Epson FX Series

EPSON PRINTER
2.3 ALARM SOUNDS AT POWER ON
1. The error detect alarm sounds (three identical tones, a pause, and the three identical
tones again).
YES NO
The head driver-transistor short circuit alarm sounds (four
identical tones).
YES NO
The high voltage alarm sounds (four tones, the.first three are
identical and the forth one'is different).
YES NO
Return to the initial checks and continue.
2. On FX286 replace IC9B (Procedure 4.15).
On FX 85 & 185 replace IC98 (Procedure4.15).
On FX80/80 + /100/100 + replace IC98 (Procedure 4.15).
On RX80/80FT+ 7100/100+ replace the main board (Procedure 4.6).
Problem is solved
YES NO
Replace main board (Procedure 4.6).
Return to the initial checks and continue.
2-5
REPAIR ANALYSIS PROCEDURES
Buzzer
MPEL
(MX 80 & 100) (RX 80 8.100)
1 23456789
V
FXMB BOARD FMBD BOARD FXMM BOARD
(FX80/80 +/ 85/100/ (FX80 &100) (FX286)
1001-/185)
d
SI8
CN5
CN4
m
GL
o
CN7
1 2345678
Figure 2-3 Control Board Connections