Epson ActionLaser 1300 EPL-3000 Service Manual page 81

Table 5-7. The LCD Displays Fusing Unit Error
Cause
The connector for the
thermistor may be
disconnected.
The C144 MAIN board may
be dead.
The heater lamp or thermal
fuse in fusing unit maybe
bad.
maybe
The PWB-E board
dead.
Table 5-8. The LCD Displays Laser Light Error
Cause
The optical unit may be bad.
The C144 MAIN board may
be bad.
Table 5-9. The LCD Displays Scanner Motor
Cause
The optical unit may be
dead.
The C144 MAIN board
may be dead.
Cause
Connector CN1 on PWB-F
board may be
disconnected.
The fan motor may be
. .
Table 5-11. LCD Displays EEPROM Format Error
Cause
The EEPROM (IC20) on the
bad.
The C144 MAIN board may
be bad.
Rev. A
Checkpoint
Step
Is the connector CN202 on
1 the C144 MAIN board for the
thermistor disconnected?
Does the heater lamp remain
lit up until an error occurs?
Does the heater lamp come
3
on at power on?
4 —
Step Checkpoint
1 —
—
Step Checkpoint
1 —
2 —
Table 5-10. LCD Displays Fan Motor
Step Checkpoint
Is connector CN1 on the
1
2 —
Checkpoint
Step
1 —
2 —
3
—
Troubleshooting
Finding Solution
Connect it.
Replace the C144
MAIN board.
Replace the heater
lamp or thermal
fuse infusing unit.
Replace the
—
Finding Solution
Replace the
—
optical unit.
Replace the C144
—
MAIN board.
Error
Solution
Finding
Replace the optical
—
unit.
Replace the C144
—
MAIN board.
Finding Solution
Connect it.
Yes
—
Replace it.
Solution
Finding
Operate the EEPROM
—
clear.
Replace the
—
the C144 MAIN board.
Replace the C144
—
MAIN board.