Table 5-20. The Lcd Displays Service Req. Eo; Table 5-21. The Lcd Displays Service Req. Coo; Table 5-23. The Lcd Displays Service Req. C1Ooo - Epson ActionLaser 1600 EPL-5600 Service Manual

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Table 5-20. The LCD Displays SERVICE REQ. EO014

Cause
The PWB-A board may M
bad.
MAIN board may
The C125
be bad.

Table 5-21. The LCD Displays SERVICE REQ. COO03

Cause
The C125 MAIN boafd my
be bad.
Table 5-22. The LCD Displays SERVICE
Cause
The C125 MAIN bead may
be bad.

Table 5-23. The LCD Displays SERVICE REQ. C1OOO

cause
The optional SIMM may be
bad.
The C125 MAIN board may
be bad.
Table 5-24. The LCD Displays SERViCE REQ. C111O
Cause
The ROM (IC4) on the C125
MAIN board may be bad.
The C125 MAIN brd my
be bad.
Table 5-25. The
Cause
The ROM (IC5) on the C125
MAIN board may be bad.
The C125 MAIN board may
be bed.
Table 5-26. The LCD Displays SERVICE
Cause
The ROM (IC7) or (IC22) on
the C125 MAIN board may
be bad.
The C125 MAIN hrd my
bad.
be
Rev. A
Step
Checkpoint
,
Step
Checkpoint
Step
Checkpoint
Step
Checkpoint
Is the operation OK after
,
you remove the optionai
SIMM?
step
Checkpoint
,
Is the operation OK after
you replace the ROM?
LCD Displays SERVICE REQ. C1120
Step
Checkpoint
,
you replace the ROM?
Step
Checkpoint
1
you replace the ROM?
Finding
Finding
REQ. COO07
Finding
Finding
Yes
Replace the SIMM.
Replace the C125
MAIN board.
Finding
Replace the ROM
Replace the C125
MAIN board.
Finding
Replace the ROM
OK after
MAIN board.
Replace the C125
MAIN board.
REQ. C1130
Finding
I
Replace the ROM
Replace the C125
MAIN board.
Solution
Replace the
Replace the C125
Replace the C125
MAIN board.
Replace the C125
Solution
5-9

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