Technical Brief (Impact Printers)
Page 4
...EPSON impact printers offer EPSON Type B interface slots that are available on the control panel. EPSON Sales Training EPSON is a registered trademark of Seiko Epson...Flexible interfacing Most EPSON impact printers offer both standard...added, EPSON impact printers automatic ... EPSON SmartPark settings, which make the printers ...EPSON impact printers. DOS applications will take advantage of all EPSON impact printers Proportionally-spaced scalable fonts-selectable in fonts. EPSON impact printers offers these types of built-in 2-point increments, available on EPSON 24-pin impact printers...
...EPSON impact printers offer EPSON Type B interface slots that are available on the control panel. EPSON Sales Training EPSON is a registered trademark of Seiko Epson...Flexible interfacing Most EPSON impact printers offer both standard...added, EPSON impact printers automatic ... EPSON SmartPark settings, which make the printers ...EPSON impact printers. DOS applications will take advantage of all EPSON impact printers Proportionally-spaced scalable fonts-selectable in fonts. EPSON impact printers offers these types of built-in 2-point increments, available on EPSON 24-pin impact printers...
Product Support Bulletin(s)
Page 3
... that order of preference. Q. FX-870 FX-850 EX-800 FX-85 FX-80+ FX-80 Epson Printer Q-pin printer FX-1170 FX- 1050 EX- 1000 FX-185 FX-100+ FX-100 If none of the printer. What interface comes standard with a 32K buffer. 8. Q. If you plan to use the FX-870/1170 to operate with a built-in my software application programs, which printer driver selection should I use the...
... that order of preference. Q. FX-870 FX-850 EX-800 FX-85 FX-80+ FX-80 Epson Printer Q-pin printer FX-1170 FX- 1050 EX- 1000 FX-185 FX-100+ FX-100 If none of the printer. What interface comes standard with a 32K buffer. 8. Q. If you plan to use the FX-870/1170 to operate with a built-in my software application programs, which printer driver selection should I use the...
Service Manual
Page 38
... E05A66YA c80-column model> Figure 1-12. BOARD ASSEMBLY, C094 MAIN (Main Control Circuit B-d 1-29 o 0 T /" ' GATE ARRAY E05A66YA PF MOTOR DRIVER pPA1476H CPU TM P90C041F CENTRONICS l/F CR MOTOR \//r g;!f;24M r~ \ ;--o'"-y qE2pR0M ,0 (0 0ml0 ,PS RAM E I 4;~- 'OM HEAD DRIVE CN2 for...an E2PROM, a PSRAM, a MASK ROM, motor drivers, and head drive transistors. PF MOTOR DRIVER LPAI 476H CPU TM P90C041F CENTRONICS l/F CR MOTOR o ~~~f~4M ~ ~> E2PROM 7 \ n \ Ill \' " q " *PS RAM 1 Cl"lp E ~ o0 Q ~- It consists of the printer. I +7 "MASK I MASK ROM 0: n:...
... E05A66YA c80-column model> Figure 1-12. BOARD ASSEMBLY, C094 MAIN (Main Control Circuit B-d 1-29 o 0 T /" ' GATE ARRAY E05A66YA PF MOTOR DRIVER pPA1476H CPU TM P90C041F CENTRONICS l/F CR MOTOR \//r g;!f;24M r~ \ ;--o'"-y qE2pR0M ,0 (0 0ml0 ,PS RAM E I 4;~- 'OM HEAD DRIVE CN2 for...an E2PROM, a PSRAM, a MASK ROM, motor drivers, and head drive transistors. PF MOTOR DRIVER LPAI 476H CPU TM P90C041F CENTRONICS l/F CR MOTOR o ~~~f~4M ~ ~> E2PROM 7 \ n \ Ill \' " q " *PS RAM 1 Cl"lp E ~ o0 Q ~- It consists of the printer. I +7 "MASK I MASK ROM 0: n:...
Service Manual
Page 110
coil resistance correct (5 ohms +/- 7 '%. problem corrected? at room v Replace the BOARD ASSY,, C094 MAIN. END * END * Note: If any coils in the CR motor are shorted, also test the motor drivers on the BOARD ASSY., C094 MAIN. 5-6 v Refer to Section 5.5, Repairing the Printer Mechanism. REV.-A Flowchart (2) carriage operation abnormal START CN3, 4, 5, 6, 7, 8, 9, and 13 connecting the BOARD ASSY., C094 MAI and the printer mechanism Yes Secure the connectors. problem corrected?
coil resistance correct (5 ohms +/- 7 '%. problem corrected? at room v Replace the BOARD ASSY,, C094 MAIN. END * END * Note: If any coils in the CR motor are shorted, also test the motor drivers on the BOARD ASSY., C094 MAIN. 5-6 v Refer to Section 5.5, Repairing the Printer Mechanism. REV.-A Flowchart (2) carriage operation abnormal START CN3, 4, 5, 6, 7, 8, 9, and 13 connecting the BOARD ASSY., C094 MAI and the printer mechanism Yes Secure the connectors. problem corrected?
Service Manual
Page 112
coil resistance correct (63 ohms +/- 3 at room smoothly when the printer No [ I Yes vEND vEND Note: If any coils in the PF motor are shorted, also test the motor drivers on the BOARD ASSY., C094 MAIN. 5-8 Insert connector CN6 correctly. Repair the BOARD ASSY., C094 MAIN. END * Replace the PF motor. I Refer to Section 5.5, Repairing the Printer Mechanism. REV.-A Flowchart (4) paper feeding abnormal c" (==) Load the paper correctly.
coil resistance correct (63 ohms +/- 3 at room smoothly when the printer No [ I Yes vEND vEND Note: If any coils in the PF motor are shorted, also test the motor drivers on the BOARD ASSY., C094 MAIN. 5-8 Insert connector CN6 correctly. Repair the BOARD ASSY., C094 MAIN. END * Replace the PF motor. I Refer to Section 5.5, Repairing the Printer Mechanism. REV.-A Flowchart (4) paper feeding abnormal c" (==) Load the paper correctly.
Service Manual
Page 123
...are lodged in Chapter 4. Measure the coil resistance of the printhead. Replace the printhead. The platen gap is shorted, also check the drivers on the main board. The resistance should be approximately 63 ohms. Replace the MOTOR ASSY., PF. (If any foreign substances. Foreign...the the printhead and the platen. there is worn. Check if the tip of the dot wire is worn. defective gear. REV.-A Problem Self test printing abnormal. Repairing the Printer Mechanism (Continued) symptom Cause Checkpoint Solution The carriage The common wires Check the common moves,...
...are lodged in Chapter 4. Measure the coil resistance of the printhead. Replace the printhead. The platen gap is shorted, also check the drivers on the main board. The resistance should be approximately 63 ohms. Replace the MOTOR ASSY., PF. (If any foreign substances. Foreign...the the printhead and the platen. there is worn. Check if the tip of the dot wire is worn. defective gear. REV.-A Problem Self test printing abnormal. Repairing the Printer Mechanism (Continued) symptom Cause Checkpoint Solution The carriage The common wires Check the common moves,...