Epson FX 890 - B/W Dot-matrix Printer User Manual

FX-1180/FX-880 Service Manual
Chapter 3 Troubleshooting
Rev. B
3-
5
1. Printer fails to operate when power is on.
START
Use the correct AC input voltage.
No fluctuation from AC voltage range is
permitted.
NO
YES
Are the fuses F1 on
C229PSB/PSE/PSH blown?
Replace the fuse.
Is the new fuse also blown when
power is turned on again?
Measure the +35V line at pin 7
or 8 of CN2 on
C229PSB/PSE/PSH.
Is output voltage
normal?
Replace the C229
PSB/PSE/PSH.
Measure the +5V line at pin 3 or 4
of CN2 on C229PSB/PSE/PSH.
Is output voltage
normal?
Replace the C229
PSB/PSE/PSH.
Verify each motor and printhead solenoid
resistance,referring to Table 3-1 and Table 3-2.
Are the resistances
normal?
Replace the applied
unit.
Replace the C229MAIN.
END
NO
YES
YES
YES
NO
NO
NO
YES
NO
YES
Is AC input
voltage normal?
120V version: 85 - 138V
230V version: 187 - 276V
Universal Version: 85 - 276V
Figure 3-4. Flowchart (1)

Epson FX 890 - B/W Dot-matrix Printer Specifications

General

Brand	Epson
Model	FX 890 - B/W Dot-matrix Printer
Category	Printer
Language	English