45762101TH Rev.1 
2-26
2. TROUBLESHOOTING PROCEDURES
No.
Category
PJL Status 
Code
Error Warning Description
75 Error - 1 
2 
3 
4 
5
Memory Overflow 
 
 
 
Close
Memory overflow has 
occurred while fax is 
being received.
76
Error
- 1 
2 
3 
4 
5
Telephone 
 
 
 
Please see Help for details.
The screen that specified 
talking by telephone 
is displayed, when the 
handset hooked up.
77 Error - 1 
2 
3 
4 
5
Wireless startup failed.
Please see Help for details.
Wireless startup failed.
Restart the device.If the 
problem is not resolved, 
Check cableconnection 
between CU board and 
Wireless LAN board.
78 Error - 1 
2 
3 
4 
5
Wireless settings are incomplete.
Please see Help for details.
Wireless settings are 
incomplete.
Try making the manual 
settings or automatic 
settings once again.If the 
problem is not resolved, 
initialize the network 
settings, and then try 
making the manual 
settings or automatic 
settings once again.
79 Error - 1 
2 
3 
4 
5
Not connected to wireless access 
point.
Please see Help for details.
Not connected to wireless 
access point.
Check that the wireless 
access point power 
supply is ON. Check 
the wireless access 
point settings, and then 
try making the manual 
settings or automatic 
settings.
80 Error 40427 1 
2 
3
 
4 
5
Firmware Update Error
Please try again.
If network doesn't work, please try 
firmware update over USB.
Indicating that FW remote 
update failed.