Troubleshooting
Phaser 6121MFP Multifunction Printer
User Guide
181
No suitable paper
Check duplex setting
2-sided printing is selected, but 
paper with a type or size 
incompatible with 2-sided printing 
has been selected.
Select Letter- or A4-size plain paper, or 
select single-sided printing, then try 
performing the print job again.
No suitable paper
Load (xxx) paper
Paper suitable for printing is not 
loaded in the tray.
Load suitable paper in the paper tray.
Not email address When the destination for the 
scanned data was specified, a fax 
number registered in the address 
book was selected instead of an 
email address.
Directly type in the destination or 
specify an email address registered in 
the printer’s address book.
When sending scanned data to an FTP 
address, only one address can be 
specified. Delete all specified 
destinations, or send the scanned data 
waiting to be sent, then scan again.
Toner not installed
Install (xxx) toner.
The indicated toner cartridge is not 
installed.
Install the indicated toner cartridge.
Not assigned No Speed Dial destination or Group 
Dial destination is registered in the 
address book.
Otherwise, no destination has been 
registered with the specified Speed 
Dial or Group Dial number.
Directly type in the destination address 
for the scan data, or register a Speed 
Dial destination or Group Dial 
destination and then try specifying the 
destination address again.
Output tray full
Remove output paper
The output tray is full of paper. Remove all paper from the output tray.
Over search time Communication with the LDAP 
server has timed out.
Establish a connection with the LDAP 
server again.
Tray 2 empty
Load (xxx) paper
Tray 2 is out of paper. Load paper into Tray 2 (the 500-sheet 
feeder).
Paper size error
Load (xxx) paper
The size of paper being printed on is 
different from the size of paper 
specified in the printer driver.
Press the Start button to cancel the 
caution message.
To print on paper of the size specified in 
the printer driver, load paper of the 
correct size into the specified tray and 
then try performing the print job again.
Connection failed
with host
The connection to the computer 
was interrupted while data was 
being sent in Scan mode from the 
printer.
Check the connection with the computer 
and the scan driver status and then try 
sending the data again.
Process Caution – IDC A process error occurred in the 
printer.
Open and close the printer top.
Process error-(xxx)
Open and close cover
Message Reason Action