8-43
TROUBLESHOOTING
Contents
PROBLEMS RELATED TO PERIPHERAL DEVICES
Printing takes place 
on the wrong side of 
the paper.
Is the paper loaded with the print side 
facing in the correct direction?
• Trays 1 to 4:
Load the paper with the front side facing up*.
• Bypass tray and tray 5:
Load the paper with the front side facing down*.
* When the paper type is "Pre-Printed" or "Letter Head", 
load the paper in the opposite way. (Except when 
"Disabling of Duplex" is enabled in the system settings 
(administrator). For the current setting, check with your 
administrator.)
A cover or insert is not 
printed on the 
specified paper.
Has the paper type been set correctly? If the paper type set for the cover or insert is not the 
same as the paper type set for the tray, paper will be fed 
from a different tray. Set the correct paper type for the 
tray that contains the paper specified for the cover or 
insert.
➞ System Settings > "Paper Tray Settings" > "Tray 
Settings"
Problem Point to check Solution
The connected USB 
device cannot be 
used.
Is the USB device compatible with the 
machine?
Ask your dealer if the device is compatible with the 
machine.
Is the connected USB device 
recognized correctly?
Use "USB-Device Check" in the system settings to 
check whether or not the device can be recognized.
➞ System Settings > "USB-Device Check"
If it is not recognized, connect it once again.
The connected USB 
memory cannot be 
used.
Is the format of the USB memory 
FAT32?
If the format of the USB memory is other than FAT32,  
use your computer to change the format to FAT32.
Are you using a USB memory with a 
capacity of more than 32 GB?
Use a 32 GB or less USB memory.
The finisher / saddle 
stitch finisher does 
not operate.
Does a message appear indicating that 
you need to remove paper from the 
stapler compiler?
Remove all remaining paper from the stapler compiler.
Does the following message appear in 
the touch panel?
"Call for service. Code:xx-xx* Please 
check the power of the finisher."
*Letters and numbers appear in xx-xx.
Check the finisher / saddle stitch finisher and the power 
plug. Remove and then firmly reinsert the power plug, 
and restart the machine.
Have functions been disabled by the 
administrator?
Some functions may have been disabled in the system 
settings (administrator). Check with your administrator.
Stapling does not take 
place (including 
pamphlet stapling).
Does a message appear instructing you 
to check the staple unit?
Remove jammed staples.
☞ "REMOVING STAPLE JAMS" (page 8-7)
Problem Point to check Solution