Table 5-12. The Lcd Displays Mem Overflow; Table 5-13. The Lcd Displays Service Req. E - Epson EPL-N1200 Service Manual

Troubleshooting

Table 5-12. The LCD Displays Mem Overflow

Cause
The optional SIMM may be
bad.
Standard RAM may be bad.

Table 5-13. The LCD Displays SERVICE REQ. E0003

Cause
The connector for the
thermistor may be
disconnected.
The engine controller board
may be dead.
The heater lamp or thermal
fuse in fusing unit may be
bad.
The power supply board
may be dead.
5-6
Step Checkpoint
Is operation OK after you
1
remove the optional SIMM?
2 —
Step Checkpoint
Is the connector for the
1
thermistor disconnected?
Does the heater lamp
2 remain lit up until an error
occurs?
Does the heater lamp come
3
on at power on?
4 —
EPL-N1200 Service Manual
Finding Solution
Yes Replace the SIMM.
Replace the C205
—
MAIN board.
Finding Solution
Yes Connect it.
Replace the
Yes engine controller
board.
Replace the heater
No lamp or thermal
fuse in fusing unit.
Replace the power
—
supply board.
Rev. A