Technical Brief (Impact Printers)
Page 4
... fonts. Bundled Microsoft Windows® 3.1x, Windows NT 3.51/4.0, Windows 95 and Windows 98 drivers guarantees ease of use right out of -form position. Technical Brief-Multimedia projectors Page 4 L LL Functionality-SmartPark™ settings EPSON SmartPark settings, which make the printers compatible with virtually any Windows system environment. After a document is printed, the...
... fonts. Bundled Microsoft Windows® 3.1x, Windows NT 3.51/4.0, Windows 95 and Windows 98 drivers guarantees ease of use right out of -form position. Technical Brief-Multimedia projectors Page 4 L LL Functionality-SmartPark™ settings EPSON SmartPark settings, which make the printers compatible with virtually any Windows system environment. After a document is printed, the...
Product Support Bulletin(s)
Page 3
... I use of an optional interface that order of preference. 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 these printer driver selections are listed below in Centronics compatible parallel interface. 7. The FX-870/1170 printers come standard with FX-870/1170 printers? A. What interface comes standard with a built-in order...
... I use of an optional interface that order of preference. 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 these printer driver selections are listed below in Centronics compatible parallel interface. 7. The FX-870/1170 printers come standard with FX-870/1170 printers? A. What interface comes standard with a built-in order...
Service Manual
Page 38
... controls all the main functions of a TMP90C041F 8-bit CPU, an E05A55YA gate array, an E2PROM, a PSRAM, a MASK ROM, motor drivers, and head drive transistors. HEAD DRIVE GATE ARRAY TRANSISTOR E05A66YA c80-column model> Figure 1-12. I +7 "MASK I BOARD ASSEMBLY, C094...REV.-A Basically, the same board layout is used in both the 136-column model and the 80-column model. It consists of the printer. 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 MASK ROM ...
... controls all the main functions of a TMP90C041F 8-bit CPU, an E05A55YA gate array, an E2PROM, a PSRAM, a MASK ROM, motor drivers, and head drive transistors. HEAD DRIVE GATE ARRAY TRANSISTOR E05A66YA c80-column model> Figure 1-12. I +7 "MASK I BOARD ASSEMBLY, C094...REV.-A Basically, the same board layout is used in both the 136-column model and the 80-column model. It consists of the printer. 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 MASK ROM ...
Service Manual
Page 110
at room v Replace the BOARD ASSY,, C094 MAIN. v Refer to Section 5.5, Repairing the Printer Mechanism. coil resistance correct (5 ohms +/- 7 '%. problem corrected? 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 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?
at room v Replace the BOARD ASSY,, C094 MAIN. v Refer to Section 5.5, Repairing the Printer Mechanism. coil resistance correct (5 ohms +/- 7 '%. problem corrected? 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 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 Repair the BOARD ASSY., C094 MAIN. END * Replace the PF motor. I Refer to Section 5.5, Repairing the Printer Mechanism. Insert connector CN6 correctly. 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 Repair the BOARD ASSY., C094 MAIN. END * Replace the PF motor. I Refer to Section 5.5, Repairing the Printer Mechanism. Insert connector CN6 correctly. REV.-A Flowchart (4) paper feeding abnormal c" (==) Load the paper correctly.
Service Manual
Page 123
... common moves, but does not feed paper properly. The printhead is defective. The printer prints but the self- Check the gears for any coil is shorted, also check the drivers on the main board. The printer does not print a particular dot. Check if the tip of the printhead. The resistance should be approximately 63...
... common moves, but does not feed paper properly. The printhead is defective. The printer prints but the self- Check the gears for any coil is shorted, also check the drivers on the main board. The printer does not print a particular dot. Check if the tip of the printhead. The resistance should be approximately 63...