Canon LBP7780CX User Manual page 915

Ennn-nnnn ("n" represents a number.)
<Cause> A problem is occurring inside the printer.
Solution Solve the problem following the instructions in
E001-nnnn ("n" represents a number.)
<Cause> A problem is occurring with the fixing unit of the printer.
Follow the procedure in "If a Fixing Unit Error Is Displayed" in
Solution
contact your local authorized Canon dealer.
E003-nnnn ("n" represents a number.)
<Cause> A problem is occurring with the fixing unit of the printer.
Follow the procedure in "If a Fixing Unit Error Is Displayed" in
Solution
contact your local authorized Canon dealer.
E004-nnnn ("n" represents a number.)
<Cause> A problem is occurring with the fixing unit of the printer.
Follow the procedure in "If a Fixing Unit Error Is Displayed" in
Solution
contact your local authorized Canon dealer.
18 Drawer 2 overload.
<Cause> The amount of the paper loaded in Drawer 2 exceeds the load limitation.
Reduce the amount of the paper in Drawer 2.
Solution
"Paper Loading and Output"
1F Output tray is full.
<Cause> The output tray is filled to the limit.
Solution Remove the paper in the output tray.
80 Do not turn the main power OFF.
<Cause> A MEAP application is running.
When the running of the MEAP application stops, the message disappears automatically. Wait until the
Solution
message disappears.
BT Clock error.
<Cause> The clock in this printer has a problem.
Though printing is possible as is, logs such as the job histories cannot be recorded correctly. Contact your
Solution
local authorized Canon dealer.
"If a Service Error Is Displayed."
"The Message Indicator Is
"The Message Indicator Is
"The Message Indicator Is
On", and then
On", and then
On", and then