Epson ActionLaser 1600 Service Manual page 132

Table 5-6. The LCD Displays COVER OPEN
Cause
The interlock switch
terminal connector may be
disconnected.
The interlock switch
position may be incorrect.
The interlock switch may
be dead.
The PWB-E board may be
dead.
Table 5-7. The LCD Displays PAPER OUT
Cause
The paper empty sensor
flag position may be
incorrect.
The paper empty sensor
may be bad.
The PWB-A board may be
dead.
Table 5-8. The LCD Displays ILLEGAL CART
Cause
The installed font cartridge
may be illegal. (Check the
user's guide.)
The cartridge may be bad.
The C125 MAIN board may
be dead.
EPSON ActionLaser 1600 Service Manual
Step C h e c k p o i n t
1 Is interlock switch terminal
connector disconnected?
2 Does the switch turn on
when the case is closed?
3 Does the switch toggle?
(Check with multimeter.)
—
4
Step C h e c k p o i n t
1 Is paper empty sensor flag
position OK?
—
2
3
Step C h e c k p o i n t
1 Can this printer use the
inserted cartridge?
2 Does this printer
recognize another, legal
cartridge?
3 —
Troubleshooting
Finding Solution
Yes Connect the
terminal connector
on the interlock
switch.
No Reseat the
interlock switch
No Replace the
interlock switch.
—
Replace the
PWB-E board.
Finding Solution
No Reseat the paper
empty sensor flag.
—
Replace the paper
empty sensor.
—
Replace.
Finding
Solution
No Replace with a
supported cartridge.
Yes Replace the
cartridge.
—
Replace the C125
MAIN board.
5-7