Epson ActionLaser 1600, Service Manual

Page: 132 / 181

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