WorkCentre Pro 423/428 2-50 CHAPTER 2 TROUBLESHOOTING
03/02 2.3 Level 2 Troubleshooting
X Code
Internal
Code
Error Description Corrective Action
X2-03 0512 Fall back error. Retry. Check the remote terminal/
line. Replace MAIN (Modem).
X2-04 0513 Post Message re-send over Retry. Check the remote terminal/
line. Replace MAIN (Modem).
X2-05 0223 At G3 transmission, RTN was
received.
Check the remote terminal/line.
Speed down.
X2-05 0514 RTN / PIN receive Retry. Check the line. Replace
MAIN (Modem).
X2-06 0533
Operator no interruption (for RX
/Voice reserve)
Retry. Check the remote
terminal/line.
X2-10 0515 T2 time out Retry. Check the line. Replace
MAIN (Modem).
X2-11 0516 T1 time out at receive
Retry. Check the line. Replace
MAIN (Modem).
X2-12 0224 At G3 receive, RTN was
transmitted.
Check the remote terminal/line.
Speed down.
X2-12 0517 RTN / PIN transmission
Retry. Check the remote
terminal/line. Replace MAIN
(Modem).
X2-13 0518 T5 time out
Retry. Check the remote
terminal/line. Replace MAIN
(Modem).
X2-14 051E
T1 timeout on the transmission
side in Super G3 (V.34)
communication
Retry. Check the remote
terminal/line. Replace MAIN
(Modem).
X2-20 05E1
The correct line couldn’t be
detected within 1 min. after start
of receiving G3 pixels.
Check/replace M/F MAIN PWB.
Retry.
X2-21 05E2
In G3 pixels receive, when
receiving 148mm, a more than
50%-decode error occurred.
Check/replace M/F MAIN PWB.
Retry.
X2-22 05E3
During receiving G3 pixels,
(Default) EOL couldn’t be
detected for 13sec.
Check/replace M/F MAIN PWB.
Retry.
X2-23 051C Carrier disconnected
Retry. Check the remote terminal/
line. Replace MAIN (Modem).
X Code
Internal
Code
Error Description Corrective Action
X2-33 02C0 In Remove Maintenance, an
illegal command was received
from the remote terminal.
Check the remote terminal/line.
X2-34 02C4 Remote Maintenance request
was received from the remote
terminal, but this function was
unavailable.
System data check. Check the
remote terminal (HOST)/line.
X2-35 02C5
Slave replied in NACK in
response to Self Diag request.
Check the remote terminal.
X2-35 02C6 Slave replied in NACK in
response to Memory Write
request.
Check the remote terminal.
X2-35 02C7 Slave replied in NACK in
response to Memory Read
request.
Check the remote terminal.
X2-35 02C8 Slave replied in NACK in
response to Data Loop back
request.
Check the remote terminal.
X2-35 02C9 Slave replied in NACK in
response to Report request.
Check the remote terminal.
X2-35 02CA
Slave replied in NACK in
response to Result Notification
request.
Check the remote terminal.
X2-35 02CB
Slave replied in NACK in
response to Clear request.
Check the remote terminal.
X2-35 02CC Slave replied in NACK in
response to Reset request.
Check the remote terminal.
X2-40 051A
Sent CNG after transferring to
protocol phase with fast protocol
2 calling->Time out.
Communication error. Tray
operation again.
X2-41 051B
Phase B flow control timer time
out when receiving fast protocol
2.
Tray operation again. Check the
remote terminal/line. Replace MA
IN (Modem).
X2-47 0539
Sending terminal did not release
busy state in defined time while
sending fast protocol 2.
Tray operation again. Check the
remote terminal/line.