Figure L-20. Pwb-A Board; Figure L-21. Pwb-E Board - Epson ActionLaser 1600 Service Manual

Troubleshooting
Table 5-3. Symptoms and Reference Tables (cont.)
Symptom
SERVICE REQ. C1190
SERVICE REQ. C1200
or C1210
SERVICE REQ. C1300
SERVICE REQ. C1310
SERVICE REQ. C1320
Other SERVICE REQ.
displayed.
Table 5-4. The Printer Does Not Operate at A11
Cause
Connector CN1 on the
PWB-E board may be
disconnected.
The fuse on the PWB-E
board may be blown.
Connector CN8 on PWB-A
board may be
disconnected.
PWB-E board may be dead
PWB-A board may be dead.
Table 5-5. The Printer Does Not Start RAM Check
Cause
The video controller board
(C125 MAIN board) may
be dead.
The control panel may be 2 —
dead.
5-6
Printer Condition
The LCD displays SERVICE REQ. C1190.
The LCD displays SERVICE REQ. C1200 or C1210.
The LCD displays SERVICE REQ. C1300.
The LCD displays SERVICE REQ. C1310.
The LCD displays SERVICE REQ. C1320.
The LCD displays a different SERVICE REQ. error
code.
Step C h e c k p o i n t
1 Is connector CN1 on the
PWB-E board disconnected?
2 Is fuse blown on the PWB-E
board?
3 Is connector CN8 on the
PWB-A board disconnected?
4 With the power on, is there an
output of +5 VDC between pin
8 (+) and pin 5 (--) for CN8 on
PWB-A board?
—
5
Step C h e c k p o i n t
1 If you change the C125 MAIN
board, does the printer start
the RAM check?
Finding
Yes
Yes
Yes
No
Finding
Yes
EPSON ActionLaser 1600 Service Manual
Reference
Table
5-32
5-33
5-34
5-35
5-36
5-37
Solution
Connect CN1 on
PWB-E board.
Replace the fuse.
Connect CN8 on
PWB-A board.
Replace the
PWB-E board
Replace the
PWB-A board.
Solution
Replace the C125
MAIN board.
Replace the
control panel.