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Epson EPL-9000 Service Manual page 130

Epson terminal printer

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Service manual (161 pages)

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Service Manual

EPL-9000

Table 5-20. The LCD Displays SERVICE REQ. EOO08

Cause

board may

The

be bad.

Table 5-21. The LCD Displays SERVICE REQ. EOO14

Cause

board

be bad.

MAIN board may

be bad.

Table 5-22. The LCD Displays SERVICE REQ.

Cause

The

MAIN board may

be bad.

Table 5-23. The LCD Displays SERVICE REQ.

Cause

35 MAIN board may

The Cl

be bad.

Table 5-24. The LCD Displays SERVICE REQ.

Cause

SIMM

The optional

may be

bad.

MAIN board

be bad.

Table 5-25. The LCD Displays SERVICE REQ.

Cause

ROM

on the

MAIN board may be bad.

The Cl 35 MAIN board

be bad.

Table 5-26. The LCD Displays SERVICE REQ.

Cause

be bad.

Rev.

Step

Checkpoint

—

Step

Checkpoint

,

—

—

Step

Checkpoint

,

—

Checkpoint

Step

—

Step

Checkpoint

operation OK after you

Is

,

remove the optional

SIMM?

—

Step

Checkpoint

Is operation OK after

1

you replace the ROM?

—

Checkpoint

Step

Is operation OK after

you replace the ROM?

—

Troubleshooting

Finding

Solution

Replace the

—

board.

Finding

Solution

Replace the

—

board.

Replace the Cl 35

—

board.

MAIN

Solution

Finding

Replace the

—

MAIN

board.

Finding

Solution

Replace the

—

MAIN board.

Finding

Solution

Replace the optional

Yes

SIMM.

Replace the

—

MAIN board.

CII1O

Finding

Solution

Replace ROM

on the

—

board.

Replace the

—

MAIN board.

Solution

Finding

Replace ROM

on the

'

board.

I

Replace the

—

MAIN board.

MAIN

I

MAIN

5-11

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