Codes
Code LED Explanation
U1 Red Check the imaging guides
U2 Red Ink cartridge missing
U3 Red Increase document length setting
U4 Future use
U5 Red Timeout: USB disconnected
while scanner was running, etc.
U6 Red Scanner cover open
U7 Red • Too much paper is in the input
elevator
• The feed module is not inserted
properly
U8 Red Multifeed stop
U8 Green flash Multifeed pause
U9 Red Document jam or the paper path
is blocked
E Red flash • Be sure all cables are
connected properly
• Turn power off and then on
again
If problem persists, call Service.
Cleaning Frequency Chart
Procedure
Start of
day
Middle
of Shift
Start of
new
shift
1
Vacuum output tray and
input areas (input
elevator and transport)
x
2
Clean all rollers;
including feed module
xx
3
Run transport cleaning
sheet
xx
4
Clean imaging guides:
basic
xxx
Clean imaging guides:
thorough (see User’s Guide)
xx
Cleaning the transport and rollers
Running a cleaning sheet and cleaning
the imaging guides
For detailed cleaning and replacement procedures see Chapter 5, Maintenance in the User’s Guide.