3-50 Phaser 6121MFP Service Manual
Error Messages and Codes
Other Error/Warning Messages
These are errors that require customers to do some corrective action. Some require 
user intervention to continue printing. 
Error code: 00FE
Definition: Memory full for transmission.
Solution: 
1. Split the document into several copies, and send them individually.
2. Print out the receiving data which was stored in the fax memory or delete the 
unnecessary data.
3. Reboot the machine.
4. Execute MEMORY CLEAR.
Error code: 00FF
Definition: Redial failed.
Solution: 
1. Check whether the dialing number is correct or not.
2. Check whether the telephone line is connected correctly or not.
3. Faxing by Manual TX.
4. Check that the machine setting matches the switchboard.
5. Adjust the SOFT SW07[8] to “0”, disable the dial tone detect before dial.
6. Adjust the SOFT SW21[1-2] to “11”, increase T1 time.
7. Adjust the SOFT SW15[6-8] to “000” or “001” or “010” or “101”, to match the 
switchboard environment.
Message Description
Toner not installed
Install CMYK toner
The indicated toner cartridge(s) is missing.
Toner empty
Replace CMYK toner
The indicated toner cartridge(s) is empty.
Ton e r l ife en d
Replace CMYK toner
The indicated toner cartridge(s) is at end of life and 
should be replaced.
Invalid Toner
Replace with correct
toner and press OK
Indicates a non Xerox toner cartridge is installed.
Imaging Unit life at
end of life. Replace
Imaging Unit
The Imaging Unit is at end of life.
Memory file full
(Press any key)
Memory is full. Clear/print saved fax jobs.