Epson ActionLaser 1600 Service Manual page 135

Troubleshooting
Table 5-12. The LCD Displays PAPER JAM during Paper Feeding
Cause
The imaging cartridge
may not be installed.
The paper take-up roller
may be bad.
The image transfer roller
may be bad.
The fusing unit may be
bad.
Cause
The optional SIMM may
be bad.
The standard RAM may
be bad.
Table 5-14. The LCD Displays EEPROM ERROR
Cause
The EEPROM on the C125
MAIN board may be bad.
Table 5-15. The LCD Displays SERVICE REQ. E0003
Cause
The connector for the
thermistor may be
disconnected.
The heater lamp or thermal
fuse in fusing unit may be
bad.
The PWB-A board may be
dead.
The PWB-E board may be
dead.
5-10
Step Checkpoint
1 Is the imaging cartridge
installed?
2 Does paper always jam in
paper take-up roller area?
3 Does paper always jam in the
image transfer roller area?
4 Does paper always jam in the
fusing unit?
Table 5-13. The LCD Displays RAM ERROR
Step Checkpoint
1 Is the operation OK after you
remove the optional SIMM?
2 —
Step Checkpoint
1 —
Step Checkpoint
1 Is the connector for the
thermistor disconnected?
2 Does the heater lamp come
on at power on?
3 Does the heater lamp
remain lit up until an error
occurs?
4 —
Finding
No
Yes
Yes
Yes
Finding
Yes
—
Finding
—
Finding
Yes
No
Yes
—
EPSON ActionLaser 1600 Service Manual
Solution
Install the imaging
cartridge.
Replace the paper
take-up roller.
Replace the image
transfer roller.
Replace it.
Solution
Replace the SIMM.
Replace the Cl 25
MAIN board.
Solution
Replace it.
Solution
Connect it.
Replace the heater
lamp or thermal
fuse in fusing unit.
Replace the
PWB-A board.
Replace the
PWB-E board.