Technical Brief (Impact Printers)
Page 4
... 95 and Windows 98 drivers guarantees ease of use right out of their respective owners. EPSON impact printers offers these types 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...save paper and trouble, and precisely line up printing on pre-printed forms. LL L Versatility-Flexible interfacing Most EPSON impact printers offer both standard bidirectional parallel and serial interfaces which help you to add: Interface card 32KB Serial Serial Coax ...
... 95 and Windows 98 drivers guarantees ease of use right out of their respective owners. EPSON impact printers offers these types 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...save paper and trouble, and precisely line up printing on pre-printed forms. LL L Versatility-Flexible interfacing Most EPSON impact printers offer both standard bidirectional parallel and serial interfaces which help you to add: Interface card 32KB Serial Serial Coax ...
Product Support Bulletin(s)
Page 3
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 available from , either the C823051 with a OK buffer or the C823071 with a built-in Centronics compatible parallel interface. 7. If you plan to use the FX-870/1070's built-in IBM printer emulation mode...
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 available from , either the C823051 with a OK buffer or the C823071 with a built-in Centronics compatible parallel interface. 7. If you plan to use the FX-870/1070's built-in IBM printer emulation mode...
Service Manual
Page 38
...C094 MAIN (Main Control Circuit B-d 1-29 q.6.I 4;~- 'OM HEAD DRIVE CN2 for OPTION l/F ? 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 ... 0: n: ~~ 0' CN2 for OPTION IF TRANSISTOR . . o r ~ r '- ~0 "- HEAD DRIVE GATE ARRAY TRANSISTOR E05A66YA c80-column model> Figure 1-12. 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 ...
...C094 MAIN (Main Control Circuit B-d 1-29 q.6.I 4;~- 'OM HEAD DRIVE CN2 for OPTION l/F ? 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 ... 0: n: ~~ 0' CN2 for OPTION IF TRANSISTOR . . o r ~ r '- ~0 "- HEAD DRIVE GATE ARRAY TRANSISTOR E05A66YA c80-column model> Figure 1-12. 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 ...
Service Manual
Page 110
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? 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. coil resistance correct (5 ohms +/- 7 '%.
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? 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. coil resistance correct (5 ohms +/- 7 '%.
Service Manual
Page 112
Repair the BOARD ASSY., C094 MAIN. Insert connector CN6 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 I Refer to Section 5.5, Repairing the Printer Mechanism. 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. 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 I Refer to Section 5.5, Repairing the Printer Mechanism. END * Replace the PF motor. REV.-A Flowchart (4) paper feeding abnormal c" (==) Load the paper correctly.
Service Manual
Page 123
...moves, but does not feed paper properly. in the printhead FFC wires in the t e s t printing is not adjusted properly. The printer does not print a particular dot. Replace the printhead. The platen gap is not are lodged in Chapter 4. Replace the printhead. Check the gears for any pin is ...check the gap between the the printhead and the platen. The printhead is no continuity. Check if the tip of the dot wire is shorted, also check the drivers on the main board. Adjust the gap as described in "Platen Gap Adjustment" in the paper path. Paper feeding abnormal....
...moves, but does not feed paper properly. in the printhead FFC wires in the t e s t printing is not adjusted properly. The printer does not print a particular dot. Replace the printhead. The platen gap is not are lodged in Chapter 4. Replace the printhead. Check the gears for any pin is ...check the gap between the the printhead and the platen. The printhead is no continuity. Check if the tip of the dot wire is shorted, also check the drivers on the main board. Adjust the gap as described in "Platen Gap Adjustment" in the paper path. Paper feeding abnormal....
