Canon LBP6780x Manual page 899

Insert Drawer n ("n" represents a number.)
<Cause> The drawer is not inserted.
Solution Insert the drawer.
Insert toner cartridge.
<Cause> The toner cartridge is not installed or installed improperly.
Install the toner cartridge properly.
Solution
"Toner Cartridge Replacement"
Key management file is corrupt or deleted.
<Cause> The file related to key management is broken.
Perform the following procedure.
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[SSL] is set to [Off].
2. Restart the printer, and then regenerate the key and certificate and specify the settings for SSL
Solution
from the Remote UI.
3. Restart the printer.
Load paper.
<Cause> Paper of the size specified in the application is not loaded in the paper source (in all the
paper sources when [Paper Source] is set to [Auto] and in the specified paper source when the setting
is fixed).
Solution 1 Refill or load paper.
Press [
Solution 2
paper size.
"[Select Feeder] Menu"
Not enough download memory. <Auto Error Skip>
<Cause> The memory for registering overlay forms and custom characters ran out and overflowed.
Press [
Solution 1
Perform the following procedure.
1. Perform a soft reset.
Solution 2
2. After the soft reset, either perform a hard reset or turn the printer back ON, increase memory
capacity and print again. (All data in the memory will be erased.)
Not enough memory for PDF processing.
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"Security Settings"
] ( : Feeder Selection), and then select other paper source for the same paper size or larger
] ( : Online) to continue printing. However, the overflowed data cannot be registered.
"Canceling the Process Currently Being Performed (Soft Reset)"
"Canceling All the Jobs (Hard Reset)"
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