Technical Brief (Impact Printers)
Page 4
... NT 3.51/4.0, Windows 95 and Windows 98 drivers guarantees ease of use right out of -form position. Barcode fonts are the property of built-in 2-point increments, available on EPSON 24-pin impact printers Barcode fonts-available on a printer. When the paper is torn off position. ...be automatic or activated by pressing a button on the control panel. Versatility-Built-in fonts that are available on most EPSON impact printers offer EPSON Type B interface slots that allow you save paper and trouble, and precisely line up printing on your computer. Technical Brief...
... NT 3.51/4.0, Windows 95 and Windows 98 drivers guarantees ease of use right out of -form position. Barcode fonts are the property of built-in 2-point increments, available on EPSON 24-pin impact printers Barcode fonts-available on a printer. When the paper is torn off position. ...be automatic or activated by pressing a button on the control panel. Versatility-Built-in fonts that are available on most EPSON impact printers offer EPSON Type B interface slots that allow you save paper and trouble, and precisely line up printing on your computer. Technical Brief...
Product Support Bulletin(s)
Page 3
... optional interface that order of 6 6. The FX-870/1170 printers come standard with serial communications? 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 preference. Q. Q. The recommended printer driver selections for the FX-870/1170 in Centronics compatible parallel interface. 7. A. A. A. The FX-870/1170 printers can operate serial through the use the...
... optional interface that order of 6 6. The FX-870/1170 printers come standard with serial communications? 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 preference. Q. Q. The recommended printer driver selections for the FX-870/1170 in Centronics compatible parallel interface. 7. A. A. A. The FX-870/1170 printers can operate serial through the use the...
Service Manual
Page 38
It consists of the printer. I +7 "MASK I BOARD ASSEMBLY, C094 MAIN (Main Control Circuit Board) REV.-A Basically, the same board layout is used in both the 136-column model and the 80-column model. PF MOTOR DRIVER LPAI 476H CPU TM P90C041F CENTRONICS l/F CR MOTOR o ~~~f~4M ~ ~> E2PROM... of a TMP90C041F 8-bit CPU, an E05A55YA gate array, an E2PROM, a PSRAM, a MASK ROM, motor drivers, and head drive transistors. 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...
It consists of the printer. I +7 "MASK I BOARD ASSEMBLY, C094 MAIN (Main Control Circuit Board) REV.-A Basically, the same board layout is used in both the 136-column model and the 80-column model. PF MOTOR DRIVER LPAI 476H CPU TM P90C041F CENTRONICS l/F CR MOTOR o ~~~f~4M ~ ~> E2PROM... of a TMP90C041F 8-bit CPU, an E05A55YA gate array, an E2PROM, a PSRAM, a MASK ROM, motor drivers, and head drive transistors. 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...
Service Manual
Page 110
problem corrected? coil resistance correct (5 ohms +/- 7 '%. 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. at room v Replace the BOARD ASSY,, C094 MAIN. v Refer to Section 5.5, Repairing the Printer Mechanism. 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 problem corrected?
problem corrected? coil resistance correct (5 ohms +/- 7 '%. 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. at room v Replace the BOARD ASSY,, C094 MAIN. v Refer to Section 5.5, Repairing the Printer Mechanism. 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 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. REV.-A Flowchart (4) paper feeding abnormal c" (==) Load the paper correctly. Insert connector CN6 correctly. END * Replace the PF motor. I Refer to Section 5.5, Repairing the Printer Mechanism.
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. REV.-A Flowchart (4) paper feeding abnormal c" (==) Load the paper correctly. Insert connector CN6 correctly. END * Replace the PF motor. I Refer to Section 5.5, Repairing the Printer Mechanism.
Service Manual
Page 123
... the coil resistance of the printhead. REV.-A Problem Self test printing abnormal. Replace the printhead. Set the LEVER, G. The printer does not print a particular dot. The platen gap is defective. ADJUST to O and check the gap between the the printhead and the platen. The MOTOR ...is not uniform. Adjust the gap as described in "Platen Gap Adjustment" in the t e s t printing is shorted, also check the drivers on the main board. 5-19 in the printhead FFC wires in Chapter 4. executed. defective gear. The resistance should be approximately 63 ohms. Replace...
... the coil resistance of the printhead. REV.-A Problem Self test printing abnormal. Replace the printhead. Set the LEVER, G. The printer does not print a particular dot. The platen gap is defective. ADJUST to O and check the gap between the the printhead and the platen. The MOTOR ...is not uniform. Adjust the gap as described in "Platen Gap Adjustment" in the t e s t printing is shorted, also check the drivers on the main board. 5-19 in the printhead FFC wires in Chapter 4. executed. defective gear. The resistance should be approximately 63 ohms. Replace...