Error and Status Messages on the Screen
293
9
Connection Fail The line could not be connect-
ed correctly.
• Confirm that the telephone 
line is properly connected 
to the machine.
• Disconnect the telephone 
line from the machine, and 
connect a standard tele-
phone in its place. Confirm 
that you can make calls us-
ing the telephone. If you 
cannot make calls this 
way, contact your tele-
phone company.
C toner Independent-supply  A non-supported print car-
tridge is installed.
Remove and replace it with a 
print cartridge specified by an 
authorized dealer.
Cover Open A cover is open. Close the cover completely.
Dial Fail The fax could not be sent. • Confirm that the fax num-
ber you dialed is correct.
• Confirm that the destina-
tion is a fax machine.
• Confirm that the line is not 
busy.
• You may need to insert a 
pause between dial digits. 
Press the {Pause/Redial} 
key after, for example, the 
area code.
Density Sensor Require 
Cleaning
The machine failed to adjust 
color registration.
Clean the toner density sen-
sor. See p.311 “Cleaning the 
Toner Density Sensor”.
Dup. Copy Only Supports 
A4/B5/LG/LT/Executive
2-sided copy could not be per-
formed because the tray does 
not contain the valid size pa-
per, which are A4, B5, Letter, 
Legal, or Executive.
• Specify the tray containing 
the A4, B5, Letter, Legal, or 
Executive size paper (oth-
er than the bypass tray) in 
the [Paper Select] setting. 
See p.200 “Copy Settings”.
• Specify the A4, B5, Letter, 
Legal, or Executive size for 
the tray selected for print-
ing copies in the [Paper 
Size] setting. See p.217 
“Machine Settings”.
Dup. Copy Only Supports 
Tray 1/Tray 2
2-sided copy could not be per-
formed because paper is set to 
be fed from the bypass tray.
Specify a setting other than 
[Bypass Tray] for the [Paper Se-
lect] setting. See p.200 “Copy 
Settings” .
Duplex Jam Duplex Misfeed 
Jam
Paper has been jammed in the 
duplex unit.
Remove the jammed paper. 
See p.272 “Removing Printing 
Jams”.
Message Causes Solutions