judgment
Yes
No
Yes
No
Yes
Yes
No
Yes
No
Yes
Yes
Cause
RFID Reader I/
F Error
Engine Program
Memory Error
The printer
engine cover is
open.
After turning ON
the power or when
cover is closed, the
sensor detects that
the unit is missing.
This indicates that
the motor has
overheated and
that the printer is
temporarily
unusable.
When media is
missing, the
sensor output
value is outside
the standard
value. (Only for
Factory Mode)
Sensor Output
Difference Value
Outside Standard
(Only for Factory
Mode)
Media Detection
Value Outside
Standard
U-Heavy Mode
Media Detection
Value Outside
Standard
Error Description and Analysis
An interface error was detected
with the RFID reader device.
01: communication error between
the RFID reader and the engine
PCB.
02: the transceiver circuit error of
the RFID reader.
03: communication error between
the RFID reader and the Tag chip.
04: the RFID Tag detection error
(more than 4 chips).
240: Flash-memory hardware error
241: Duplex flash-memory error
242: Optional tray-2 flash-memory
error
243: Optional tray-3 flash-memory
error
244: Optional tray-4 flash-memory
error
245: Optional tray-5 flash-memory
error
247: Sub-CPU flash-memory error
248: Inverter flash-memory
error
1) Check to see if the top cover
is open.
2) Check to see if the cover
switch is normal.
1) Is an Error message displayed?
2) Is the fuser unit mounted
properly?
3) Does the Error take place
again?
1) Has any abnormal substance
get mixed in with the sensor?
2) Can the paper thickness
detection be reset and
restored by opening/closing
the tray?
3) Is operation restored by
turning OFF/ON the power?
1) Has any abnormal substance
get mixed in with the sensor?
2) Can the paper thickness
detection be reset and
restored by opening/closing
the tray?
3) Is operation restored by
turning OFF/ON the power?
1) Is there any abnormal media
mixed in?
2) Has the media been fed as
overlapped sheets?
Is there any abnormal media
mixed in?
Remedy
01: Same action as for error 230
02: Replace the RFID R/W
board.
03: Check the connection of the
antenna cable.
04: Check to confirm that the
number of RFID tags is
correct.
If the error still occurs after
rebooting, replace the circuit
board of the relevant unit.
Close top cover
Replace the cover switch.
Check how the fuser is
mounted.
Re-mount the fuser, then turn
ON the power again.
Replace the Fuser Unit Assy
Wait a while then turn ON
power again.
Remove obstruction/impurity.
Normal
Remove obstruction/impurity.
Normal
Remove the abnormal media.
Remove the abnormal media.
Display
Service Call
231: Error
Service Call
240: Error
to
245: Error
247: Error
248: Error
Close the Cover
310: Top Cover
Open
Reset fuser
320: Fuser
Error
Turn OFF the
power and
wait for
awhile.
321: MOTOR
OVERHEAT
Open Cover
323: Paper
Thickness
Error
Open Cover
324: Paper
Thickness
Error
Open Cover
325: Paper
Thickness
Error
Open Cover
326: Paper
Thickness
Error
600
✓
✓
✓
✓
✓
✓
✓
✓
✓
1200
✓
✓
✓
✓
✓
✓
✓
✓
✓
Table 7-1-1 Operator Alarm (6/10)
Troubleshooting Guide Page 28
