table 4-3. Maintenance Tools Description Philips screw driver #2 Box driver (7 mm...
Technical Manual
Page 140
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 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. REV.-A \~ Carriage Timing Belt Figure 4-37.
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 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. REV.-A \~ Carriage Timing Belt Figure 4-37.
Technical Manual
Page 141
Step 3: Press the six tabs for the ribbon driver unit at the bottom of the base frame, and remove it. Ribbon Driver Unit Removal .c*- ', 4-28 REV.-A 4.2.5.13 Ribbon Driver Unit Removal g$..!'.:, Step 1: Remove the printer mechanism (Refer to Section 4.2.5.1 2.). Step 2: Separate the main and base frame units (Refer to Section 4.2.5. 1.). Tab Tab Figure 4-39.
Step 3: Press the six tabs for the ribbon driver unit at the bottom of the base frame, and remove it. Ribbon Driver Unit Removal .c*- ', 4-28 REV.-A 4.2.5.13 Ribbon Driver Unit Removal g$..!'.:, 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.). Tab Tab Figure 4-39.
Technical Manual
Page 150
...8: Insert the blade of a screw driver (a diameter is approx. 3 mm) into the countersink of carriage guide shaft B upward (See Figure 4-55). When disassembly or replacement is performed during maintenance or repaires of the parts described in this printer. Step 6: Lighty loosen the HNO ... printhead (Refer to Section 4.2.5. Ribbon Mask Holder and Ribbon Mask Configuration Step 4: Reinstall the printhead on the carriage. Step 1: Remove the printer mechanism (Refer to Section 4.2.5.2.). Step 5: Move the carriage to center. Step 3: Remove the ribbon mask. l.). Figure 4-53. NOTE: When...
...8: Insert the blade of a screw driver (a diameter is approx. 3 mm) into the countersink of carriage guide shaft B upward (See Figure 4-55). When disassembly or replacement is performed during maintenance or repaires of the parts described in this printer. Step 6: Lighty loosen the HNO ... printhead (Refer to Section 4.2.5. Ribbon Mask Holder and Ribbon Mask Configuration Step 4: Reinstall the printhead on the carriage. Step 1: Remove the printer mechanism (Refer to Section 4.2.5.2.). Step 5: Move the carriage to center. Step 3: Remove the ribbon mask. l.). Figure 4-53. NOTE: When...
Technical Manual
Page 185
... A-21. 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. Memory Read Timing A-6 Figure A-5. GA E05A15HA Internal Block Diagram A-8 Figure A-8. GA E05A16GA Internal Block Diagram...
... A-21. 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. Memory Read Timing A-6 Figure A-5. GA E05A15HA Internal Block Diagram A-8 Figure A-8. GA E05A16GA Internal Block Diagram...
Technical Manual
Page 192
... AB15 -8 (PF7 -0) AD7 -0 (PD7 -0) x ADDRESS x x x ADDRESS WRITE DATA Figure A-5. The OP code fetch requires four states; Since the memory addressed is enabled after disengaging the driver (AD7-0), ~ is the same as that for CPU timing diagrams. Three oscillations define one state. c Figure A-4. The address and ALE timing is output from T1...
... AB15 -8 (PF7 -0) AD7 -0 (PD7 -0) x ADDRESS x x x ADDRESS WRITE DATA Figure A-5. The OP code fetch requires four states; Since the memory addressed is enabled after disengaging the driver (AD7-0), ~ is the same as that for CPU timing diagrams. Three oscillations define one state. c Figure A-4. The address and ALE timing is output from T1...
Technical Manual
Page 210
D1O - 011 *I7 082 *I nls 1 4~ :cQJ II- mm f. ... . . 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. STK6722H Internal Circuit A-24 STK6722H Pin Diagram I* , Q,> 9Z t4 Is m I I * 07 DO ~------ --= ------- 1; 1, n: t "4 ; 8: 1------- _l L------ - -~ .Jw_- ,, ~, ,, ,/ , L ----- II I I 1 2 3456 18 Figure A-1 5. d -- - I I Figure A-1 6.
D1O - 011 *I7 082 *I nls 1 4~ :cQJ II- mm f. ... . . 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. STK6722H Internal Circuit A-24 STK6722H Pin Diagram I* , Q,> 9Z t4 Is m I I * 07 DO ~------ --= ------- 1; 1, n: t "4 ; 8: 1------- _l L------ - -~ .Jw_- ,, ~, ,, ,/ , L ----- II I I 1 2 3456 18 Figure A-1 5. d -- - I I Figure A-1 6.