10-6
Troubleshooting 
Responding to Error Messages
If the control panel displays any of these messages, follow the corresponding procedure.
Alphanumeric
Error Message Check Points Corrective Actions
Reference 
Page
Account error.
– Set the accounting settings using 
PRESCRIBE again.
—
Add toner. 
Is the displayed message 
accompanied by a lit 
attention LED?
Replace the toner container.
9-5
Cannot connect to 
Authentication Server.
– Press the 
OK
 key and check the 
following items:
• Registration to Authentication 
Serve
• Password and computer address 
for Authentication Server
• Connection of Network
—
Cannot duplex print 
on this paper.
Did you select a paper size/
media type that cannot be 
duplex printed?
Select the available paper type. 
Press the 
OK
 key to print without 
using Duplex.
3-12
Cannot execute this 
job. Restricted by 
Group Authorization.
– This job is canceled because it is 
restricted by Group Authorization. 
Press the 
OK
 key.
—
Cannot feed paper set 
cassette 1.
Is any of the paper feeders 
or the printer cassette upper 
than the selected one 
properly closed when one or 
more optional feeders are 
installed?
Close the paper feeder properly.
2-47
Check cassette 1.
Does a paper lift error occurr 
in the paper source's 
cassette? 
Pull out the cassette for the paper 
source displayed (either the paper 
cassettes or optional paper feeders) 
and check if the paper is loaded 
correctly.
—
Close Document 
Processor.
Is the document processor 
open?
Close the document processor. —
Is the top cover of the 
document processor open?
Close the top cover of the document 
processor.
—
Close front cover.
Is there any cover which is 
open?
Close the cover indicated on the 
operation panel.
—
Error occurred. 
Turn the power 
switch off and on.
– System error has occurred. Turn the 
power switch off and on.
—