Technical Brief (Impact Printers)
Page 4
... interface receiving data. L For optional connectivity, most EPSON impact printers. Versatility-Built-in fonts. EPSON impact printers offers these types of the box. Bundled Microsoft Windows® 3.1x, Windows NT 3.51/4.0, Windows 95 and Windows 98 drivers guarantees ease of use right out of built-in ...fonts: LL Bitmap fonts-available on all built-in fonts in 2-point increments, available on EPSON 24-pin impact printers Barcode fonts-available on your computer. Barcode fonts...
... interface receiving data. L For optional connectivity, most EPSON impact printers. Versatility-Built-in fonts. EPSON impact printers offers these types of the box. Bundled Microsoft Windows® 3.1x, Windows NT 3.51/4.0, Windows 95 and Windows 98 drivers guarantees ease of use right out of built-in ...fonts: LL Bitmap fonts-available on all built-in fonts in 2-point increments, available on EPSON 24-pin impact printers Barcode fonts-available on your computer. Barcode fonts...
Product Support Bulletin(s)
Page 3
... preference. Q. A. 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. How do I use the FX-870/1070's built-in IBM printer emulation mode, choose IBM Proprinter (II or XL, for the FX-870/1170 in my software application programs, which printer driver selection should I choose? If a printer driver selection...
... preference. Q. A. 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. How do I use the FX-870/1070's built-in IBM printer emulation mode, choose IBM Proprinter (II or XL, for the FX-870/1170 in my software application programs, which printer driver selection should I choose? If a printer driver selection...
Service Manual
Page 38
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 OPTION l/F ? It consists of the printer. o r ~ r '- ~0 "- The CPU on this board 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. PF MOTOR DRIVER LPAI 476H CPU TM P90C041F...
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 OPTION l/F ? It consists of the printer. o r ~ r '- ~0 "- The CPU on this board 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. PF MOTOR DRIVER LPAI 476H CPU TM P90C041F...
Service Manual
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at room v Replace the BOARD ASSY,, C094 MAIN. problem corrected? 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. 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 coil resistance correct (5 ohms +/- 7 '%. problem corrected?
at room v Replace the BOARD ASSY,, C094 MAIN. problem corrected? 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. 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 coil resistance correct (5 ohms +/- 7 '%. problem corrected?
Service Manual
Page 112
REV.-A Flowchart (4) paper feeding abnormal c" (==) Load the paper correctly. Repair the BOARD ASSY., C094 MAIN. Insert connector CN6 correctly. 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 END * Replace the PF motor.
REV.-A Flowchart (4) paper feeding abnormal c" (==) Load the paper correctly. Repair the BOARD ASSY., C094 MAIN. Insert connector CN6 correctly. 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 END * Replace the PF motor.
Service Manual
Page 123
...board. 5-19 Table 5-6. Replace the printhead. Remove any pin is shorted, also check the drivers on the main board. Repairing the Printer Mechanism (Continued) symptom Cause Checkpoint Solution The carriage The common wires Check the common moves, but... The printhead is defective. Foreign substances are disconnected, or printhead FFC. The MOTOR ASSY., PF is defective. The printer does not print a particular dot. Set the LEVER, G. Paper feeding abnormal. REV.-A Problem Self test printing abnormal. The resistance should be approximately ...
...board. 5-19 Table 5-6. Replace the printhead. Remove any pin is shorted, also check the drivers on the main board. Repairing the Printer Mechanism (Continued) symptom Cause Checkpoint Solution The carriage The common wires Check the common moves, but... The printhead is defective. Foreign substances are disconnected, or printhead FFC. The MOTOR ASSY., PF is defective. The printer does not print a particular dot. Set the LEVER, G. Paper feeding abnormal. REV.-A Problem Self test printing abnormal. The resistance should be approximately ...