Service Manual
Page 44
.../PSE/PSH: Power supply board C524PNL: Operation panel board Printer mechanism: Printhead, Carriage, Ribbon mechanism, Platen gap adjustment mechanism, Paper feed mechanism, Release mechanism Housing: Upper case, Lower case, Rear sheet guide, Knob, Printer cover C524MAIN Board The C524MAIN board consists of Transformer, Switching FET,... of 2in1ASIC(CPU), EEPROM, PROM, DRAM, PF Motor Driver IC, CR Motor Driver IC driver elements, and so on . EPSON FX-890/2190 2.1 Overview This printer is divided into several main components for easy removal and repair.
.../PSE/PSH: Power supply board C524PNL: Operation panel board Printer mechanism: Printhead, Carriage, Ribbon mechanism, Platen gap adjustment mechanism, Paper feed mechanism, Release mechanism Housing: Upper case, Lower case, Rear sheet guide, Knob, Printer cover C524MAIN Board The C524MAIN board consists of Transformer, Switching FET,... of 2in1ASIC(CPU), EEPROM, PROM, DRAM, PF Motor Driver IC, CR Motor Driver IC driver elements, and so on . EPSON FX-890/2190 2.1 Overview This printer is divided into several main components for easy removal and repair.
Service Manual
Page 57
... No Replace the defective harness. Paper changeover mechanism 5 ♦Is the paper feeding direction switched when you can be fed by turning the platen knob by hand. Connection of the following sensors are no foreign matters in the following sensors with a new one : 3 • Front PE...feed mechanism With power turned off, check to Step 4 ♦Is the problem solved? Go to Step 5 ♦Is the problem solved? EPSON FX-890/2190 3.2.4 Abnormal paper feeding Table 3-6. Go to see if you operate the release lever? PF Motor 7 Replace the PF Motor with a new...
... No Replace the defective harness. Paper changeover mechanism 5 ♦Is the paper feeding direction switched when you can be fed by turning the platen knob by hand. Connection of the following sensors are no foreign matters in the following sensors with a new one : 3 • Front PE...feed mechanism With power turned off, check to Step 4 ♦Is the problem solved? Go to Step 5 ♦Is the problem solved? EPSON FX-890/2190 3.2.4 Abnormal paper feeding Table 3-6. Go to see if you operate the release lever? PF Motor 7 Replace the PF Motor with a new...