10-22
Troubleshooting > Troubleshooting
U
Y
Message Checkpoints Corrective Actions
Reference 
Page
Unknown Toner Installed. 
PC 
Does the installed toner container's 
regional specification match the 
machine's?
Install the specified toner container. page 10-5
USB memory error. Job is 
canceled. 
Is writing to a removable memory 
prohibited?
An error occurred in the removable 
memory. The job stopped. Press the 
[
OK
] key.
The possible error codes and their 
descriptions are as follows.
01: Connect a removable memory 
that can be written to.
—
— An error occurred in the removable 
memory. The job stopped. Press 
[End].
The possible error codes and their 
descriptions are as follows.
01: The amount of data that can be 
saved at once has been exceeded. 
Turn the power OFF/ON. If the error 
still occurs, the removable memory 
is not compatible with the machine. 
Use the removable memory 
formatted by this machine. If the 
removable memory cannot be 
formatted, it is damaged. Connect a 
compatible removable memory.
—
Message Checkpoints Corrective Actions
Reference 
Page
You cannot use this box.
Job is canceled. 
— You cannot use the specified box. 
Job is canceled. Press the [
OK
] key.
—